Abstract

This chapter introduces basic material removal in grinding starting from regimes of rubbing, ploughing and chip formation, and progressing to parameters that govern material removal. Material removal depends not only on the basic removal parameters but also on the abrasive material and the stiffness of the grinding machine. Basic parameters for removal rate include set depth of cut, grinding forces, machine deflections, grinding width and feed rate. Real depth of cut and the required spark-out duration depend on the grinding machine stiffness and on the width of grinding contact. Deflections are shown to affect shape and size errors. A stiffness factor can be employed to calculate the required spark-out duration and reduce size errors. Specific removal rate, removal energy and specific energy are related to ease of grinding particular materials.

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