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1. f H P ee 4 SIBE VIEW 15 142 Motor and Speed Control ELECTRIC MOTOR SPECIFICATIONS FROM MANUFACTURER e Type of enclosure Totally enclosed non vented e Duty rating Continuous 10 oz in at 6100 rpm 85 amperes Intermittent 30 oz in at 5500 rpm 1 75 amperes 5 minutes on 15 minutes off e Output horsepower 06 KW 60 W at 10 oz in 6100 rpm e AC voltage input Normally 115 VAC 60 Hz Single Phase to rectifier Sherline electronic speed control converts any input from 100 VAC to 240 VAC 50 60 Hz e DC voltage 90 VDC to motor 60 Hz e Speed in rpm 6100 rpm continuous e Class of insulation Class A 105 C insulation system e Normal full load current 85 amperes e Starting current 17 amperes instantaneous starting current lt 100 milliamperes This is also stall current in True RMS e Max current at time of changeover from lower speed to higher speed Depends on load e Type of motor 3 00 inch outer diameter sub fractional horsepower brush type permanent magnet motor e Temperature rise at ambient 50 C Less than or equal to 45 C e Motor frame size 3 inches e End use of motor Drive unit for lathe or mill MOTOR TORQUE CURVE Ame KREM as We eles m ss NEJ I sa EEEE 30 4 2 25 Ab 40 A 15 241 10 14 5 DE D DI 00 50 100 150 200 250 300 350 400 450 300 Oz In Torque NOT
2. Taper Turning On most lathes a taper can be cut by offsetting the tailstock On the Sherline lathe it is done by removing the headstock key and turning the headstock to any angle away from dead center To rotate the headstock the alignment key must first be removed Loosen the set screw in the front of the headstock and lift the headstock and motor unit off the locating pin Tap the alignment key out of its slot on the bottom of the headstock and replace the headstock unit on the pin While pressing down on the headstock rotate it to the angle you desire by referring to the angle scale on the bed The base is calibrated in 5 increments up to 45 both left and right of dead center When set to the proper angle retighten the set screw against the pin to lock the headstock into position The compound slide P N 1080 is another tool that makes taper tuning easy See Figure 6 Pages 11 12 in Sherline s Tools and Accessories Catalog for a photo FIGURE 9 Turning a taper with the Headstock rotated Short work can be inserted in a 3 or 4 jaw chuck and turned as shown in Figure 9 If the headstock is angled towards the lathe front the taper will cut smaller at the right Tapers can also be bored in work held in the 3 or 4 jaw chuck To machine a taper in longer stock center drill both ends of the bar set the headstock angle and mount the part between centers See Fig 10 FIGURE 10 Long shallow tapers can be cut in a continuous
3. Motor pindle speed range Lathe Specifications 4000 4100 3 50 90 mm 1 75 45 mm 8 00 200 mm 405 10 mm 3 4 16 T P I 1 Morse 4 25 110 mm 0 Morse 0 to 45 by 5 001 01 mm 24 610 mm 7 5 190 mm 6 150 mm 24 Ib 10 9 kg 90 volt DC with electronic speed control that accepts any incoming current from 100VAC to 240 VAC 50 Hz or 60 Hz Click here for motor specifications 70 2800 RPM continuously variable by electronic speed control 4400 4410 3 50 90 mm 1 75 45 mm 17 00 430 mm 405 10 mm 3 4 16 T P I 1 Morse 4 25 110 mm 0 to 45 by 5 001 01 mm 32 25 820 mm 8 75 220 mm 8 200 mm 30 Ib 13 6 kg SHERLINE PRODUCTS INCORPORATED 1974 SHERLINE Lathe Operating Instructions Reprinted from the Sherline Assembly and Instruction Guide Fourth Edition 1997 CAUTION Read all operating instructions carefully before attempting any machining operations Review Safety Rules for Power Tools before beginning Lathe Operating Instructions HEALISTUGK CENTER SPEEO CONTROL Ver AL STOCK SANCLE FIHOLE LOCHINE SCREW DO MOTOR TOOLPOST CROSSUBE TAILSTOCK TAILSTOCK HANDAVHEEL HEADSTOCK SPINQLE ORME TALS TOG PULLEY LOS SCREW w BELT SUTTING Tal LEAC GGREW HEADSTOCK CROSSLIOE Basg HANDAHEEL LOCKING SCREW HAND NHEEL BIE FIGURE 1 Parts of a Sherline lathe Not
4. 1 4 dia 0 312 to 0 313 0 314 to 0 315 275 40 HISTORICAL NOTE You might find it interesting to note that a problem similar to the one mentioned above is probably why Morse tapers are not perfectly consistent to this day A Morse taper is listed as about 5 8 per foot Standard fixtures were probably made years ago and machines and tools over the years were made to match these fixtures Modern measurement techniques were able to establish that these fixtures were not all perfectly consistent in angle Changing the angle however would make it impossible for new parts to fit the old machines Therefore today we have Morse tapers that each vary slightly from a taper of 5 8 6250 per foot The actual tapers for each number Morse taper are as follows MORSE TAPER TAPER TAPER PER FT PER IN 0 62460 05205 1 59858 04988 2 59941 04995 3 60235 05019 4 62326 05193 3 63151 05262 6 62565 05213 o 62400 05200 Sherline Lathe Dimensions The drawing below shows the key dimensions on a Sherline Model 4000 lathe It is provided to help those who wish to make special equipment to fit to your lathe If you wish to download a higher quality version of the drawing it is also available as a pdf file 3014 TOP VIEW
5. 9 Machines mounted to a base board for stability Mounting the lathe to a board is necessary because of the narrow base This keeps the machine from tipping We recommend mounting the lathe on a piece of pre finished shelf material which should be available from your local hardware store See below for sizes The machine can be secured to the board using four 10 32 screws with washers and nuts Lengths should be 1 1 2 for short bed lathes and 1 7 8 for long bed lathes Rubber feet should be attached at each corner on the bottom of the mounting boards They are also readily available in hardware stores This arrangement gives the machines a stable platform for operation yet still allows for easy storage The rubber feet help minimize the noise and vibration from the motor Mounting the tool directly to the workbench can cause vibration of the bench itself which acts as a speaker and actually amplifies the motor noise Bench mounting also eliminates one of the best features of Sherline machines the ability to easily be put away for storage 117 Bea EM re 5000 Ter 5400 4000 4100 Lathe 10 x24 4400 4410 Lathe W x 36 FIGURE 10 Plans for mounting board hole patterns Confirm actual dimensions from your lathe or mill before drilling The newly added model 2000 multi direction mill can be mounted to a board 12 x 18 in a similar fashion The mill may be mounted in a similar manner on a 10 x 12 to 12 x 24 pre finish
6. ALWAYS USE CUTTING OIL WHEN USING THE CUTOFF TOOL The cut will be made much smoother easier and cooler The turning speed for parting should be about one half the normal turning speed and feed rate should be a little heavy so the chip will not break up in the slot If speed and feed are correct there will not be any chatter and the chip will come out as if it were being unrolled Cutting oil plays a major roll in this occurring properly If the tool chatters first check to see if the work is being held properly Then decrease speed RPM or increase feed rate or both Once the blade has chattered it leaves a serrated finish that causes more chatter Sometimes a serrated finish can be eliminated by stopping the spindle adding a liberal amount of cutting oil bringing the blade up so there is a slight pressure on it without the spindle turning and then turning by hand or as slowly as possible with the speed control Very small work may be completely cut off when held in a chuck and allowed to fall onto the crosslide It is too small and light to cause any damage Hollow articles such as rings may be caught on a piece of wire whose end is held in a suitable position Side Tools While these may be and often are used as general purpose turning tools their specific use is for facing the sides of collars and shoulders that is finishing these to correct dimension and with a smooth flat surface They are also for facing work held on a face
7. The motor is thermally protected so if it is overloaded it will simply shut down until it cools See section on thermal protection CAUTION Read all operating instructions and safety rules carefully before attempting any machining operations Customer s responsibilities Always use care when operating the lathe and mill Follow safety rules for power tools Turn off motor before attempting adjustments or maintenance Do not simply turn the speed control down to zero RPM but leave the motor switch on Be sure the work piece is firmly supported on the lathe or mill Accessories should be mounted and operated following instructions carefully Keep your machine clean lubricated and adjusted as instructed Do not leave cleaning rags tools or other materials on the lathe bed or around moving parts of the machine Learning more about machining Many fine books have been written on machining techniques and are available at your local library or book store Although these books will be referring to machines many times larger than Sherline s tools the principle remains the same For the best reference that is specific to Sherline tools see Joe Martin s book Tabletop Machining Lubrication e MACHINE SLIDES Use a light oil such as sewing machine oil on all points where there is sliding contact This should be done immediately after each cleanup We grease the slides at the factory to ensure the lubrication stays in place during shipping but l
8. be found here on our World Wide Web site FIGURE 21 The Sherline knurling tool holder Knurling Tool P N 3004 Sherline s knurling system is designed to be used only with the Sherline Lathe The knurling holder mounts directly to the crosslide A good knurl is produced by embossing not by cutting and this creates high tool loads Using two knurls opposing each other equalizes these loads allowing successful knurling on a small machine A number of patterns can be achieved by changing the knurls A 25 thread per inch medium diamond pattern set comes with the tool A number of additional straight and spiral knurls can be ordered Guide to Approximate Kerg Speeds MATERIAL m R OMR EE 1 4 6mm Dia 1 2 13mm Dia 1 25mm Dia Aluminum 400 2800 RPM 2800 RPM 1400 RPM 7075 400 2800RPM 2800RPM TI 1400 RP FIGURE 22 Turning speeds for high speed steel cutting tools TURNING SPEEDS The chart above provides a guide to approximate speeds at which work of differing materials should be rotated Note that the turning speed is inversely proportional to the diameter of the work that is the larger the diameter the slower the turning speed Material often differs in its hardness so these figures may have to be varied The harder the material the slower the turning speed should be Keep in mind that apart from possible production of excessive heat and the fact that excessive speed may damage the
