TO SHARPEN DULL INSERT, INSTALL INSERT INTO SHARPENING FIXTURE AND CLAMP SECURELY.  TAP INSERT DOWN TO BE SURE IT IS FULLY SEATED AGAINST BOTTOM FACE.  MOUNT FIXTURE ON MAGNETIC CHUCK OF SURFACE GRINDER HORIZONTALLY OR VERTICALLY DEPENDING ON THE WHEEL BEING USED.  ** IMPORTANT: IF GRINDING HORIZONTALLY, POSITION FIXTURE SO THAT GRINDING WHEEL PRESSURE AGAINST INSERT IS TOWARDS SCREW HEAD STOP IN FIXTURE THAT CONTACTS BACK END OF INSERT, NOT TOWARDS END OF INSERT WITH FORM.

REMOVE STOCK EVENLY FROM ENTIRE TOP SURFACE OF INSERT SO THAT TOP AND BOTTOM SURFACES ARE PARALLEL WITHIN .001” AND AS SMOOTH AS POSSIBLE.  IT IS ESSENTIAL THAT THE TOP SURFACE OF THE INSERT IS FLAT AND FREE OF STEPS SINCE STEPS WOULD CAUSE INSERT TO NOT REPEAT CENTER SETTING WHEN REMOUNTED IN HOLDER AND COULD ALSO RESULT IN LACK OF RIGIDITY AND POSSIBLE BREAKAGE OF INSERT AND DAMAGE TO HOLDER.

GRIND OFF ONLY MINIMUM AMOUNT NECESSARY TO REMOVE WEAR OF CUTTING EDGES.  REMEMBER, INSERTS SHOULD BE RESHARPENED PRIOR TO .005” WEAR. 

ALWAYS SPARK OUT FINAL GRINDING PASSES FOR BETTER FINISH AND LONGER TOOL LIFE, HONING OF TOP SURFACE WILL FURTHER INCREASE TOOL LIFE AND IMPROVE FINISH.

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WHEEL GRADE RECOMMENDATION FOR CARBIDE INSERTS: 

CMD180   R100   B1-1/8

 

STYLE OF WHEEL:

IF GRINDING HORIZONTALLY       USE D1A1

IF GRINDING VERTICALLY           USE D11V9

TAKE .0001/.0003” DEEP PASSES IF GRINDING DRY.

TAKE .0002/.0005” DEEP PASSES IF GRINDING WET.

FOR BEST RESULTS TRUE UP WHEEL AS PER GRINDING WHEEL MANUFACTURER’S INSTRUCTIONS AS NEEDED.

*******************  WARNING  *********************

IT IS ALWAYS IMPORTANT TO BE CERTAIN THAT INSERT IS CLAMPED SECURELY IN THE TOOL HOLDER.  IF INSERT IS NOT CLAMPED SECURELY MACHINE DAMAGE OR PERSONAL INJURY CAN RESULT.

 EXTRA CARE MUST BE TAKEN WHEN YOU HAVE RESHARPENED THE INSERT (INCLUDING THE 3/32” SPACER WHEN USED) DOWN TO ABOUT 7/32” TOTAL THICKNESS SINCE IT WILL NO LONGER BE POSSIBLE TO CLAMP THE INSERT IN THE HOLDER.  THIS IS DONE INTENTIONALLY SO THAT INSERT WILL NOT BE USED WHEN IT’S THICKNESS IS LESS THAN THAT WHICH IS REQUIRED TO SUPPORT THE CUTTING EDGE.

THEREFORE, IT IS IMPORTANT TO BE CERTAIN THAT CLAMP IS ACTUALLY CLAMPING ON INSERT, HOLDING IT SECURELY IN THE HOLDER AND NOT MERELY BOTTOMING OUT.

*******************  WARNING  *********************