User Manual - Axminster Power Tool Centre
Contents
1. 350 400 6 4 Turning between centres With a ruler locate and mark the centre on each end Put a dimple in each end of the shock Extremely hard woods may require kerfs cut into the spur drive end of stock see Fig 21 Fig 21 The spur drive centre locks into the cleaned spindle taper and can be removed with the knockout rod Fig 22 rend Fig 22 Mount the centred workpiece between the spur drive centre and the tailstock mounted live centre Turn the tailstock hand wheel until the live centre well penetrates the workpiece Reverse the hand wheel by one quarter turn and lock the tailstock spindle Turn the workpiece by hand to see if it rests securely between centres and can be rotated freely For turning between centres the tool rest is set appr 3mm higher than centre line Fig 23 and 24 Fig 23 6 5 Bowl turning Turn outside of bowl between centres Turn a short tenon the size of the hole in the faceplate A Fig 25 This will allow centring the workpiece Mount the workpiece A Fig 26 directly to the face plate using 4 wood screws C from the back Be careful to use screws short enough not to interfere with the cutting process but long enough to hold the workpiece securely to the face plate If screw mounting is not allowed at all the work may be glued to a backing block D and the backing block screwed to the face plate A piece of paper in the glue joint will prevent damaging the woo2. Original GB Operating Instructions Translations D Gebrauchsanleitung F Mode d emploi Walter Meier Tool AG T mperlistrasse 5 CH 8117 F llanden Switzerland Phone 41 44 806 47 48 Fax 41 44 806 47 58 jetinfo eu waltermeier com www jettools com M 1794224BM 2012 11 21 CE Conformity Declaration Product Wood Lathe 4224B Stock Number 1794224BM Brand JET Manufacturer Walter Meier Tool AG T mperlistrasse 5 CH 8117 F llanden Switzerland On our own responsibility we hereby declare that this product complies with the regulations 2006 42 EC Machinery Directive 2004 108 EC EMC Directive Electro Magnetic Compatibility 2006 95 EC Low Voltage Directive 2002 95 EC RoHS Directive Reduction of Hazardous Substances designed in consideration of the standards EN ISO 12100 1 EN ISO 12100 2 EN ISO 13857 EN 349 EN 953 EN 60204 1 EN ISO 11202 EN 61000 6 4 EN 61800 3 EN 55011 EN 55014 2 EN ISO 14121 1 Technical file compiled by Hansjorg Brunner Product Management 2012 11 21 Eduard Scharer General Manager Walter Meier Tool AG Tamperlistrasse 5 CH 8117 Fallanden Switzerland GB ENGLISH Operating Instructions Dear Customer Many thanks for the confidence you have shown in us with the purchase of your new JET machine This manual has been prepared for the owner and operators of a JET 4224B wood lathe to promote safety during installation operation and maintenance procedures
3. Please read and understand the information contained in these operating instructions and the accompanying documents To obtain maximum life and efficiency from your machine and to use the machine safely read this manual thoroughly and follow instructions carefully Table of Contents 1 Declaration of conformity 2 Warranty 3 Safety Authorized use General safety notes Remaining hazards 4 Machine specifications Machine description Technical data Noise emission Contents of delivery 5 Transport and start up Transport and installation Assembly Mains connection Dust collection Compressed air connection Starting operation 6 Machine operation Correct operating position Tool selection Speed selection Turning between centres Bowl turning Sanding and Finishing 7 Setup and adjustments Changing spindle speeds Headstock spindle lock Headstock spindle index Installing work holding Adjusting tool rest Adjusting tailstock Installing bed extension Installing bed extension kit 8 Maintenance and inspection Adjusting bed clamping Changing belt and bearings 9 Trouble shooting 10 Environmental protection 11 Available accessories 1 Declaration of conformity On our own responsibility we hereby declare that this product complies with the regulations listed on page 2 Designed in consideration with the standards 2 Warranty The Seller guarantees that the supplied product is free from material de
