A simple dynamic model to describe the grinding behavior in bound abrasive microgrinding of optical materials with CNC (Computerized Numerical Control) machining equipment is discussed and compared with data collected from direct measurement of grinding force. The model involves the relation between grinding force and material removal rate, machine stiffness, and tool condition. Measurements have shown that the tool’s effectiveness and the workpiece surface quality are closely tied through the normal load exerted by the tool on the workpiece during grinding.

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