9. cutting edge or cause it to rub instead of cutting turning speeds are not too critical Slower speeds than normal cause no harm except by increasing the time involved Aluminum however usually gives a better finish turned at high speed and lubricated Use of Accessories and Attachments Your lathe can be made more versatile with the addition of suitable attachments and accessories These include various chucks and collets a thread cutting attachment vertical milling column knurling tool a live center and many others Remember that accessories and attachments must be cared for in the same way as the lathe Always make sure that threads are free from metal chips and dirt Chucks should be lightly oiled frequently so that they continue to function smoothly and accurately Gears in the thread cutting attachment should be lightly greased when in operation Some attachments have moving slides and these should be lubricated in the same way as the slides in your lathe Each accessory comes with complete instructions for its use when it is purchased Lathe Exploded View and Parts Diagram Refer to part number list below drawing for description and material LEADSCREW END DETAIL LEADSCREW BODY LEADSCREW BODY ONLY PART NUMBERS CROSSLIDE SCREW 44211 44221 TAILSTOCK SCREW 40221 41221 10 2401 Part Numbers and Descriptions SHERLINE Lathes and Mills KEY TO MATERIALS A Aluminum B Brass C Composite DC Die Cast PART N
10. drill very small holes less than 1 64 or turn a lot of long shafts you are giving up a very useful feature to solve a problem which can usually be handled with a few passes of a good mill file The inaccuracy inherent in any drill chuck is such that perfect machine alignment is meaningless unless you use adjustable tailstock tool holders Use of cutting oils and lubricants Much can be written about the use of lubricants but they may usually be dispensed with where production rates are not very important A small amount of any kind of oil applied with a small brush will be sufficient Aluminum and its alloys may require the use of cutting oils to prevent the chips from welding to the tool s point Do not use oils with a low flash point or a bad smell If desired a mixture of one part soluble oil to six parts water may be used on steel to assist in producing a smoother finish and reduce tool chatter when parting off Brass and cast iron are always turned dry Cutting lubricants should be cleaned off the tools after use Cutting oils can be purchased at an industrial supply store We used to sell cutting oil but dropped it from the line because we received so few orders We assume our customers prefer to purchase their cutting oil from local sources Do not use high sulfur pipe thread cutting oil It is good for hard to machine materials but is so dirty to work with we do not recommend it We also find some of the tap cutting fluids are too smell
11. finish and exact size Cutoff or Parting Tool After completing a part in the lathe it is frequently necessary to separate the part from the excess material used for chucking This operation is best accomplished with the use of a cutoff tool or parting tool as it is sometimes called The Sherline cutoff tool and holder P N 3002 utilizes a very slender high speed tool steel cutting blade mounted in a special tool holder The thinness of the blade 040 enables it to feed into the part quite easily and at the same time minimizes the amount of waste material One word of caution never use a parting tool on a part mounted between centers The part may bind on the cutter and result in a scrapped part or a broken cutting tool FIGURE 15 A parting tool used to separate a part from it s workpiece Always try to lay work out so the cutoff tool is used as close to the spindle as possible Set blade height by sliding the blade in its slot in the tool holder It should be set so the tip is aligned with the centerline of the part being cut An unusual diameter may require a shim under the front or rear of the holder to accomplish this The tool can also be mounted on the back side of the table by using the rear mounting block P N 3016 NOTE A rear mount cutoff tool is now available that allows the parting tool to be left in place on the rear side of the part for quick use The parting tool is held upside down in the holder See P N 3018 NOTE
12. for belt slippage should a tool jam in a part or an accident occur The belt must be a little tighter when used in the low speed range because small diameter pulleys are not as efficient 9 Set mounting plate into top of belt guard housing so it rests on rails molded onto inside surfaces of housing The pressed in nut goes down and to the outside Slide the plate toward the outside toward the spindle pulley until it stops NOTE The mounting plate was designed to be easily removable so it is out of the way when changing the drive belt position 10 Rotate speed control unit into place and insert the single 10 32 x 1 2 socket head screw through hole in speed control housing and into nut in mounting plate Tighten enough to hold in place Do not overtighten Changed from 3 8 long screws 1 5 05 for stronger engagement NOTE Those of you who machine a lot of wood or brass may want to purchase and install a switch cover P N 3015 to keep the fine dust out of the power switch The wood dust can gum up the switch causing intermittent operation Brass dust can short out the switch or cause a risk of electric shock to the operator The advantages of Sherline s DC motor and electronic speed control Sherline s 90 volt DC motor is very smooth and powerful particularly at low RPM The specially designed electronics package also provides some unique advantages in addition to smooth speed control with a usable speed range of 70 to 2800 RPM A speci
13. handwheel so the set screw tightens on a different part of the shaft If you don t it may tend to keep picking up the previous tightening indentation and returning to the same spot Push the handwheel in tightly while holding the mill saddle and retighten the handwheel set screw Movement of the handwheels Turning the appropriate handwheel moves the saddle crosslide and tailstock spindle For the inch version one complete turn of the handwheel gives a movement of 050 For the metric model one complete turn of the handwheel gives a movement of 1mm Handwheels are calibrated in 001 1 1000 for inch models and 01mm 1 100mm for metric models Keep the screws clean oiled and free from chips The handwheels are quite accurate and should be used accordingly Aligning the head and tailstock The versatile feature of Sherline machines that allows the headstock to be removed or rotated for taper turning and angle milling keeps us from being able to lock the headstock in perfect alignment Precision ground alignment keys and accurate adjustment at the factory however make the machines highly accurate In standard form alignment should be within 003 08mm This should be more than acceptable for most jobs you will attempt Only someone new to machining would talk about perfect alignment Machinists speak instead in terms of tolerances because no method of measurement is totally without error We believe the tolerances of your mach
14. increase feed rate so the answer lies in adjusting both speed and feed to achieve the proper cut Proper cutting speed is the rate a particular material can be machined without damaging the cutting edge of the tool that is machining it It is based on the surface speed of the material in relation to the cutter This speed is a function of both the RPM of the spindle as well as the diameter of the part or size of the cutter because as the part diameter or cutter size increases the surface moves a greater distance in a single rotation If you exceed this ideal speed you can damage the cutting tool In the lathe and mill instructions we give some examples of suggested cutting speeds but what I wanted to get across here is that it isn t a slow process A tool can be destroyed in just a few seconds It isn t a case of getting only one hour of use instead of two The cutting edge actually melts If you machine tough materials like stainless steel you will ruin more tools than you care to buy if you don t pay a lot of attention to cutting speeds Charts showing suggested cutting speeds for various materials are included in both the lathe and mill sections that follow FEATURE wing over bed wing over carriage Distance between centers Hole through spindle pindle nose thread pindle nose taper ravel of crosslide ailstock spindle taper rotractor graduations Handwheel graduations ength overall Width overall Height overall hipping weight
15. pass by pivoting the headstock to the proper offset while supporting the other end with the tailstock The work is driven by using a drive dog in the faceplate The dog acts like a universal joint as the drive pin slides in the faceplate slot Tool Shapes and Grinding Your Own Tools The shaping of cutting tools to suitable angles for the type of material and nature of work being performed can be very important to satisfactory work When tools become dull gently re grind and preserve the original angles and shapes Do not grind the top face of the tools but confine sharpening to the end and or sides except form tools which are ground on the top surface Remember that heavy cuts and rapid feed will cause greater strain on the chuck and lathe This may induce spring or binding of work and tools which can produce a poor finish NOTE Because of the importance of a sharp and properly ground tool to the cutting process Sherline has prepared a special instruction sheet on Grinding Your Own Lathe Tools There are a few tips that can make the process a simple one The instructions are included with each lathe and with cutting tool sets when you order them from us or you may call us and request a copy Cost is 5 00 postage paid They are also available from our World Wide Web site by clicking on the highlighted words above NORMAL TURNING TOOLS BORING TOOL LEFT HAND RIGHT HAND SIDE TOOL SIDE TOOL illle 6 14 PIRES aed INS
16. supplied when we first took over production in the USA from the former Australian manufacturer The base and several other parts were cast to match this angle and it was not economically feasible at the time to change it to an easier to manufacture 60 degrees The original 55 degree angle was determined by a reference to Machinery s Handbook Vol 17 as the ideal angle to cut a dovetail When we took over production a fixture was produced in house to duplicate the existing angle which had changed slightly from the original 55 to an actual 55 5 This fixture became the standard and every machine built since the early 1970 s has been measured against this same fixture The older brass beds and the current steel beds as well as the parts that fit them are all ground to this same angle ALLOWABLE TOLERANCES Spindle Runout at spindle nose Maximum allowable 0 0005 Most are within 0002 0003 f with 2800 RPM Pulleys 0 0002 Spindle End Play adjustable with preload nut Factory Settings with 10 000 RPM Pulleys 0 0003 Self Centering 3 jaw and 4 jaw chuck runout 0 003 or less Leadscrew thread pitch accuracy 2 po COLLETS herline WW Collet body diameter mm WW collets by others body diameter WW and 8 mm collet thread HEADSTOCK BEARINGS Designation stock number ZZ refers to double 6004ZZ shielded olerance of bore um Outside Diameter 42 mm 1 6535 olerance of OD o ooo5 O e earings balls
