Grizzly G0688 Owner's Manual
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Grizzly G0688 Owner's Manual

Tool post grinder
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MODEL G0688
TOOL POST GRINDER
OWNER'S MaNuaL
Copyright © AUgUSt, 2009 By grizzly indUStriAl, inC.
WaRNING: NO PORTION Of ThIS MaNuaL May bE REPRODucED IN aNy ShaPE
OR fORM WIThOuT ThE WRITTEN aPPROvaL Of GRIzzLy INDuSTRIaL, INc.
(For ModElS MAnUFACtUrEd SinCE 9/08) #tS11354 printEd in tAiWAn

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  • Page 1 OWNER'S MaNuaL Copyright © AUgUSt, 2009 By grizzly indUStriAl, inC. WaRNING: NO PORTION Of ThIS MaNuaL May bE REPRODucED IN aNy ShaPE OR fORM WIThOuT ThE WRITTEN aPPROvaL Of GRIzzLy INDuSTRIaL, INc. (For ModElS MAnUFACtUrEd SinCE 9/08) #tS11354 printEd in tAiWAn...
  • Page 2 This manual provides critical safety instructions on the proper setup, operation, maintenance and service of this machine/equipment. Failure to read, understand and follow the instructions given in this manual may result in serious personal injury, including amputation, electrocution or death. The owner of this machine/equipment is solely responsible for its safe use.

  • Page 3: Table Of Contents

    Unpacking ... 10 inventory ... 11 Clean Up ... 11 lathe requirements ... 12 Mounting grinder on lathe... 12 Adjusting grinder Spindle Centerline ... 13 test run ... 14 SEcTION 4: OPERaTIONS ... 15 operation overview... 15 lathe rotation ... 16 internal Wheel ...

  • Page 4: Introduction

    Model g0688 is designed for dry or wet grinding. Model g0688 (Mfg. Since 9/08)

  • Page 5: Identification

    Belt guard tool post Mounting hole Spindle & Quill Spindle Elevation Wheel External grinding Wheel figure 1. Model g0688 identification. To reduce the risk of serious injury when using this machine, read and understand this entire manual before beginning any operations.

  • Page 6: Machine Data Sheet

    External Grinding Wheel Size ... 5"D x Internal Grinding Wheel Speed ...16500, 23000 RPM Internal Grinding Wheel Spindle Thread ...M10-1.5 Max. Tool Post Diameter Capacity ... 1" Height Range of Grinder Spindle Center Line from Compound Slide ... 1 Model G0688 mACHine dATA model G0688...
  • Page 7 Mounts Directly to Lathe Tool Post Low-Speed Range for External Grinding Wheels High-Speed Ranges for Internal Grinding Wheels Balanced, Hardened Alloy Steel Spindle Designed for Dry or Wet Grinding Model G0688 Model g0688 (Mfg. Since 9/08) Page 2 of 2...

  • Page 8: Section 1: Safety

    Wear protective hair covering to contain long hair and wear non-slip footwear. 6. NEVER OPERATE MACHINERY WHEN TIRED OR UNDER THE INFLUENCE OF OPERATING DRUGS OR ALCOHOL. Be mentally alert at all times when running machinery. OPERATING MACHINERY. Model g0688 (Mfg. Since 9/08)
  • Page 9 15. MAKE SURE GUARDS ARE IN PLACE AND WORK CORRECTLY BEFORE USING MACHINERY. Model g0688 (Mfg. Since 9/08) 16. REMOVE CHUCK KEYS OR ADJUSTING TOOLS. Make a habit of never leaving chuck keys or other adjustment tools in/on the machine—especially near spindles!

  • Page 10: Additional Safety Instructions For Tool Post Grinders

    Model g0688 (Mfg. Since 9/08)

  • Page 11: Section 2: Circuit Requirements

    Minimum Circuit Size ... 15 Amps power Source ...220V, 3-phase Model g0688 (Mfg. Since 9/08) Power connection Device the type of plug required to connect your machine to power depends on the type of service you cur- rently have or plan to install.

  • Page 12: Section 3: Setup

    Lock entrances to the shop or disable start switch or power connection to prevent unsupervised use. Model g0688 (Mfg. Since 9/08)

  • Page 13: Inventory

    Spindle pulley 23,000 rpM... 1 installed: — External grinding Wheel 5" diameter..1 — V-Belt M28 ... 1 figure 3. Model g0688 inventory. SuffOcaTION hazaRD! Immediately discard all plas- tic bags and packing materi- als to eliminate choking/suf- focation hazards for children and animals.