4. connection To use the vacuum chuck and the blow gun the machine must be connected to compressed air Compressed air supply 6 5bar 90psi Connect blow gun hose A Fig 13 to the T connector Connect your incoming air supply to the quick connect coupler B BB e 12 aut Fig 13 Attach vacuum adaptor C to hose D Push adaptor into the spindle Install support bracket E Fig 14 with knurled screw This prevents adaptor from backing out during spindle rotation Fig 14 Rotate the switch H Fig 15 to activate or to deactivate the vacuum air flow The vacuum gauge R shows the vacuum pressure achieved in cmHg 80cmHg 1 bar Caution Continuous compressed air supply must be assured for vacuum chucking The chucking surface must be big enough to ensure sufficient vacuum forces The workpiece must be homogenous and thick enough to avoid air leakage and pressure loss If reversing spindle rotation make sure face plate or vacuum chuck is secured with the set screws 5 6 Starting operation You can start the machine by pulling the red ON OFF button I Fig 15 Fig 15 The machine will stop when you push the red ON OFF button I Fig 15 or the remote control ON OFF button Fig 16 Fig 16 Turn the knob K to the desired RPM There are 3 speed ranges offering speed high range 0 3500 rpm general use medium 0 2000 rpm torque low range 0 970 rpm The
5. RPM Readout shows the spindle speed Use the switch J to reverse the spindle direction 6 Machine operation 6 1 Correct operating position Always support the tool on the tool rest and guide with the palm of your hand keeping your fingers closed see Fig 18 Fig 18 6 2 Tool selection Successful wood turning does not result from high speeds but rather from the correct use of turning tools A perfect and sharp wood turner tool is a precondition for professional wood turning Major tools Fig 19 Gouge A Fig 19 used for rapidly cut raw wood into round stock for turning bowls and plates for turning beds coves and other detail Fig 20 Fig 20 Scraper B Fig 19 used for diameter scraping and to reduce ridges Skew Chisel C Fig 19 used to make vees beads etc Fig 21 The bevel of scew is parallel to the cut 1 Fig 21 Parting tool D Fig 19 used to cut directly into the material orto make a cut off Also used for scraping and to set diameters 6 3 Speed selection Use low speeds for roughing and for large diameter work If vibrations occur stop the machine and correct the cause See speed recommendations Speed recommendations Wongiec Gener mm RPM lt 50 aso 3200 aso soo 700 aeoo 2500 400 150 soo moo 1600 150 200 370 800 12 200250 30 eso 1000 250300 250 so so oa 220 aso mo 430 aoo O eoo
6. can lead to injury Dust and noise can be health hazards Be sure to wear personal protection gear such as safety goggles and dust mask Use a suitable dust collection system The use of incorrect mains supply or a damaged power cord can lead to injuries caused by electricity 4 Machine specifications 4 1 Machine description ABCDEF GH J KLMN ails OP TOUR S t WY Fig 1 A Vacuum connection B 98 position indexing system C Spindle lock D Sliding headstock E Belt drive access door F Digital read out G Vaccum chuck H Guard 350mm toolrest J Comparator support K Live centre L Tailstock with laser etched scale M Tailstock with storage cavity N Tailstock handwheel O Powerful 3 horsepower motor P Tool caddy with tools Q Front mounted controls R Integrated vacuum system S Remote control T Heavy cast iron bed with precision ways U Cast iron legs V Ledges for shelf support W Leveling feet 4 2 Technical data Swing over bed 610mm Swing over tool rest base 490mm Centre distance 1067mm Number of mechanical speeds 3 Spindle speed range L 0 910 rpm Spindle speed range M 0 2000 rpm Spindle speed range H 0 3500 rpm Spindle nose M33x3 5 DIN 800 Headstock spindle taper MT2 Spindle index lock 14x25 7 36x10 48x7 5 Spindle hole diameter 15 8mm Tailstock spindle taper MT 2 Tailstock hole diameter 9 5mm Tailstock ram travel 115mm Centre above floor 1120mm Overall LxWxH 2260x710x1651mm Leg footp
7. d when separated later Mount the face plate with the workpiece already attached onto the spindle nose thread and hand tighten Move tailstock away remove centre from tailstock to prevent injury Turn the workpiece by hand to see if it rests securely and can be rotated freely Fig 26 For face plate turning the tool rest is set slightly lower than centre line Caution Cut with your chisel on the left side of the turning centre only Use left hand to control cutting edge of gouge while right hand swings tool handle around toward your body Fig 27 WORKPIECE Fig 27 Try to make one very light continuous movement from the rim to the bottom of the bowl to ensure a clean sweeping curve through the workpiece Move tool support to the exterior to re define bottom of bowl 6 6 Sanding and Finishing Remove the toolrest and begin with a fine grit sandpaper 120 grit and progress through each grit using only light pressure Use power sanding techniques to avoid concentric sanding marks Finish sanding with 220 grit Apply first coat of finish Allow to dry before sanding again with 320 or 400 grit sandpaper Turn lathe back on and make a separation cut through the base Stop at about dia 80mm and use a fine tooth saw to separate the bowl from the waste Apply additional finish coats and allow to dry before buffing 7 Setup and adjustments General note Setup and adjustment work may only b