17. the work The depth of cut is set while the tool is clear of the end of the work The starting procedure is to advance the tool until the point just touches the work Note the reading on the crosslide handwheel withdraw the tool slightly and move along until clear of the end of the work Now advance the crosslide to the above reading add desired depth of cut and then feed the tool along the work piece the desired distance Withdraw the tool clear of the work having noted the reading on the crosslide handwheel mentally note the reading on the lead screw handwheel return the tool to starting position and advance to the previous reading plus the desired cut Note Sherline offers optional adjustable zero handwheels which allow you to reset the handwheel to zero a handy feature often found only on expensive full size machine tools The second feed is now commenced ceasing at the same previous reading of the lead screw handwheel This procedure enables turning to accurate length Repeat the procedure until the work has been reduced to within about 010 0 25mm of desired diameter noting that each 015 0 4mm increase in depth of cut will reduce the work diameter by twice this amount that is 030 0 8mm For the finishing pass advance the tool by the required amount and feed along the work just far enough to gauge the finished diameter Adjust depth of cut if necessary and complete the final pass using a SLOW feed to obtain a smooth
18. DC motor Use that motor ONLY with the power source for which it was intended It will not automatically adapt to any other current and using it with an improper power source will burn out the motor or speed control Also the first few DC units built did not include the circuits to adapt to other currents If you have an early DC model remove the plastic speed control housing and look for a label on the aluminum speed control frame If it has a small metallic label on top of the frame that lists input voltage as I20VAC DO NOT ATTEMPT TO CONVERT TO OTHER CURRENTS Models that can be used with any current have a paper label on the end of the speed control frame which lists the model number as KBLC 240DS The machines are normally supplied with a USA type plug but can be easily rewired to accept a European or U K type plug by attaching the wires using the color codes provided below WIRE USA EUROPE 100 240V _ BLACK BROWN COMMON WHITE BLUE GROUND EARTH GREEN GREEN W YELLOW WHITE COMMON RETURN BLACK FVAT i GREEN GROUND EARTH BREYN Z B WALC BLUE COMMON RETURN GREEN WI YELLOW BRAUNE EARTH EUROPEAN TYPE PLUG FIGUREla Wire color codes for USA and European connectors General precautions e DO NOT attempt to operate the lathe or mill without first mounting them to a secure base See page 6 e DO NOT turn on the motor with a 3 jaw chuck mounted if the jaws are not tightened on themselves or o
19. E Electronic circuitry built into the speed control supplies a constant 90 VDC output to the motor regardless of the input current from 1O0VAC to 240VAC 50 or 60 Hz so Sherline machines can be plugged in and used in any country in the world without a transformer as long as you have the correct wall plug converter USE WITH AN INVERTER This motor and speed control can be used with an inverter that produces a sine wave It cannot be used with an inverter that produces a square wave
20. IDE THREADING TOOL THREADING TOOL P N 1200 PARTING TOQL FIGURE 11 Tool Shapes These shapes are available in high speed steel tool set P N 3007 The 60 threading tool is included as part of the carbide tool set P N 3006 and also comes with the thread cutting attachment P N 3100 The parting tool comes with the cutoff tool holder P N 3002 Other shapes are custom ground to accomplish special purposes as needed Cutting tools are ground to various shapes according to their usage Tools are usually ground to shape as needed by the operator Some standard tools are described below Normal Turning Tool This feeds from right to left is used to reduce work to the desired diameter and is the most frequently used of all tools Side Tools These are used to face off the ends of shoulders and may also be used as normal turning tools Note that a tool which is fed from LEFT to RIGHT is called a LEFT side tool Parting The conventional parting tool is shaped like a dovetail when viewed from above and is used to cut off work pieces by feeding the end of the tool across the lathe bed and through the work piece The Sherline parting tool instead uses a thin 040 1mm blade which has a slightly thicker ridge at the top to accomplish the same job of providing clearance for the tool while cutting Parting tools thicker than 040 1mm will be too thick for use on your Sherline lathe Boring Tool Used in the tool post on a l
21. N TOP CONDITION Keep tools sharp and clean for best and safest performance Follow instructions for lubrication and changing accessories DISCONNECT TOOLS Unplug tool before servicing and when changing accessories such as blades bits or cutters AVOID ACCIDENTAL STARTING Make sure switch is OFF before plugging in power cord USE RECOMMENDED ACCESSORIES Consult the owner s manual Use of improper accessories may be hazardous TURN SPINDLE BY HAND BEFORE SWITCHING ON MOTOR This ensures that the workpiece or chuck jaws will not hit the lathe bed saddle or crosslide and also ensures that they clear the cutting tool CHECK THAT ALL HOLDING LOCKING AND DRIVING DEVICES ARE TIGHTENED At the same time be careful not to overtighten these adjustments They should be just tight enough to do the job Overtightening may damage threads or warp parts thereby reducing accuracy and effectiveness 20 It is not recommended that the lathe be used for grinding The fine dust that results from the grinding operation is extremely hard on bearings and other moving parts of your tool For the same reason if the lathe or any other precision tool is kept near an operating grinder it should be kept covered when not in use 21 DON T LET LONG THIN STOCK PROTRUDE FROM THE BACK OF THE SPINDLE Long thin stock that is unsupported and turned at high RPM can suddenly bend and whip around 22 WEAR YOUR SAFETY GLASSES Foresight is better than NO SIGHT The operatio
22. O 11950 11980 11990 30220 30230 31080 4000 34100 34060 34210 34220 4230 34240 34250 4260 34270 34410 40020 40040 0050 41050 40070 40080 410400 40090 40100 40111 40112 40120 40160 0170 41170 40180 40200 41200 3 3 3 4 4 P Plastic U Urethane S Steel Updated 10 24 01 DESCRIPTION MATERIAL 1 4 HSS cutting tool RH Rocker Tool Post Body Rocker Tool Post Rocker Toggle Switch Retaining Ring Toggle Switch 0 10 32 x 3 8 Flat Pt Set Screw Oversize Handwheel Inch Metric Thrust Bearing Washer Set 2 handwheel Body Handwheel Locking Nut Y Axis Crosslide Collar Inch Metric 6 32 x 7 8 Pan Hd Screw X Z Axis and Leadscrew Collar Inch Metric 2 1 2 Handwheel Body Motor Bracket Drive Belt 1 5 8 Handwheel Y Axis Crosslide Inch Metric Faceplate gt gt a gt o 1 5 8 Handwheel X Axis Leadscrew Inch Metric A Drive Dog Headstock Casing Tailstock Casing Gib style Tailstock Gib 15 Lathe Bed Preload Nut Saddle Nut Inch Metric Tool Post Tailstock Feed Screw complete Inch Metric 0221 41221 40220 41220 40230 40240 40250 40260 40270 41270 40280 40290 40300 40310 40320 40330 40340 40345 40370 40380 40390 40400 40420 40440 40500 40501 40510 40520 40530 40540 40550 40560 40570 40580 40590 40600 40620 40630 40640 Haba WNN Power Cord Europe Tailstock Feed Screw bod
23. PIN HEADSTOCK LOCKING ALIGNMENT KEY LATHE BED LATHE BASE FIGURE 7 Cross section of headstock showing locking screw The screw in the front center of the headstock has a cone point The pivot pin has a tapered slot with a corresponding angle When the screw is tightened its angled face engages the groove and because the pivot pin can not come up it draws the headstock down into position clamping it into place If the pin were rigid it could keep the headstock from pulling down squarely HEADSTOCK ASSEMBLY PIVOT FIH HEADSTOCK LOCKING SCREW FIGURE 8 Headstock and alignment key in position over lathe The headstock is aligned with the lathe bed or column saddle with a precision ground key that fits into keyways in both parts It is not square in cross section so it will fit in only one direction Push the headstock firmly against it as you tighten the hold down screw The mill headstock has two keyways milled into it so it can be mounted in conventional fashion or at a 90 angle for horizontal milling CAUTION Always make sure the key slot and mating surfaces are free from dirt and chips before locking down the headstock Removing the headstock alignment key allows the headstock to be mounted in positions other than square This allows you to mill parts at an angle or turn tapers on the lathe When using the lathe or mill without the alignment key keep cutting loads light Mounting the mill and lathe to a board FIGURE
24. ace FIGURE 11 The two pulley positions Position A is the conventional setting position B offers more torque at low RPM Seen from pulley end of headstock To change the pulley position remove the speed control hold down screw and pivot the speed control housing up out of the way Remove the mounting plate from its position on the rails of the two halves of the belt guard housing Loosen the two nuts that hold the motor to the motor mounting bracket and take the tension off the belt With your finger push the belt off the larger groove of the pulley and into the smaller one Depending on which way you are changing it this could be either the motor or spindle pulley Then move the belt to the larger diameter groove on the other pulley and rotate the headstock by hand to get it to seat Push the motor outward on the motor mounting bracket to put the proper tension on the belt and retighten the two motor mounting screws Now you can replace the mounting plate pivot the speed control back down and refasten it Moving the belt back to the other position is simply a reverse of the above procedure Preload adjustment SPINDLE ADJUSTMENT If any end play develops in the main spindle it can be easily eliminated by readjusting the preload nut See part number 4016 in the exploded view When the headstocks are assembled at the factory the preload nut is adjusted to 0002 005mm of end play This is controlled by the outer races of the bearin
25. al circuit compensates for load helping to keep RPM constant The machines can also be used on any current world wide from 100 VAC to 240 VAC 50 or 60 Hz without any further adjustment other than seeing that the proper wall plug is used The control reads the incoming current and automatically adjusts to the proper settings We offer the motor and speed control along with the headstock and spindle as a package to builders of special machinery at a very reasonable price They are especially popular for custom tooling in small industrial applications because of the large number of Sherline accessories that fit the spindle We use them in our own production facility for a number of operations Motor is thermally protected Thermal protection means there is a built in circuit breaker that will shut down the motor if it gets too hot This keeps the motor from burning out The breaker will automatically reset as soon as the motor cools and you can go back to cutting but you should be aware of how it works and what to do if the machine suddenly shuts itself down If your motor is shutting down from overheating on a regular basis it means you are taking too heavy a cut or operating at too high an RPM for long periods Slow your speed down reduce your cut or feed rate and you should have no further problems Due to the nature of miniature machining overloading the machine is a common problem It is often tempting to try to speed up the process by workin