  • Page 14: Lathe Requirements

    Lathe Requirements the Model g0688 is designed to work with metal lathes that have a 12" swing or greater. Use the following requirements to verify that your lathe will accommodate the grinder. Tool Post the maximum tool post diameter the grinder can accommodate is 1".

  • Page 15: Adjusting Grinder Spindle Centerline

    When you connect the grinder to power, make sure the power cord is positioned away from any moving parts and does not pose an entanglement hazard. Model g0688 (Mfg. Since 9/08) adjusting Grinder Spindle centerline When using the external grinding wheel, the...

  • Page 16: Test Run

    (or up and away from the operator), the motor is wired out-of-phase. disconnect the grinder from power and switch any two hot leads inside the plug housing. Model g0688 (Mfg. Since 9/08)

  • Page 17: Section 4: Operations

    Keep these items away from moving parts at all times to reduce this risk. Model g0688 (Mfg. Since 9/08) Operation Overview this overview gives you the basic process that happens during a typical operation with this this entire machine.

  • Page 18: Lathe Rotation

    For the external wheel, the lathe should rotate clockwise, as illustrated in figure 9. When using the internal wheel, set lathe rotation to counterclockwise.
  • Page 19 Wheel Spindle nut figure 11. removing the external wheel spindle nut. Model g0688 (Mfg. Since 9/08) Use a wrench on the flats of the right-hand spindle to keep it from turning, then unthread and remove the external wheel spindle nut, as shown in figure 11.
  • Page 20 15 clockwise to remove it and the flat washer from the spindle. Note: The spindle pulley screw has left-hand threads. External Spindle pulley figure 15. removing the spindle pulley screw. Model g0688 (Mfg. Since 9/08) Belt tensioning Knob Spindle pulley...
  • Page 21 16,500 RPM, and the smaller one is for a speed of 23,000 RPM. Use the one that best fits your operation. Model g0688 (Mfg. Since 9/08) loosen the two cap screws shown in figure 17 that secure the quill, then push the quill...

  • Page 22: External Wheel

    11). Note: If necessary, also use a wrench on the flats of the internal wheel shaft to loosen it. Store the internal wheel in a dry, protected area away from extreme temperatures for future use. Model g0688 (Mfg. Since 9/08)
  • Page 23 Attach the cover onto the external wheel guard. Model g0688 (Mfg. Since 9/08) changing Spindle Pulley & belt diSConnECt lAthE And grindEr FroM poWEr! if installed, remove the belt guard to fully expose the flat belt.

  • Page 24: External Wheel Flange

    21. Note: The front and rear flanges use tapered surfaces to mate and align to each other. External Wheel, Cupped Face Front Flange Cap Screws figure 21. Front flange removed. rear Flange Front Flange Model g0688 (Mfg. Since 9/08)

  • Page 25: Balancing External Wheel

    Note: To avoid cracking the wheel, DO NOT overtighten the cap screws. perform the following balancing External Wheel procedure. Model g0688 (Mfg. Since 9/08) balancing External Wheel A properly balanced external grinding wheel helps to ensure a good grinding finish and reduces stress on the grinder.

  • Page 26: Wheel Care

    Dressing on Page 26 for detailed instruc- tions). • Always visually inspect each wheel, and perform the ring test on the external wheel before installing it (refer to Wheel Inspection & Ring Test on Page 25 for detailed instruc- tions). Model g0688 (Mfg. Since 9/08)

  • Page 27: Wheel Inspection & Ring Test

    Model g0688 (Mfg. Since 9/08) At the four spots on the wheel shown in figure 24, gently tap the wheel with a non- metallic object, such as a screwdriver handle or wooden mallet.

  • Page 28: Wheel Dressing

    Note: Several light passes across the dress- ing tool will produce the best results, with the least amount of wear or damage to the wheel or the dressing tool. Model g0688 (Mfg. Since 9/08)

  • Page 29: Section 5: Accessories

    Safety Glasses 2.0 h7196—bifocal Safety Glasses 2.5 T20502 T20503 h7194 figure 27. Eye protection assortment. Model g0688 (Mfg. Since 9/08) h2499—Small half-Mask Respirator h3631—Medium half-Mask Respirator h3632—Large half-Mask Respirator h3635—cartridge filter Pair P100 Wood dust has been linked to nasal cancer and severe respiratory illnesses.
  • Page 30 ⁄ " long round body with knurled grip for maxi- mum control. includes protective rubber end cap. figure 33. diamond dressers. Buy Direct and Save with Grizzly – Trusted, Proven and a Great Value! ® ~Since 1983~ Model g0688 (Mfg. Since 9/08)
  • Page 31 6' data cable is long enough to mount the remote display in almost any convenient location. figure 34. t10118 tailstock digital readout. Buy Direct and Save with Grizzly – Trusted, Proven and a Great Value! ® ~Since 1983~...

