MODEL SG-612 SURFACE GRINDER - KBC Tools & Machinery, Inc.
Contents
1. ae ah i O O Q JJ OU bh N N N N N N N N N N a 1 2 a 2 EY 4 E 4 OD 0 A Y Nw O 0 Y OQ t Rh GRINDING SPINDLE FRONT NUT GRINDWHEEL LOCKING NUT GRINDWHEEL LOCKING BASE FRONT LOCKINIG NUT BEARING GRINDWHEEL BLOCK BEARING CONNECTION BOX MOTOR CASE HANDLE PLASTIC HANDLE BAR GUIDE ROD WORKING TABLE HEXAGON SCREW RACK GEAR KEY HANDLE HANDWHEEL DIAL BEARING BLOCK BEARING LONGITUDINAL NUT LONGITUDINAL WORM HANDLE HANDWHEEL KEY DIAL ELEVATING SEAT 7 30 BEARING 32 ELEVATING BASE 83 LOGKING SOREN 134 WHOEHE BOCT 95 SADDLE MOUNT 36 PRESS BAR 37 BASE 38 POWER SWITCH 43 LIFTING RING 44 LOCKING SCREW EEN RIN AHS 46 PULLEY 47 ELEVATING WORM 48 GUIDE PLATE 49 BEARING BLOCK 50 GEAR BOX i2. MACHINERY DIVISION 6465 18 MILE ROAD STERLING HEIGHTS MI 48314 44 PHOME OQS 586 731 3500 1 800 860 1740 Q TA RC ua FAX 0 UNER 584 731 7464 1 800 862 1740 WWW KBCTOOLS COM UNS MODEL SG 612 SURFACE GRINDER THANK YOU FOR PURCHASING WITH KBC MACHINERY ALL KBC MACHINES ARE BACKED BY OUR 1 YEAR PARTS REPLACEMENT WARRANTY WHEN USED AS INTENDED AND WITH PROPER MAINTENANCE THIS MACHINE WILL PROVIDE YOU WITH YEARS OF TROUBLE FREE SERVICE IF YOU NEED PARTS SIMPLY FILL OUT THE PARTS REQUEST FORM AND FAX OR E MAIL YOUR REQUEST ALL OTHER QUESTIONS PLEASE CONTACT US 0 KBC MACHINERY 6465 18 MILE ROAD STERLING HEIGHTS MI 48314 PH 800 860 1740 FAX 800 862 1740 MACHINERYGKBCTOOLS COM WWW KBCTOOLSANDMACHINERY COM 2 a S PARTS REQUEST FORM YOUR COMPANY NAME STATE PROVINCE YOUR NAME PHONE EXT FAX MACHINE INFO MAKE MANFACTURER MODEL NUMBER YEAR MADE SERIAL PARTS REQUESTED PART DESCRIPTION PLEASE INCLUDE COPY S OF THE PARTS DRAWING FROM THE MANUAL AND CIRCLE THE PARTS NEEDED FAX PARTS REQUEST TO 800 862 1740 E MAIL PARTS REQUEST TO machinery kbctools com THANKS KBC MACHINERY MICHIGAN pue HAND OPERATED SURFACE GRINDING MACHINE SERVICE MANUAL ACCURACY FAST PRODUCTION LOW MAINTENANCE P Operating Controls and Set Up Adjustments of the Precision Micromaster Surface
3. wheel truing fixture is furnished with the machine The truing diamond furnished rnay be applied to the wheel along any line on the lower half of the wheel circumference though pre ferably at the bottom of the wheel as shown prevent gouging the center line of the diamond tool should point slightly the center of the wheel in the direction of movernent of the wheel surface The wheel should be trued each time it is put on ine spindie and whenever it becomes loaded duli or glazed Pass the diamond across the wheel with a slow steady manual cross feed taking care to avoid any longitudinal movement of the tabie In truing a wheel for for rough grinding take a cut about 0 01m m deep in one pass of the diamond across the wheel and finish with a similar cut 0 000 25 deep If the wheel is to be used for fini shing grinding take two 0 01m m cuts then take twc or three additional cuts removing about 0 000 25 eact time and finally pass the diamond across the wheel once or twice without further advance of the wheel Wheel truing fixture in use The figures stated are approximate and under some conditions should be varied somewhat to give desired results Movable wheel slide upright contributes _immeasurably to accurate slot grinding Typical Operation A representative production job grinding D the surfaces of thirty two pieces with one load ing of the permanent magn
4. Grinding Machine 1 Spindle Start Stop Buttons 72 2 Table Dog i 3 4 Table Dog Stop gt 5 Table Dog ESs lt Tabte Travel Handwheel 7 Cross Feed Handwheel 8 Shield Plate Vertical Adjustment Handwheel 1 n TGA en m de putat nme MC Installing or Relocating the Machine In lifting or moving the machine it is rexomended that the rope be rigged as shown in Fig 1 Place Wooden blocks or protective material be ween tne rope and the machine wherever the rope is liable to I damage any part I i If avail ane a tork iift truck can used to move machine The Lift is l cated under steel bars positioned in the holes the base of the machine CAUTION Do not push on the upright when mov ing the machine unless the rods and strap used in shipping are in place The upright is a sliding mem ber held on by its own weight and the cross feed screw Considerable damage can be caused to the cross foed screw if the upright is tilted on its ways The machine should be located on a level founda tion or floor a solid vibrationiess foundation being essential To the finest finish must be produced If the machine must set on a wooden fioor locate it ovet a Deam and on a portion of the floor which free of vibration n case the foundation or floor uravoicacly transmits vibration to the machine s
5. et the machine on a shock absorbing pad vue the machina in position test the surface of the table both longitudinal any cross with precision spirit level and drive a wooden shingli under any Corner or corners that may Mak sure that all four corners are supported then tigt ten the lag screws test tne level of the tabl surface again in both directions and readjust i necessary Connecting to Power Supply machine should be connected to the power line and proper ly grounded The lines from the power source should be connected to the magnetic starter mounted on the right side of the machine Checking Motor Rotation Press the magnetic starter start and observe the direction of spindle rotatian The spindle snouid ratate clockwise as seen from the front of the machine If the direc tron of rotation is counterclockwise Change two wires al tne starter Set Up Adjustments and Operating Controls The wheel should fit easily on the wheel sleeve __ Since the clamp screw merely hoids the thrust opu bands ruidosa nol GbvE yet not loosety for if it is loose It canno t be cen of adjustment there is no reason to use excessive tered accurately Pia rg 2 PO V AXES balance Do not wrap the sleeve with paper to 7 Tt meer le clamping pressure Er D make a wheel fit when the hole is too large it is For