8. e carried out after the machine is protected against accidental starting by pulling the mains plug 7 1 Changing speed range Disconnect the machine from the power source Loosen the locking screw and open the belt cover Loosen the locking handle A Fig 28 u bi r Fig 28 Lift up on the tensioning handle B to remove tension from the poly v belt You can now position the belt in the desired speed range Note High speed range 0 3500 rpm for maximum speed Medium speed range 0 2000 rpm for general use Low speed range 0 910 rpm for maximum torque Lower the tensioning handle so that the weight of the motor provides the needed tension and tighten the locking handle Close and lock the belt cover Warning The AC Inverter does not require any programming Itis pre programmed from the factory The buttons and knob on the inverter should not be changed 7 2 Headstock spindle lock Push in pin G Fig 29 to stop the spindle from turning Slide down the bracket F to hold in place Fig 29 Caution Never press the spindle lock while the spindle is turning 7 3 Headstock spindle index The handwheel has 3 arrays of holes 14x25 7 36x10 48x7 5 The spindle nose has a matching graduation scale Loosen handle A Fig 30 and position bracket until indexer pin aligns with the desired array of holes Fig 30 Rotate spindle by observing the spindle gradua
9. e leave it at a specialized institution 11 Available accessories Stock number 6294905E Bed Extension 508mm Fig 44 ttf Fig 44 Stock number 6294900E Bed Extension Kit 508mm Fig 45 Stock number 6294904E Bed Extension 1600mm with stand Fig 47 Fig 47 Stock number 6294903E Tailstock Riser Block Fig 48 Fig 48 Stock number 708349 Heavy outboard turning stand Fig 46 4 A a EA gt ee Pa Fig 46 Stock number 709911 Face plate 5mm M33x3 5mm Stock number 709921 Face plate 150mm M33x3 5mm Stock number 709960 Spindle adapter M33x3 5 1 x 8TPI Stock number 709942 Four toothed spur centre MT 2 Stock number 708343K Drill chuck 13 mm with tapered mandrell MT 2 Stock number 709960 Spindle adapter M33x3 5 1 x 8TPI Stock number 708332 Face shield Refer to the JET Pricelist for various tools and work holding
10. e tool rest base Fig 40 Fig 39 One screw is installed from inside the leg and Spee secured with nylon nut B FRE Install handwheel and tighten sets crew Fig 39 Note If heavy loading makes handwheel turning difficult a 19mm wrench can be used Fig 40 Fig 40 For larger outboard work a heavy outboard turning stand is available 708349 8 Maintenance and inspection General notes Maintenance cleaning and repair work may only be carried out after the machine is protected against accidental starting by pulling the mains plug Clean the machine regularly Remove any foreign objects from the heat sinks of AC drive Do not obstruct the air flow Inspect the proper function of the dust collection daily Defective safety devices must be replaced immediately Repair and maintenance work on the electrical system may only be carried out by a qualified electrician Warning Wait five minutes for DC bus capacitors discharge before accessing the AC drive unit 8 1 Adjusting bed clamping If adjustment is needed remove the stop bolt on end of bed Slide the headstock tailstock or toolrest to the edge of the bed and slightly turn the hex nut B Fig 41 Test the clamping function and repeat if necessary Fig 41 8 2 Changing belt and bearings Changing belt and bearings can be a difficult task By chance remove headstock and take into a repair station for servicing Disconnect the machine fr
11. eck setup at the lowest speed before you increase to the operating speed Do not remove chips and workpiece parts until the machine is at a standstill Never stop work pieces with the hand during run out Do not attempt to engage the spindle lock pin until the spindle has stopped Never take measurements on a rotating workpiece Do not stand on the machine Do not obstrukt the air flow on heat sinks of AC drive allow natural cooling Connection and repair work on the electrical installation may be carried out by a qualified electrician only Warning Wait five minutes for DC bus capacitors discharge before accessing the AC drive unit Have a damaged or worn power cord replaced immediately Make all machine adjustments or maintenance with the machine unplugged from the power source 3 3 Remaining hazards When using the machine according to regulations some remaining hazards may still exist The rotating workpiece can cause injury Workpieces that are inhomogeneous or weak can explode when being processed due to centrifugal force Only process selected woods without defects Unbalanced workpieces can be hazardous Loss off compressed air supply can be hazardous Injuries can occur when feeding tooling if tool supports are not correctly adjusted or if turning tools are blunt Risk of kickback The tooling is caught by the rotating workpiece and thrown back to the operator Thrown workpieces and workpiece parts