  • Page 32: Section 6: Maintenance

    When you are finished with the grinding operation and have removed the Model g0688 from your lathe, clean these exposed surfaces and relubricate them. NOTICE...

  • Page 33: Section 7: Service

    6. incorrectly mounted to lathe. 7. Motor mount loose/broken. 8. Motor bearings at fault. 9. Motor shaft bent. Model g0688 (Mfg. Since 9/08) Troubleshooting possible Solution 1. Ensure power supply is ON/has correct voltage. 2. test for good contacts; correct the wiring.
  • Page 34 1. increase feed rate. 2. Correctly dress the wheel (Page 26). 3. grind ferrous materials only. 1. properly re-clamp workpiece. incorrectly 2. Correctly dress the wheel (Page 26). 3. replace wheel; check new wheel before using (Page 25). Model g0688 (Mfg. Since 9/08)

  • Page 35: Section 8: Wiring

    You can view these pages in color at www.grizzly.com. Model g0688 (Mfg. Since 9/08) MODIFICATIONS. Using aftermarket parts or modifying the wiring beyond what is shown in the diagram may lead to unpredictable results, including serious injury or fire.

  • Page 36: Wiring Diagram

    37. Model g0688 wiring. READ ELECTRICAL SAFETY -34- ON PAGE 33! Wiring Diagram ON/OFF Switch Ground Ground 220V 3-Phase NEMA 15-15 Plug (As Recommended) WARNING! SHOCK HAZARD! Disconnect power before working on wiring. Model g0688 (Mfg. Since 9/08)

  • Page 37: Section 9: Parts

    SEcTION 9: PaRTS 10-1 10-2 10-3 Model g0688 (Mfg. Since 9/08) Main breakdown -35-...

  • Page 38: Main Parts List

    CAP SCREW M5-.8 X 20 EXTERNAL GRINDING WHEEL 5" EXTERNAL WHEEL FLANGE ASSY CAP SCREW M5-.8 X 12 SPINDLE NUT M10-1.5 EXTERNAL WHEEL GUARD ASSY FLAT WASHER 5MM PHLP HD SCR M5-.8 X 15 V-BELT M28 Model g0688 (Mfg. Since 9/08)

  • Page 39: Accessories

    HEX WRENCH 2.5MM PAW04M HEX WRENCH 4MM PAW05M HEX WRENCH 5MM PAW06M HEX WRENCH 6MM P0688056 INT. SPINDLE PULLEY 16,500 RPM Model g0688 (Mfg. Since 9/08) accessories REF PART # P0688058 P0688059 P0688060 P0688061 P0688062 DESCRIPTION FLAT BELT 20 X 770MM...

  • Page 40: Label Placement

    MuST maintain the original location and readability of the labels on the machine. If any label is removed or becomes unreadable, REPLacE that label before using the machine again. contact Grizzly at (800) 523-4777 or www.grizzly.com to order new labels. -38-...
  • Page 41 Do you think your machine represents a good value? Would you recommend Grizzly Industrial to a friend? Would you allow us to use your name as a reference for Grizzly customers in your area? Note: We never use names more than 3 times.
  • Page 42 FOLD ALONG DOTTED LINE FOLD ALONG DOTTED LINE Send a Grizzly Catalog to a friend: Name_______________________________ Street_______________________________ City______________State______Zip______ GRIZZLY INDUSTRIAL, INC. P.O. BOX 2069 BELLINGHAM, WA 98227-2069 TAPE ALONG EDGES--PLEASE DO NOT STAPLE Place Stamp Here...

  • Page 43: Warranty And Returns

    WARRANTY AND RETURNS Grizzly Industrial, Inc. warrants every product it sells for a period of 1 year to the original purchaser from the date of purchase. This warranty does not apply to defects due directly or indirectly to misuse, abuse, negligence, accidents, repairs or alterations or lack of maintenance.
  • Page 44 Buy Direct and Save with Grizzly – Trusted, Proven and a Great Value! ® ~Since 1983~ Visit Our Website Today For Current Specials! ORDER 24 HOURS A DAY! 1-800-523-4777...

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