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CUTTERMASTER Professional CM-01P User’s Manual
Page 15
Grinding Wheel Truing & Dressing
In 2014 we realized that there were no simple braked truing devices in the market for benchtop tool
grinders so we designed one that is held in a 3/8 collet for easy set up. The spindle mounted wheel
truing device is a bit more complicated than it looks. It has three bearings in it and a 10000 RPM Des-
mond wheel that will do a great job bringing your wheel into true. Just mount it in the collet and bring
it past the wheel in such a way that it can scuff it into true. The Nylock nut should be adjusted so that
there is light resistance (ie. the wheel wont rotate freely).
Upon completion of the mechanical truing process (run out), a brake truing device, single point dia-
mond dresser, diamond nib, metal bonded wheel, or rotary diamond dresser will be used to complete
the trueing process for all bonds except plated. With one of the aforementioned devices, true until
you have achieved a reading on the indicator of 0.0005 inches. The abrasive and the bond type are
the most important criteria for deciding the type of trueing and/or dressing system to use. For trueing
only with a point contact, never in-feed more than 0.0005” (0.013mm) per pass for super abrasives
(CBN or Diamond), or more than 0.0015” (0.04mm) per pass for conventional abrasives.
Conventional abrasives (aluminum oxide and silicon carbide) can be trued and dressed at the same
time, using a single point dresser. The conventional abrasive is quite friable (friability = ease with
which an abrasive fractures). This means a quality diamond with a carat size appropriate for the di-
ameter of the wheel, thickness of the wheel and abrasive grain size should be used.
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