26. athe or in an offsettable boring head on a mill to enlarge holes in a work piece FIGURE 12 A Boring Tool in use Form Tool A custom contour can be ground into a tool to produce a special shape like a radius in a part The width of the cutting edge must be less than 2 1 2 times the smallest diameter Cutting speed must be slow to prevent chatter FIGURE 13 Form tool and the part it shapes The clearances ground behind the cutting edges indicate the type of material for which the tool may be used and the direction in which it is fed along the work When grinding tool bits correct clearances are essential or rubbing can occur Turning Tools left and right hand Reference to Figure 11 will illustrate the lateral positioning of this tool Note the clearance behind the point between the end of the tool and the work Insufficient clearance will cause the tool to rub and excessive clearance will produce a ridged or wavy finish due to the small length of tool edge in contact with the work This ridging becomes more pronounced with rapid feed To provide a smooth finish the sharp cutting point may be slightly rounded with an oilstone taking care to preserve the side clearance underneath this corner NORMAL TOOL SIDE TOOLS SLIGHTLY ROUNDED 4 CLEARANCE H LEFT RAND RIGHT HARD T20L TOOL NY CLEARANCE FIGURE 14 Arrows show direction of tool feed in all diagrams This tool should not be advanced directly endwise into
27. center drill close to the work and lock in position Turn the tailstock handwheel to bring the center drill forward After the hole is started with the center drill switch to a standard drill bit of the desired size to drill the hole Headstock Drilling The drill chuck comes fitted with a 0 Morse arbor that fits in the tailstock spindle To use it in the headstock you will need to first change to the 1 Morse arbor which is included with your lathe To change arbors put the drill chuck key in its hole to give you better purchase to grip the chuck while using a wrench to remove the 0 arbor and replace it with the larger 1 arbor Put the drill chuck in the headstock Then put the drawbolt with its washer through the spindle hole from the other end of the headstock and tighten the drawbolt DO NOT OVERTIGHTEN To remove loosen the drawbolt a little and give it a light tap with a plastic mallet to break the chuck loose from the taper before completely removing the drawbolt FIGURE 8 Headstock Drilling The drill turns while the work is held stationary The easiest way to center drill the end of a round shaft which has a diameter too large to be put through the spindle is to support it with a steady rest P N 1074 while the end is being drilled If this isn t possible find the center with a centering square prick punch a mark and center drill by hand See accessories page 16 See also our Tools and Accessories Catalog for a photo of the
28. d strictly for packing purposes and will need to be removed so that the column can be installed The Z axis column is mounted to the base with two 1 3 4 long 1 4 20 socket head screws These screws and the hex key tool you will need to tighten them are packaged in the bag with the motor mounting bracket and drive belt It is much easier to mount the column to the base before you mount the motor and speed control to the saddle FIGURE 5 Set the column on the base aligned with the mounting holes and hold it in position while you insert the first screw up from the bottom of the base Hand turn the first screw part way in and then start the second screw This can be done with the machine upright by letting the base hang over the edge of your table or bench just far enough to expose the first hole Using the hex key snug up both screws lightly first and then tighten evenly Assembly of the model 2000 and related model 8 direction mill columns For specific directions on assembly of the various 8 direction columns and upgrades introduced in August 1998 click here The Model 2000 mill and the related upgrades that convert standard mills into 8 direction mills offer the ability to drill holes or do machining operations from an almost infinite number of angles on parts mounted square to the table Check tightness of all bolts Vibration in shipping can cause some bolts or screws to loosen up Before using your new machine check the tightnes
29. e Tailstock locking screw is now relocated to a vertical position on the newer tailstocks This drawing shows an older style tailstock without gib or cutout front face Leveling the Cutting tool Each type of turning work requires the correct tool for the job It is important that the cutting tool is sharp and correctly set up in the tool post The cutting edge of the tool should be exactly level with the center height of the lathe Check this against either the headstock center or tailstock center We also manufacture a simple tool height adjustment gauge P N 3009 which allows you to check tool height at any time by measuring from the table surface NOTE Uppar positon is for tools hald in axtanded too post used with riser blocks HEIGHT GALIGE P M 3009 CROSSLIDE FIGURE 2 Leveling the tool using A the tip of a head or tailstock center or B Sherline s tool height gauge P N 3009 The standard tool post shown comes with 4000 series lathes The 4400 series lathes come with an upgraded rocker tool post that allows the tip of the tool to be adjusted up or down without shimming The standard Sherline tool post is designed to hold common 1 4 square tool bits which have had a few thousandths of an inch 1mm ground off the top edge for sharpening Loosen the hold down bolt and slide the tool post as close to the center as possible The tip of the tool bit may be raised or lowered by sliding a shim underneath it The cutting edg
30. e Cutting Tips Negative Rake tips can be held upside down giving 4 cutting edges Positive Rake tips cut from one side only but cut better When searching for a mirrorlike finish on copper or aluminum a four sided diamond insert P N 7609 and a tool holder P N 7619 are also available Though expensive the four cutting edges of the diamond insert mean you are really getting four tools in one making it a better deal than it may first appear NOTE Never attempt to cut steel with a diamond cutter While inserted tip carbide and diamond cutting tools will improve the performance of the Sherline Lathe they will not correct poor machining technique Rigid setups are a must for tools such as these FIGURE 20 The Sherline W R Smith T Rest T Rest P N 2110 and Gravers Another method of removing metal is with a hand held cutting tool called a graver It is rested on and moved along a repositionable rest called a T Rest It is traditionally associated with clock and watch makers using jeweler s lathes but can be a useful skill to anyone turning small custom parts because of its freehand versatility World renowned watch and clock maker William R Smith designed Sherline s T Rest and with it your Sherline lathe becomes a first class jeweler s lathe Complete instructions on use of the T Rest as well as 3 additional pages by W R Smith on how to make your own high quality gravers are included with purchase of the rest They can also
31. e for boring tools A good starting point for a tool is the P N 7615 right hand holder that uses the P N 7605 insert This is a 55 insert good for turning facing and profiling Also available are 80 inserts which are slightly less versatile but offer longer tool life because of their stronger more square shape These tools should not be used to cut hardened steels or piano wire Materials such as those should be ground to shape not cut Abrasive materials such as glass reinforced plastics can be easily cut with these tools FIGURE 18 3 8 Negative rake insert tool holder P N 7610 Another tool available to Sherline machinists which holds carbide inserts is the 3 8 IC 55 negative rake insert tool holder P N 7610 The indexable carbide insert sits on the tool holder at a 5 negative angle This gives the sides of the cutter clearance even though the insert has square sides By having square sides both top and bottom of the insert can be used as cutting edges giving a total of four cutting edges on each insert Because of its design it cuts like a positive rake cutter which requires less rigidity than a negative rake cutter It gives you the best of both worlds the four cutting edges of a negative rake tool along with the lower stress loading of a positive rake cutter which is appropriate for a lathe of this type CUTTING CUTTING l EDGE K EDGE D Negative Rake Tip Positive Rake Tip FIGURE 19 Negative and Positive Rake Carbid
32. e must be on center or just below center 0 004 or 01mm maximum Ensure that the tool is fixed securely in position by firmly tightening the socket head screws Try not to have the tool cutting edge protruding more than 3 8 10mm from the tool post NOTE Thin metal shim stock can be used for this purpose If you don t have any metal thin enough a single thickness of paper business card stock will usually do the job Do not use more than one thickness as it will compress too much Our optional rocker tool post P N 3057 allows this adjustment to be made without shims It comes standard with the Model 4400 4410 long bed lathe Initial Test Cutting If you have never operated a lathe before we suggest that you make a trial cut on a scrap of material to learn the operation of the machine In a 3 or 4 jaw chuck secure a piece of round aluminum stock approximately 3 4 19mm diameter and 1 1 2 38mm long Secure the presharpened 1 4 square cutting tool supplied with the lathe in the tool post making sure that it is properly positioned Turn the speed control all the way counterclockwise and then turn the motor on Bring the speed up to approximately 1000 RPM about 1 3 speed To establish tool position in relation to the work bring the tool in slowly until it just starts to scribe a line on the work Crank the tool towards the tailstock until it clears the end of the work Advance the tool 010 25mm using the crosslide handwheel 10 di
33. ed shelf board with rubber feet using 10 32 x 1 screws to attach the mill to the board To keep your Sherline tools clean soft plastic dust covers are available The lathe cover is P N 4150 for the Model 4000 4100 and 4500 4530 short bed lathes and P N 4151 for the Model 4400 4410 long bed lathe A mill dust cover is available as P N 5150 Converting machines from inch to metric or vice versa All Sherline tools and accessories are manufactured in your choice of inch or metric calibrations Converting a lathe or mill from one measurement system to the other is possible but it takes more than changing the handwheels The leadscrews nuts and inserts must also be changed A look at the exploded views of the machines on pages 27 and 28 will show which parts need to be purchased Look for parts that have both a metric and inch version in the parts listing Conversion kits with all the necessary parts are available If you are a good mechanic you can do the conversion yourself or you can return your machine to the factory for conversion ADJUSTMENTS Two speed pulley The normal pulley position which is placing the belt on the larger motor pulley and smaller headstock pulley will suffice for most of your machining work Moving the belt to the other position smaller motor pulley larger headstock pulley will provide additional torque at lower RPM It is particularly useful when turning larger diameter parts with the optional riser block in pl