12. fects and manufacturing faults This warranty does not cover any defects which are caused either directly or indirectly by incorrect use carelessness accidental damage repair inadequate maintenance or cleaning and normal wear and tear Guarantee and or warranty claims must be made within twelve months from the date of purchase date of invoice Any further claims shall be excluded This warranty includes all guarantee obligations of the Seller and replaces all previous declarations and agreements concerning warranties The warranty period is valid for eight hours of daily use If this is exceeded the warranty period shall be reduced in proportion to the excess use but to no less than three months Returning rejected goods requires the prior express consent of the Seller and is at the Buyer s risk and expense Further warranty details can be found in the General Terms and Conditions GTC The GTC can be viewed at www jettools com or can be sent by post upon request The Seller reserves the right to make changes to the product and accessories at any time 3 Safety 3 1 Authorized use This wood lathe is designed for turning wood only Machining of other materials is not permitted and may be carried out in specific cases only after consulting with the manufacturer The workpiece must allow to safely be loaded and supported The proper use also includes compliance with the operating and maintenance instructions given in th
13. is manual The machine must be operated only by persons familiar with its operation and maintenance and who are familiar with its hazards The required minimum age must be observed The machine must only be used in a technically perfect condition When working on the machine all safety mechanisms and covers must be mounted In addition to the safety requirements contained in these operating instructions and your country s applicable regulations you should observe the generally recognized technical rules concerning the operation of woodworking machines Any other use exceeds authorization In the event of unauthorized use of the machine the manufacturer renounces all liability and the responsibility is transferred exclusively to the operator 3 2 General safety notes Woodworking machines can be dangerous if not used properly Therefore the appropriate general technical rules as well as the following notes must be observed Read and understand the entire instruction manual before attempting assembly or operation Keep this operating instruction close by the machine protected from dirt and humidity and pass it over to the new owner if you part with the tool No changes to the machine may be made Daily inspect the function and existence of the safety appliances before you start the machine Do not attempt operation in this case protect the machine by unplugging the mains cable Remove all loose clothing and confi
14. ne long hair Before operating the machine remove tie rings watches other jewellery and roll up sleeves above the elbows Wear safety shoes never wear leisure shoes or sandals Always wear the approved working ouffit Do not wear gloves Wear goggles when working Install the machine so that there is sufficient space for safe operation and workpiece handling Keep work area well lighted The machine is designed to operate in closed rooms and must be placed stable on firm and levelled table surface Make sure that the power cord does not impede work and cause people to trip Keep the floor around the machine clean and free of scrap material oil and grease Stay alert Give your work undivided attention Use common sense Do not operate the machine when you are tired Keep an ergonomic body position Maintain a balanced stance at all times Do not operate the machine under the influence of drugs alcohol or any medication Be aware that medication can change your behaviour Never reach into the machine while it is operating or running down Never leave a running machine unattended Before you leave the workplace switch off the machine Keep children and visitors a safe distance from the work area Do not operate the electric tool near inflammable liquids or gases Observe the fire fighting and fire alert options for example the fire extinguisher operation and place Do not use the machine in a dump environmen