6. et type chuck Various items of additional equiprnent available as extras are described and illustrated in this cha pter Instructions are aiso given on their set up and use These extras include Magnetic Chucks and Precision Grinding Vise Magnetic Chucks The Rectangular Model Permanent Magnet Chu cks provide a quick easy means of holding a var iety of ferrous work for surface grinding A 1800 movement of the control lever turns the chuck on or off and since the chuck does not use electric current it can be ieft turned on for long as desired without heating O Chuck Permanent Magnet ir H 1 i Furnished at Extra Cost Optional Mechenism and Additional Equipment Precision Grinding Vise For highest accuracy in grinding work parallel the top surface of the chuck should be groung each time the chuck is mounted on the machine Be sure that the chuck is turned on before doing this and remove only the minimum amount of metal required to grind the entire top surface The chuck should not be subjected to excessive heat shocks or blows and the top sho be kept free from pits and scratches Regrind the top sur face occasionally if necessary as a smooth surface is essential for grinding work parallel 28 N 33 SS EC EAN ca x N N N SS SNA NS SN SS SS SN NN N
7. furnished tighten the clamping nut enough to hold the wheel firmly in place on the sleeve Do not tighten too much how ever as excessive clamping pressure will crack the wheel Changing Wheels n removing a wheel sleeve from the spindie always use the wheel sleeve puller furnished with the machine to avoid any chance of cracking lthe wheel or damaging the spindle bearings by pounding Remove the spindle nut this nut has a left hand thread the outer mem ber of the wheel sleeve puller into the wheel sleeve and tighten the inner screw against the spin die thus loosening the wheel sleeve without harmful jarring In putting a wheel on the spindle examine both the wheel sleeve hole and the spindle end are per fectly clean Then sl ip the sleeve onto the spindle seat it by hand and tighten by means of the clam ping nut and wrench Balance of Wheel It is essential that the wheel run perfectly true and without vibration Grinding wheels are balanced by the manufacturer and in the case of wheels of the size used on this machine should not require attention in this respect other than truing A wheel that runs badly out of balance after truing should be discarded or returned to the wheel manufacturer though in cases of necessity the con xx dition may be corrected by digging out part of wheel beneath the flange and filling with lead as indicated by amp test for static balance f Wheel Truing
8. normal surface grinding or when grinding get shoulders with the outer face of the wheel the clamp screw can be released leaving the thrust springs to take up end play automatically Wheel Speed When the Spindle is driven by a 60 cycle direct drive rnotor the full load speed is 3450 R P M using a 7 diameter wheel W thick Wheel Guard The wheel guard is a one piec unit cover on the front The cover opens upward and is held closed by four knurled head screws that is required to remove the wheel is to lift the cover However it is necessary to remove the wheel by guard rernove the wheel Two clamp screws located on the clamping edge of the whee guard support can be loosened and the guard tipped either side of horizontal if necessary ina h is Warning Always make sure that the guard i vertical adjustment hand wheel f tarti ine d securely clamped before starting the machine an is shown near the top of the upright never run a wheel without having the guard and its cover in place better from all standpoints either to discard such a wheel or recase the core Care and Use of Grinding Wheels A wheel that fits a trifle tightly may crack if Selecting the Wheel In order to produce the forced on the sieeve If the hole is only a little desired quality of work in the shortest time real under size it can easily be 5078000 out to fit care is necessary in choosing the wheel which i
9. s nens best for the job at hand Warning Before mounting a wheel hang it in the air on one finger then lightly tap the edge of Mounting Wheels One general purpose grinding the wheel and see if it gives a clear ringing sound wh amp el and one wheel sleeve are furnished with the A wheel that does not ring clear is probably cracked rnachine When additional wheels are used extra and should not be used wheel sleeves should be procured so that each wheel can be kept on its own sleeve Thus in JI ang The inner of the two flanges between the wheel ing from one type of wheel to another the wheel is mounted is a part of the wheel sleeve The outer and sleeve can be changed as a unit and will re flange consists of a steel disk or washer which is ain concentric requiring only a minimum a mount keyed to the wheel sleeve to keep it from turning of truing and loosening the clamping nut qoum furem ee AA mes oo em STEEL WASHER gt CARDBOARD 0070700000 KEYED TO DISKS ON SLEEVE GRINDING WHEEL SPINDLE SPINDLE NUT Proper mounting of grinding wheel un WHEEL SLEEVE NUT WHEEL SLEEVE To equalize the clamping pressure washers of cardboard or rubber should be placed between the wheel and the two flanges Most wheels of the size used on this machine have a ring of heavy blotting paper each side which serves tne purpose Using the pin wrench
Download Pdf Manuals
Related Search