34. ent available without removing the key as its factory placement is quite accurate Take another test cut and remeasure Repeat this procedure until you have achieved the level of perfection you seek Then stand the lathe on end with the alignment key pointing up and put a few drops of LocTite on the joint between key and headstock Capillary action will draw the sealant in and when it hardens the key will be locked in place We prefer this method to pinning the head with 1 8 dowel pins because it offers you the option to change your mind The headstock can be removed by prying with a screwdriver blade in the slot between the bottom of the headstock and the lathe bed to break the LocTite loose should you wish to be able to rotate the headstock again TAILSTOCK To maximize the machine s tailstock alignment first make sure that there are no chips caught in the dovetail of the bed and no chips or dents in the taper of your tailstock center Now put a 6 long piece between centers and take a long light test cut Measurements at either end will tell you if you need to use an adjustable tailstock tool holder in the tailstock to achieve better tailstock alignment We manufacture adjustable tailstock tool holders P N 1202 amp 1203 and an adjustable live center P N 1201 which can help you attain near perfect alignment at the tailstock should your job require it Instructions for their use are included with each item Remember that unless you
35. g being held apart by the headstock case and the inner races being pulled together by the preload nut This setting was determined through experience and like everything in engineering it is a compromise If the machine is only to be run at high speed this setting may be too tight The headstock will run fairly warm to the touch normally but extended periods of high speed operation may bring about excessive temperature If this is your case the preload may be reduced slightly To change the adjustment remove the spindle pulley loosen the set screw in the preload nut and back the preload nut off four degrees of rotation counter clockwise The bearings are lightly pressed into the case so the inner race will not move without a sharp tap with a plastic mallet to the end of the spindle where the pulley is attached If you find your bearings are set too loose you may want to take up on the end play You can check them with an indicator or by spinning the spindle without the motor belt engaged If the spindle spins freely with a chuck or faceplate on it it is too loose for normal work Adjust the preload nut until it turns approximately one and a half revolutions when spun by hand Gib adjustment Gibs tapered synthetic adjustment shims are fitted to the mill headstock saddle and table and to the lathe saddle and crosslide Correct adjustment of the gibs will ensure smooth and steady operation of the slides The gib is effectively a taper
36. g faster Keep in mind this is a small machine and work with patience and precision don t be in a hurry Your parts will come out better and your machine will last much longer if it is not overstressed What to do if the motor shuts down If your thermal protection circuit shuts down the motor while work is in progress immediately shut off the power switch and then back the tool out of the work It should only take 10 seconds or less for the circuit breaker to reset then you can turn the motor on and start the cut again this time putting a little less stress on the motor If you leave the tool engaged in the part and the power on when the circuit breaker kicks back on the motor must start under load This can be very hard on your motor Remember that the circuit breaker turns the speed control off which turns off the motor If power were to be applied to the speed control with the motor disconnected it could damage the speed control Thermal protection is built into your motor to make sure it is not damaged by overloading Use good common sense when operating the motor and it will provide many years of trouble free operation Operation of the motor and electronic speed control The lathe is supplied with an electronic speed control that produces a comprehensive range of speeds suitable for all operations Special circuitry designed into the DC motor speed control automatically compensates for speed changes due to increased load If the sp
37. gh the packaging Some parts are in bags taped to the bottom of cardboard flaps or spacers and you may not notice them when you open the box and remove the major components Lathe crosslide mounting procedure Installation of the crosslide requires no tools First make sure the bottom of the crosslide has a light coat of grease on all the sliding surfaces This will have been applied at the factory just make sure it has not been wiped off and that it is evenly distributed GIB GIB LOCK SADDLE SLIDE SCREW INSERT FIGURE 2 Next see that the gib is in the proper position on the saddle See Figure 2 It is taped into position for shipping Remove the tape holding it in place If the gib has come off position it on the gib lock as shown Set the dovetail of the crosslide over the gib and matching dovetail on the saddle Slide it onto the saddle about 1 4 6 7mm until it stops See Figure 3 FIGURE 3 Look underneath and align the slide screw with the threads on the brass slide screw insert on the side of the saddle See Figure 4 Turn the crosslide handwheel clockwise to engage the threads Continue to crank the handwheel clockwise until the crosslide is in the desired position on the saddle FIGURE 4 Mill column mounting procedure The mill is shipped attached to a piece of plywood to keep it from moving in the box Before you begin remove the screws holding the mill base to the plywood It was installe
38. h the spindle axis Note If chip guard is to be mounted its attachment screw replaces one of these mounting screws It can be mounted at this time or after the headstock is in place See instructions that come with the chip guard 6 Place drive belt over spindle pulley and insert 10 32 x 3 4 socket head screws with 2 washers on each through motor mount slot and into holes in the ends of the motor standoffs These standoff ends should be exposed through locating holes in the outer belt guard NOTE The normal operating position for the drive belt is on the large diameter groove on the motor pulley and the small diameter groove on the spindle pulley Use of the other low RPM position is discussed elsewhere in these instructions See Figure 11 7 Tighten motor mount screws tilt speed control unit out of the way and check the alignment of the drive belt It should be perpendicular to the drive pulleys If it is not loosen the set screw on the motor pulley and adjust it in or out on its shaft until the drive belt is square with the motor 8 Pull desired tension into drive belt by sliding the motor unit out in the bracket slot Tighten mounting screws to hold the motor speed control unit in place NOTE Do not overtension the drive belt Just make sure it has enough tension to drive the spindle pulley without slipping under normal load By not overtightening the belt you will not only extend its life but will also provide a margin of safety
39. have a larger diameter than the ends because the part deflects away from the tool where it has less support You can go crazy trying to machine it straight or you can simply pick up a good flat mill file and file it straight in a few moments Machine tools will never replace the craftsman s touch and machining is a combination of both good tools and good technique You don t become a machinist by buying a machine You should strive from the beginning to make better and more accurate parts than you think you need Work to closer tolerances than the job demands Be on the lookout for ways to make a job easier or better Having a selection of appropriate materials on hand and a good cutoff saw to get them to rough size is a good start Take some time and read through this instruction book before you try machining anything We want you to enjoy the process of creating accurate parts from raw metal Buying a machine didn t make you a machinist but using it along with the skill and knowledge you acquire along the way eventually will With the purchase of SHERLINE equipment you have taken your first step toward many years of machining satisfaction We at SHERLINE thank you for letting us be a part of that Joe Martin President and Owner 10 11 12 13 14 15 16 17 18 19 SAFETY RULES FOR POWER TOOLS KNOW YOUR POWER TOOL Read the owner s manual carefully Learn its application and limitations as well as the specific p
40. ight oil will work fine once you begin using the machine e LEAD SCREW TAILSTOCK SCREW CROSSLIDE SCREW Sewing machine oil should be placed along all threads regularly At the same time check that the threads are free from any metal chips Use an air hose or paint brush to keep them clean e TAILSTOCK SPINDLE Wind out the spindle as far as it will go and lightly oil it with sewing machine oil e HANDWHEEL A few drops of light oil behind the handwheel will reduce friction between the surfaces and make operation easier and smoother e HEADSTOCK BEARINGS These bearings are lubricated at the factory for the lifetime of the machine and should not need further lubrication DO NOT break the seals e MOTOR Sealed ball bearings require no maintenance Initial assembly of a new machine Your new lathe or mill will come packed in a box with some items disassembled for shipping purposes On the lathe you will install the crosslide table onto the saddle On the mill you will install the Z axis column onto the base On both machines you will need to install the motor and speed control The machines are completely assembled and tested for fit at the factory prior to shipping They are then disassembled and packaged so everything should go together easily when you reassemble it The motors are run in for approximately one hour to assure proper function and seating of the brushes Before you call us and say a part is missing please look carefully throu
