Grinding forces and energy play an important role in all abrasive machining operations. While specific grinding energy may be obtained from workpiece dynamometer values or by measuring spindle power, care must be exercised in converting dynamometer reading into power consumed. This is particularly true for operations involving a large ratio of wheel depth of cut to wheel diameter or when the radial force on the wheel is large relative to the tangential component. Interpretation of workpiece dynamometer results are discussed and several specific examples are considered including the diamond sawing of granite and the creep feed grinding of metal.

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