15. nter clockwise To screw off the cone R Fig 35 the life center must be locked against rotation with the supplied pin S The centering pin can be knocked out to allow deep hole drilling operations 7 7 Installing bed extension 6294905E Have an assistant hold bed extension flush to end of lathe bed and insert four screws with washers B Fig 36 Snug screws just enough to hold bed extension to lathe bed Unscrew stop bolt A from lathe bed and insert it into hole at end of bed extension Fig 36 Top surfaces and inside ways must be flush to allow smooth movement of tailstockt Slide tailstock over joint where beds meet so that clamping nut is centered over joint Lock tailstock clamping handle this will align the beds Fig 37 gt N amp y 1 N N Tighten screws in extension bed Fig 37 7 8 Installing bed extension kit 6294900E The machined surfaces of bed end and leg must be aligned flush Use a straight edge to check Fig 38 Fig 40 Fig 38 For outboard turning move the headstock to opposite end of Install bed extension in the same manner as described in lathe chapter 7 7 To accommodate large workpieces you can mount the bed tension to the lower set of holes and mount an extension Install elevating system to bed extension with four screws and en ER washers and to lathe leg with three screws and washers A post included with kit to th
16. om the power source Open the door and remove the belt from the lower pulley Loosen two set screws A Fig 42 and unscrew the handwheel Fig 42 Loosen and remove the clamping nut B and lock washer C Use a wood dowel or aluminium stock to knock spindle towards the tailstock Use a material that is softer than the spindle so you do not mushroom end of spindle Go only far enough to remove the belt from spindle To reassemble reverse the procedure When reinstalling clamping nut thread it on to the spindle until its snug Then back off slightly and tighten the lock washer Note To remove the pulley for bearing replacement it is needed to loosen the 2 set screws E Fig 43 Fig 43 Make sure the pulleys are oriented properly after reassembly for straight belt runnig 9 Trouble shooting Motor doesn t start No electricity check mains and fuse Defective switch motor or cord consult an electrician Overload detected on AC drive unit wait and restart machine chose low speed range belt setting 0 910 rpm for better torque Insufficient vacuum check compressed air supply check chucking for air leakage Machine vibrates excessively Stand on uneven floor adjust stand for even support Workpiece is not properly centred The speed is too high 10 Environmental protection Protect the environment Your appliance contains valuable materials which can be recovered or recycled Pleas
17. ose of the packing in an environmentally friendly manner Clean all rust protected surfaces with a mild solvent Attach the leg stand At this point the headstock tailstock and tool rest should be removed The machine is heavy Get the help of a second person Loosen both headstock cams A Fig 3 with provided wrench to position the head along the lathe bed Fig 3 Remove the stop pin B to slide the headstock off the bed Carefully turn bed upside down on skid Make sure nothing is beneath that would scratch the bed ways Prevent damage to the JET Logo plate Attach the leg stand with 8 hex socket cap screws lock washers and flat washers A Fig 4 1 Fig 4 1 Install leveling feet and tighten nuts against the leg Fig 4 2 Fig 4 2 Turn bed upside down Adjust the feet so that the lathe rests evenly on the floor Reinstall headstock tool rest and tailstock Note If installing the 508mm bed extension Kit 6294900E optional the right leg and bed end surfaces must be flush If you are bolting the lathe to the floor you need to block up the legs by 40mm to allow sufficient clearance for the elevating post Tool caddy assembly Mount the tool caddy with two screws and lock washers to the left leg Fig 5 Fig 5 Note The tailstock body can also be used to store tools Fig 6 Fig 7 2 Fig 6 Stand shelf You can install an extra shelf that rests between the legs if y
18. ou wish Fig 7 3 There are different possibilities see Fig 7 1 to 7 3 Optical comparator assembly Mount the comparator brackets C and D Fig 10 to the back of the headstock and tailstock with socket head cap screws and lock washers Fig 8 The tailstock bracket has elongated holes so it can be aligned with the headstock bracket The comparator allows to hold a sample workpiece for optical reference and comparative measurement taking see Fig 9 10 Comparator Spur Center v Si rl Fig 10 Guard assembly Attach the guard to the bracket by inserting the rod and lifting up on the plunger A Fig 11 Fig 11 There are two detents that will hold the guard in place One is for turning and the other is for when you need the guard up and out of the way Tighten the bushings B against the bracket with two set screws C Guard tilted back for stock loading Fig 12 5 3 Mains connection Mains connection and any extension cords used must comply with applicable regulations The mains voltage must comply with the information on the machine licence plate The mains connection must have a 16 A surge proof fuse Only use power cords marked HO7RN F Connections and repairs to the electrical equipment may only be carried out by qualified electricians 5 4 Dust collection Use a suitable dust collection and air filtration system to avoid high dust concentrations in the air 5 5 Compressed air