41. ih Fuzz SHERLINE d L PRODUCTS M INCORPORATED 1974 SHERLINE Lathe and Mill Setup Instructions see ooo AE CAGE AWEK 3 Getting answers to your questions about machining eee ea ana ana nana cwae 3 An introduction to the world of miniature Machining eee eeeeeeeeeeeeeeeceeeeseeeeeneeeeeaes 4 What new machinists like most and least aa i 4 PTS cir E 4 Anticipation of a tool s limitations is the craftsman s strength 1221112112112 4 You don t become a machinist by buying a machtne oe eaa aaa anna cenace 4 SAFETY RULES FOR POWER TOOLS some GAGA GG GG aS 5 leegen 6 General TE 7 Avoid overtightening road CE W la SEA 8 Don toverstress the motor RARE AR acid 8 Customer s TESPOMSI DIMES oai O ai 8 Learning more about machining ca dala DY ee 8 Reie a i eisien pe eOr a EEE E e aO aa S e aS 9 Initial assembly of a new machine asa ORO A AAA A EWA 9 Lathe crosslide mounting Pro Ce dite ege eege ere Seeerei 9 Mill column mounting procedure ad An zk Wd z rara 11 Assembly of the model 2000 and related model 8 direction mill columns 12 Check tightness f all TOUS cce on netasd apa cetenendshatadpacieeniaaeaiaancssieeoacondsenaceteamnsieectaeaeace 12 Mounting the motor and speed control unit to the headstock 2 2 211212 13 The advantages of Sherline s DC motor and electronic speed control 15 Tee ue E 15 What to do if the motor shuts JOW soo EPOKA AAAA 15 Opera
42. indle RPM drops noticeably when cutting you are taking too heavy a cut The speed range of the spindle using the speed control is from 70 to 2800 RPM This is achieved without the inconvenience of changing belt positions or gear ratios as is often the case with other designs A second belt position is offered as an additional feature to provide extra torque at low RPM for larger diameter parts should your job require it To operate the motor turn the speed control knob counter clockwise as far as it will go Then turn the toggle switch to ON and select the speed by turning the speed control knob clockwise Motors are pre tested at the factory Your new motor should run smoothly the first time you use it as it has been run in for about an hour before being shipped to you Despite our secure packaging there have been cases where extremely rough handling by a shipper has damaged the magnets in the motor If the motor does not run when plugged in turn the motor by hand If it does not turn smoothly it may have been damaged in shipment Call Sherline for instructions on making a damage claim with the shipper Do not attempt to repair the motor yourself Mounting the headstock to the lathe or mill You may notice that the post onto which the headstock mounts is a loose fit where it projects from the lathe bed or column saddle This is normal and the diagram below will help you understand how it works HEADSTOCK CASE HEADSTOCK PIVOT
43. ine are close enough for the work for which it was intended however for those searching for maximum accuracy here are some tips for maximizing the accuracy of your machine Loosen the headstock push it back evenly against the alignment key and retighten This will maximize the accuracy of the factory setting To achieve greater accuracy you will have to be willing to sacrifice one of the better features of your lathe or mill that is its ability to turn tapers and mill angles in such a simple manner HEADSTOCK If you choose total accuracy over versatility or need it for a particular job proceed as follows Remove the headstock and clean any oil from the alignment key and slot and from the area of contact between bed and headstock Replace the headstock pushing squarely against the key and retighten Take a light test cut on a piece of 1 2 to 3 4 diameter by 3 long aluminum stock held in a 3 jaw chuck Use a sharp pointed tool to keep cutting loads low so as not to cause any deflection of the part Measure the diameter of both machined ends If there is a difference the headstock is not perfectly square Now without removing the key tap the headstock on the left front side if the part is larger at the outer end Tap on the right side if the part is larger at the headstock end You are trying to rotate the headstock ever so slightly when viewed from the top until the machine cuts as straight as you can measure There should be enough movem
44. ing you have ever attempted What makes machining fun for some is the complexity and challenge The same thing will drive others up the wall One customer may be overjoyed because he can now make parts that were not available for purchase Another may wonder why he just spent all day making a part that is similar to one he could have purchased for two dollars The difference is that it is not the same as the two dollar part it is exactly the part needed There are no shortcuts Machining is a slow process if parts are made one at a time The interesting thing is a skilled machinist may take almost as long to make the same part as a novice Shortcuts usually end in failure Unlike some other trades mistakes cannot be covered up There are no erasers white out or putting on tools for machinists you simply start over To expand a little on an old rule Think three times measure twice and cut once Anticipation of a tool s limitations is the craftsman s strength The skill in machining isn t just moving the dials It is a combination of engineering and craftsmanship A file is just as useful a tool to a good machinist as a multi thousand dollar machine tool Tools deflect or bend under load and anticipating this bend is what it is all about Sharp tools deflect less than dull tools but with each pass the tool dulls a little and the deflection becomes greater If you try to machine a long shaft with a small diameter the center will always
45. n Tools cessccsesseceeseceeseeeeesceeeeneeeesneeeeeeeeees 36 C toft EE POON eege Ore Tie a A e EPPO 40 Side EE 41 Boring E 41 Inserted Tip Carbide Tools ec Eo Gi aa a dotad ky 42 T Rest P N 2110 and Graver srren e iai i EERE E ER E E T 44 Kn rling Tool P N SOO aa OR sho tesa Ra O RAA bO 45 Guide to Approximate Turning Speeds seda A I Od 45 TURNING SPEEDS awa aiw O earl ade ea aaa 45 Use of Accessories and EE 46 Lathe Exploded View and Parts Dagram 46 Part Numbers and Descriptions esta o ak 48 SHERLINE L thes and lte ebe a a a markers 48 Standard Dimensions of Sherline enee e ee 52 Sherline athe Dimensions s RA R OOO A O ET a 55 Motor and Speed Controli E 55 MOTORTORQUE CUR VE zodiak e a EA 56 SHERLINE Lathe and Mill Setup Instructions Getting answers to your questions about machining Over the years we have found that the majority of our customers are both highly intelligent and skilled craftsmen Often they are also new to machining The instructions we have included in this book while far more extensive than anything included with other machine tools even ones costing thousands of dollars still only scratch the surface when it comes to machining We have tried to anticipate the most common problems and questions asked by a new machinist What we have provided in this book and with each accessory when combined with a liberal amount of common sense is more than enough to get you started If you a
46. n a part e Achip guard P N 4360 is now available that offers additional protection from flying chips when working near the spindle It is not a substitute for wearing proper eye protection but is an excellent level of additional protection It will also contain cutting oil to help keep your work area cleaner Avoid overtightening One of the problems with designing and manufacturing metal cutting equipment of this size is that the operator can physically be stronger than the machine which is not normally the case with larger tools For example a 10 pound force applied a couple of inches out on a hex key becomes a 650 pound force at the tip of the screw If you tighten both screws on the tool post this tight it becomes approximately 1300 pounds of force on relatively small parts Tools and or parts can become distorted and accuracy will be lost Overtightening hold down screws and T nuts in their slots can distort the crosslide or mill table It is not necessary to overtighten parts and tools because loads are smaller on equipment of this size Save your equipment and increase accuracy by not overtightening and by taking light cuts Don t overstress the motor It is also important to realize that you can overload the motor supplied with this lathe or mill The many variables involved in machining such as materials being machined size of cutter shape of cutter diameter of stock etc can leave but one rule to follow COMMON SENSE
47. n head screw and slide the locking plate to one side Rotate the anti backlash nut clockwise on the X axis and counterclockwise on the Y axis until snug Replace the locking plate and tighten the pan head screw With the anti backlash nuts properly adjusted the lead screws will turn smoothly and have no more than the proper 003 to 005 of backlash LEACSCREW ANTI SET SCREW BACKLASH NUT ONAN TAA GZW SFe dhada td Aaa SADDLE GE OLDER POINTER TYPE LOCK g z FIGURE 12 Backlash Adjustment NOTE A new lock now uses a star gear rather than the pointer to locate the anti backlash nut and a button head socket screw locks it in place This system is easier to use but the function is essentially the same The hole centers are different which means the star gear cannot be used to replace the pointer on older models Handwheel adjustment The handwheels are secured to their corresponding leadscrew shafts by a small set screw in the side of the handwheel base Check them periodically to make sure they have not been loosened by vibration On the zero adjustable handwheels you must first release the rotating collar by loosening the locking wheel Then rotate the collar until you can see the set screw through the small hole in the side of the collar and adjust the screw as necessary If excessive backlash develops at the handwheel and thrust collar junctions adjust by first loosening the handwheel set screw Index rotate the
48. n of any power tool can result in foreign objects being thrown into the eyes which can result in severe eye damage Always wear safety glasses or eye shields before commencing power tool operation We recommend a Wide Vision Safety Mask for use over spectacles or standard safety glasses Electrical connections The power cord used is equipped with a 3 prong grounding plug which should only be connected to a properly grounded receptacle for your safety Should an electrical failure occur in the motor the grounded plug and receptacle will protect the user from electrical shock If a properly grounded receptacle is not available use a grounding adapter to adapt the 3 prong plug to a properly grounded receptacle by attaching the grounding lead from the adapter to the receptacle cover screw Grounding Type Plug A M mg Ce Properly Groupe Type Outlet Plug Adopter Ground Wire te properly grounded receptacle Oe shown FIGURE I Always use a properly grounded receptacle NOTE The electrical circuits designed into the speed control of your lathe or mill reads incoming current from 100 to 240 volts AC and 50 or 60 Hz and automatically adapts to supply the correct 90 volts DC to the motor As long as you have a properly wired grounded connector cord for your source the machine will operate anywhere in the world without a transformer This has been true for all SHERLINE machines built since 1994 Prior to that we used an AC
49. nd feed the tool slowly into the material Vary speed and feed until you get a substantial chatter Without changing the depth of the cut drop the speed to about 200 RPM and feed the tool into the work with more force The chatter should disappear Once you have learned to control chatter by adjusting speed and feed you will be on your way to becoming a machinist Holding the Workpiece Work can be held between centers in three or four jaw chucks on the faceplate or with a collet Sometimes it is necessary to use a chuck and center and if the work is spinning fast a live center should be used See Figures 3 and 4 FIGURE 4 Holding a square work piece in a 4 jaw chuck Turning Between Centers This is done by fitting the dog to the work that is to be turned and placing the work and dog between the centers in the headstock and tailstock The maximum diameter that can be held with the dog is 5 8 15mm See Figure 5 FIGURE 5 Turning between centers with a faceplate and drive dog The dog is driven by fitting it into one of the faceplate holes This method of turning is ideal for bar work or turning of steps on a bar The tailstock center must be greased to prevent overheating An optional live center such as P N 1191 turning on ball bearings is the solution preferred by most machinists The headstock spindle has a Morse No 1 taper in the spindle nose The spindle thread is 3 4 16 TPI Accessories held in the spi
50. ndle using the Morse No 1 taper can be removed with the use of a knockout rod not supplied approximately 3 8 diameter and 6 long The bar is inserted through the back of the spindle and accessories such as centers can be removed with a few taps The tailstock spindle is equipped with a Morse No 0 taper and accessories such as drill chucks and centers can be removed by turning the handwheel counterclockwise until the accessory is ejected Center Drilling Because the work turns and the drill does not on a lathe it is necessary to use a center drill before a standard drill can be used Due to the flexibility of a standard drill bit it will tend to wander on the surface of the rotating work whereas a center drill is designed to seek the center and begin drilling Cutting oil is recommended for all drilling operations A center drill should be withdrawn cleared of chips and oiled several times during the drilling of a hole to keep the tip from breaking off FIGURE 6 Center drilling The work turns while the drill is stationary See chart of commonly available center drill sizes FIGURE 7 Center drilling a long work piece held in a steady rest Tailstock Drilling Hold the work in a 3 or 4 jaw chuck If the work is longer than approximately 3 76mm support the free end with a steady rest Fit the drill chuck to the tailstock with a No 0 Morse arbor and secure a center drill in the chuck Adjust the tailstock to bring the
51. off DC Speed Control Case P DC Speed Control Hinge Plate oP DC Speed Control Cover Mounting Plate oP DC Speed Control Tab Small P DC Speed Control Tab Large P Belt Guard Outer oP 6 32 x 1 3 8 Pan Hd Screw Belt Guard Inner Ip 2 x 1 4 Flat Hd Sheet Metal Screw DC Speed Control Foil Label Stepped Main Spindle Pulley Stepped Motor Pulley See P N 45450 DC Speed Control Electronics Ke 24 Lathe Base 24 Lathe Bed 24 Leadscrew Inch Metric Slide Screw Inch Metric Slide Screw body only Inch Metric Crosslide A u gt al alala 45010 45160 45450 or 45460 90060 90080 Leadscrew Z Axis Inch Metric Saddle Z Axis Column Saddle Lock P 3 16 Ball Bearing 10 Type B Washer 45450 DC Motor with externally replaceable brushes Leeson 45460 DC Motor with externally replaceable brushes Hill House NOTE We purchase motors from two different manufacturers to keep pricing competitive Specifications on both are the same but replacement motors should be ordered with the same part number as the original Part number is printed on motor DC Speed Control 5K Potentiometer Motor 3 8 32 Hex Nut SHERLINE PRODUCTS INCORPORATED 1974 This double rotary table setup by Bob Breslauer of Ft Lauderdale Florida is an example of the type of special setups Sherline tool owners sometimes develop Standard Dimensions of Sherline Tools If yo
52. otential hazards peculiar to this tool GROUND ALL TOOLS F tool is equipped a with three prong plug it should be plugged into a three hole receptacle If an adapter is used to accommodate a two prong receptacle the adapter wire must be attached to a KNOWN GROUND Never remove third the prong See Figure 1 KEEP GUARDS IN PLACE and in working order REMOVE ADJUSTING KEYS AND WRENCHES Form a habit of checking to see that keys and adjusting wrenches are removed from tool before turning on machine KEEP WORK AREA CLEAN Cluttered areas and benches invite accidents AVOID DANGEROUS ENVIRONMENT Do not use power tools in damp or wet locations Keep work area well illuminated KEEP CHILDREN AWAY AII visitors should be kept a safe distance from the work area MAKE WORKSHOP KID PROOF with padlocks master switches or by removing starter keys DO NOT FORCE TOOL Do not force tool or attachment to do a job for which it was not designed Use the proper tool for the job WEAR PROPER APPAREL Avoid loose clothing neckties gloves or jewelry that could become caught in moving parts Wear protective head gear to keep long hair styles away from moving parts USE SAFETY GLASSES Also use face or dust mask if cutting operation is dusty SECURE WORK Use clamps or a vise to hold work when practicable It is safer than using your hand and frees both hands to operate the tool DO NOT OVERREACH Keep your proper footing and balance at all times MAINTAIN TOOLS I
53. plate or in a chuck The facing of work in this manner is very useful for the production of truly flat surfaces and for producing articles to an exact thickness The two uses of the side tools are illustrated in Figure 11 and 14 The sharp corner at the cutting point should not be slightly rounded as may be done with the normal turning tool as knife tools may be required to produce sharp corners Boring Tool The use of this tool requires the existence of a drilled or cored hole or it may be used to enlarge the bore of a tube The work must be mounted in a chuck or on a faceplate and the boring tool set as shown in Figure 24 Note the clearance behind the cutting point as shown in Figure 16 below CLEARANCE aan a DA Z FIGURE 16 Boring tool clearance A slow rate of feed should be used as the turnings are not able to escape freely from the hole Frequent withdrawal of the tool to allow turnings to escape may be necessary Care should be taken not to feed the tool beyond the depth required or to feed so deeply as to damage the chuck or faceplate Where a hole must be bored right through the work it should be shimmed out from the faceplate to provide clearance for the tool to feed through The lead screw handwheel graduations can be used to indicate the correct depth at which to stop the feed Notice that with boring the depth of cut is increased by moving the tool and crosslide towards the operator and not away as with normal tu
54. pply what you learn here you will be well on your way to making good parts No doubt you will also have many questions specific to your project that simply can t be addressed in a booklet of this type Answers to questions beyond the scope of this booklet will have to come from your own research Book stores and libraries are full of excellent books on machining and the Internet is forming some great user groups that can put you in direct contact with others who share your specific interests Our own World Wide Web site is a great source of information as well as we have published there all the instructions for all our tools and accessories for you to read and print out for free We feel we have written the best book available on miniature machining with Sherline tools It is called Tabletop Machining by Sherline s owner and long time toolmaker Joe Martin We also sell Doug Briney s Home Machinist s Handbook as well as a very informative steam engine project video by Rudy Kouhoupt both of which are packed with knowledge for new machinists For the past 35 years I have found Machinery s Handbook to be the source I turn to for answers to my own questions May your journey toward becoming a skilled machinist be an enjoyable one An introduction to the world of miniature machining What new machinists like most and least If you are new to machining you may find it to be either one of the most rewarding skills one can learn or the most frustrating th
55. rning The boring of holes often necessitates greater than normal overhang of the tool from the tool post so the depth of cut and rate of feed should be reduced from normal Inserted Tip Carbide Tools Sherline brings the home shop machinist into the space age with cutting tools that add a new dimension to small lathes When working with tough metals high speed steel tools need constant sharpening and have a relatively short life Brazed carbide tools cut great but chip easily Inserted carbide cutting tools are the answer and have replaced those other tools in the modern machine shop Carbide inserts have the ability to consistently give good finishes and long tool life at a much higher cutting speed This is especially important with small lathes because they do not have excessive power at low RPM With inserted carbide tools you can cut stainless steel at the same RPM you were formerly using to cut aluminum with high speed steel tools without any sacrifice in quality in surface finish FIGURE 17 A Carbide Inserted Tip Cutter installed on the tip of a special tool designed to hold them These tools are more expensive than high speed steel however they are worth every penny if you have problems grinding your own steel tools or are cutting exotic materials like stainless steel Sherline offers a tool post P N 7600 which holds the larger 3 8 diameter tool shanks used to hold carbide or diamond inserted tips It also has a 3 8 round hol
56. s of all fasteners It is also a good idea to check tightness periodically when using the machine as vibration from operation may cause some fasteners to loosen up Mounting the motor and speed control unit to the headstock Refer to the exploded views and number list for part number references Modor Mounting Sary Speed antral Uni Heoddlod Spindle and Medar Mawihrg Brek Assernbhy Hadur Momira Sores ond washers FIGURE 6 DC Motor and Speed Control Assembly 1 Remove motor pulley from motor shaft Mount the inner belt guard to the motor using the two standoffs P N 4310 Next install the motor pulley P N 4336 to the motor shaft and tighten the set screw The end of the pulley should be just about even with the end of the motor shaft with the smaller pulley toward the end of the shaft 2 Place drive belt over motor pulley Place round post on speed control hinge plate in hole on inner belt guard 4 Set outer belt guard in place locating other post of hinge plate in its pivot hole Motor standoff ends will register in holes in outer belt guard Make sure the drive LA belt is routed properly Then secure the cover with 2 1 3 8 pan head screws which go into nuts pressed into the back of the inner belt guard 5 Attach motor mounting bracket to rear of headstock with two 10 32 x 3 8 socket head screws There is enough play in the mounting holes to allow you to ensure the motor is visually mounted parallel wit