19. rint LxW 1600x610mm Net weight 395 kg Mains 1 230V PE 50Hz Output power 2 2 kW 3 HP S1 Reference current 12 A Extension cord HO7RN F 3x1 5mm Installation fuse protection 16A Isolation class l Compressed air supply 6 5bar 90psi 4 3 Noise emission Acoustic pressure level EN ISO 11202 Idling LpA 72 5 dB A In operation LpA 78 4 dB A The specified values are emission levels and are not necessarily to be seen as safe operating levels As workplace conditions vary this information is intended to allow the user to make a better estimation of the hazards and risks involved only 4 4 Content of delivery Casting legs with levelling pads 350 mm tool rest 75 mm face plate Spur centre and tooling knockout bar Live centre Guard Comparator centres Tool caddy Vacuum adaptor and support bracket Vacuum chuck Air blow gun with house Remote ON OFF switch Operating tools Assembly kit Operating manual Spare parts list HP 3 OO wo OTT HP 4 OO Il HP 1 o X XX Fig 2 5 Transport and start up 5 1 Transport and installation The machine is designed to operate in closed rooms and must be placed stable on firm and levelled ground The machine can be bolted down if required For packing reasons the machine is not completely assembled 5 2 Assembly If you notice transport damage while unpacking notify your supplier immediately Do not operate the machine Disp
20. t and do not expose it to rain or direct sunlight Wood dust is explosive and can also represent a risk to health Dust form some tropical woods in particular and from hardwoods like beach and oak is classified as a carcinogenic substance Always use a suitable dust collection device Before machining remove any nails and other foreign bodies from the workpiece Make sure to guide and hold the chisel with both hands safe and tight during machining Work only with well sharpened tools Machine only stock which is chucked securely on the machine always check before switching the machine on Continuous compressed air supply must be assured for vacuum chucking The chucking surface must be big enough to ensure sufficient vacuum forces The workpiece must be homogenous and thick enough to avoid air leakage and pressure loss If reversing spindle rotation make sure face plate or vacuum chuck is secured with the set screws Provide workpieces with centre holes before clamping between centres Work large and unbalanced workpieces at low spindle speed only When sanding remove the tool rest from the machine Workpieces with cracks may not be used Remove the chuck key or dowel pins before turning the machine on Always close the belt cover Specifications regarding the maximum or minimum size of the workpiece must be observed Test each set up by revolving the work by hand to insure it clears the tool rest and bed Ch
21. tion Push indexer pin to engage the handwheel hole Screw in indexer knob to hold in place Caution Do not overtighten the indexer knob to avoid deflection Release index pin before turning on the lathe Never press the index pin while the spindle is turning The indexer assembly can be removed from the lathe by unscrewing locking handle A 7 4 Installing work holding The faceplate is used for tuning bowls There are a number of holes for mounting the workpiece Thread the faceplate onto the spindle in a clockwise direction and tighten two set screws E Fig 31 Ao gee Fig 31 Remove the faceplate by loosening two set screws E Push in the spindle lock and use the provided open spanner F Fig 32 Fig 32 Caution If reversing spindle rotation always make sure face plate or vacuum chuck is secured with the set screws 7 5 Adjusting tool rest Position the tool rest as close to the workpiece as possible Tighten handle C Fig 33 to lock Set the height to approximately 3mm above centre line Tighten indexable knob D If tool rest post begins to slip tighten up the hex socket cap screw E Fig 33 7 6 Adjusting tailstock Turn the hand wheel P Fig 34 clockwise to move tailstock spindle forward Lock tailstock spindle with the indexable knob O Fig 34 The handle Q locks the tailstock in position on the bed The live centre can be ejected by turning the hand wheel cou
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