57. speeds Before attempting to machine any metal please try to remember this simple rule about machining If the tool chatters decrease speed and increase feed Understanding this simple rule can save you many hours of grief When the tool chatters it is not cutting in a continuous fashion Metal likes to be machined in a way that allows the material to come off in a continuous strip while the tool is in contact with the metal If the tool is not fed at a rate that is fast enough the tool skips along the surface occasionally digging in The surface of the tool that is doing the most cutting will find a frequency of vibration that is a product of all the variables involved This can cause anything from a high pitched whine on light high speed cuts to a resonating racket that can rip the work out of the chuck on heavy cuts If you maintain the same feed rate and reduce the RPM the feed will increase because chip will be thicker If that sounds wrong at first think of it this way At the same feed rate if you cut the RPM in half twice as much metal must be removed with each rotation to get to the end of the cut in the same amount of time The chip is twice as thick so the feed is GREATER at lower RPM if the feed RATE stays constant When a tool chatters it gets dull faster because it must keep cutting through the previously machined surface that has been work hardened by machining As you can imagine there are limits to how much you can
58. steady rest in use Reaming Twist drills will generally not drill perfectly accurate sizes and very small boring tools are not satisfactory in deep holes because of their flexibility Therefore reaming is used for holes requiring accuracy within 0005 013mm Reamers are available in any standard size but are rather expensive and are generally not purchased to do one of a kind type work Use them only when a boring tool cannot be used because of the depth of the hole Because of their length they cannot always be used on a small lathe Reamers are used only to clean up the hole To make an accurate hole the work is drilled approximately 010 25mm smaller than the reamer size The work should be slowly rotated and the reamer slowly fed into the hole while applying plenty of cutting oil The reamer should be frequently removed and cleared of chips Never rotate a reamer backwards in the work as this can dull the cutting edges Faceplate Turning The faceplate has three slots which allow work to be bolted to its surface Flat work can be screwed directly to the faceplate Extra holes can be drilled to suit odd shaped work unsuitable for a chuck If the work is mounted off center be sure to counter balance the faceplate and use very low RPM Don t hesitate to drill holes in or modify the faceplate as needed to do a particular job That s what they are for They are inexpensive and you can have several on hand modified for special jobs
59. tion of the motor and electronic speed contra 16 Motors are pre tested at the TACtON Ys E 16 Mounting the headstock to the lathe or mill eeeo eee aaa aaa aaa aaa anawa ewaan 16 Mounting the mill and lathe to a board ele cece eee eee ooo aaa aaa aaa aaaaanaaana 18 Converting machines from inch to metric or vice vergi 20 AR TR TR KEE 20 I w spocd Be ta sec Pe es capa eee ee da Ga te cata etace sing R R 20 Ee NMS E 21 CD ACES UNISIII s A ease GA AE EA R AR 21 PKASKAU EE 21 Handwheel agetruede e PASE 22 Movement of the handwheels REA GE A AEGEE 23 Aligning the head and let was obs di Gab a R A i AG 23 Use of cutting oils and lubriCanNfS ac A dO KAKA 24 General machining Fetter wiwa RK NEE 25 General rules for feed rates and Cutting speeds dees eegeieeerdedeg eege 25 Lathe S eC iC AU E 27 SHERLINE Lathe Operating Instructions eee seeeseecesneeeeseeeeeseeeeeeeeceeeeeeeneeeeeeeeees 28 Review Safety Rules for Power Tools before beginning eeeceeeeeeeesteeeeneeeeeees 28 Lathe Operating InstracuGns za EA ieee senate ees AO ee 28 L yeling the C tting EE 29 Initial Fest E EE 30 Holding the More n asa AGA GE E r E EE E EEES 30 Tomme Between Centers 6 dh OSA O A R O dad O 31 Center DINO a oO KE OOO OO cht 32 Tailst ck E 33 Headstock Dring wad Gi E R dea 34 RCAMINS RSE NRA APE O O OZ EE 34 F ceplate PUDINS dA Ee Mee Ed A AE 35 PAPER TUNE TE 35 Tool Shapes and Grinding Your Ow
60. u are making special tooling or a custom accessory for your Sherline tools this will save you the trouble of measuring your particular machine to find a dimension some of which are actually quite difficult to measure If you need a dimension not listed here please call or write with your request Most of the regular specifications can be found by looking at the Lathe and Mill descriptive pages which have a Specifications List at the end of each Lathe tailstock internal taper 0 Morse Pulley groove side angle fie o Table T slot centerline distance lathe and mill T slot nominal dimensions Slot width top 25 T width bottom 40 Note The T slots are extruded into the material Table Upper slot depth 10 surfaces are machined for flatness but the slots T Slot depth 10 themselves require no additional finishing processes Total depth 20 20 threads per inch or Leadscrew thread pitch inch 050 travel per revolution handwheels Lathe mill X and Y axes 1 4 20 Mill Z axis 3 8 20 divided into 50 increments of 001 Leadscrew thread pitch metric 1 mm travel per revolution handwheels Lathe mill X and Y axes 6 3 x I mm Mill Z 10x 1 divided into 100 mm increments of 01mm Right hand Lathe crosslide Mill X axis Leadscrew thread directions Left hand Lathe leadscrew and tailstock screw Mill Y axis and Z axis NOTE This dimension was determined by measuring the extruded bases that were
61. visions on the inch handwheel scale Using the bed handwheel move the tool slowly across the work toward the headstock Cutting tools used on lathes are designed to remove metal much as paper is removed from a roll It takes a positive feed rate to accomplish this If the feed rate isn t fast enough it would be similar to tearing an individual sheet of paper off the roll The results when cutting metal would be shorter tool life a poor finish and tool chatter Chatter is a function of rigidity but it is controlled by speed RPM and feed rate Since you already have a piece of aluminum chucked up experiment with speed and feed rate You just took a cut of 010 25mm and probably noticed that the machine didn t even slow down in the slightest Now take a 1 2 inch long cut 050 or 1mm deep which is 1 revolution of the handwheel If you used the sharpened cutting tool that came with your machine it should have made the cut easily If the tool squealed reduce the RPM a little and take another 050 cut while feeding the tool faster You will probably be surprised at how easily your machine takes cuts this heavy We will now purposely try to make the machine chatter Make sure the stock you are cutting is sticking out of the chuck no more than 1 inch 25mm Crank the handwheel two turns further in from the last setting which will give you a 100 100 thousandths of an inch or 2mm cut Set the spindle speed to about 1000 RPM 1 3 speed a
62. with an angle corresponding to the one machined into the saddle It is held in place by an L wire gib lock which is secured with a locking screw It is adjusted by loosening the gib locking screw and pushing the gib in until play is removed After adjusting retighten the locking screw Milling operations require a tighter adjustment of the gibs than lathe operations Backlash adjustment Backlash is the amount the handwheel can turn before the slide starts to move when changing directions This is a fact of life on any machine tool and on machines of this type it should be about 003 to 005 08mm to 12mm Backlash must be allowed for by feeding in one direction only Example You are turning a bar to 600 diameter The bar now measures 622 which requires a cut of 011 to bring it to a finished diameter of 600 If the user inadvertently turns the handwheel 012 instead of 011 he couldn t reverse the handwheel just 001 to correct the error The handwheel would have to be reversed for an amount greater than the backlash in the feed screws before resetting the handwheel to its proper position Backlash on the X and Y axes of the mill may be reduced to a minimum by adjustment on the anti backlash nuts These nuts are located on the handwheel ends of the mill saddle The nuts are secured by slotted pan head screws which hold a pointed locking plate that interlocks with teeth on the nut To adjust backlash simply loosen the pa
63. y and unpleasant to use for general machining The main purpose of using lubricants is to keep the chips from sticking to the cutting tool When used properly modern high speed tool bits are not likely to be affected by heat on the type of work usually done on Sherline tools General machining terms Two terms frequently used in machining are Feed and Cut Reference to the diagrams below will show what is meant by these terms Normal turning on a lathe when used to reduce the diameter of a work piece involves advancing the cutting tool perpendicular to the lathe bed by an appropriate amount depth of cut and feeding the tool along parallel to the lathe bed to remove material over the desired length See Figure 13A below FIGURE 13 Directions of Feed and Cut showing A Turning work between centers and B Facing off a work piece In normal machining the depth of cut is set by the crosslide handwheel and the feed is provided by the handwheel on the end of the bed When facing off the end of a work piece held in a chuck or faceplate the depth of cut is set by the handwheel on the end of the bed and the feed is provided by the crosslide handwheel See Figure 13B above When using a mill cut is determined by the amount of depth the cutter is set to by the Z axis handwheel Feed is supplied by either or both the X or Y axis handwheels depending on the desired direction of the cut General rules for feed rates and cutting
64. y only Inch Metric u o Feed Screw Inch Metric Headstock Spindle Headstock Pivot Pin Lathe Tool Post Tee Nut Head Key Tailstock Spindle Inch Metric Thrust Collar S Leadscrew end Leadscrew Thrust 5 40 x 1 SHCS Bearing Washer 10 32 x 5 8 Skt Hd Cap Screw 10 32 x 1 Skt Hd Cap Screw Gao See 45450 Leadscrew Support 1 Morse Center 0 Morse Center Plug Button oP Headstock Bearing Self Tapping Screw 10 24 x 7 8 Skt hd Cap Screw 10 32 x 1 2 Button Head Hex Screw 10 32 x 3 8 Skt Hd Cap Screw 10 32 x 3 16 Cup Pt Set Screw 5 40 x 3 8 Skt Hd Cap Screw 5 16 18 x 3 4 Cone Pt Set Screw 5 32 Hex Key 3 16 Hex Key 3 32 Hex Key Spindle Bar os o o 1 4 LD Washer 10 32 x 1 4 Flat Pt Set Screw s i A u Ji 40660 40670 40690 40760 40820 40860 40870 40890 41890 40900 40910 40980 40990 41080 41110 41130 43100 43110 43120 43130 43140 43150 43160 43170 43180 43190 43200 43230 43360 43450 43460 44010 44120 44200 44230 44210 44220 4211 44221 44 R 880 3 16 I D Washer 10 32 x 1 2 Skt Hd Cap Screw a ae 10 32 x 3 4 Skt Hd Cap Serw 10 32 x 5 8 Thumbscrew Gib Lock Tailstock Locking Screw Grommet Ip Tailstock Spindle Locking Screw Slide Screw Insert Inch Metric 10 32 x 3 8 Flat Hd Skt Screw Saddle Crosslide Gib Saddle Gib 6 32 Hex Nut Tailstock Casing DC Speed Control Knob and Set Screw DC Motor Stand

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