Abstract

Abrasive machining takes place at numerous cutting edges of indeterminate shape with extremely small real contact areas. These conditions involve substantial rubbing and sticking that cause friction and generate high heat in the contact zone. Heat generated during abrasive machining can cause thermal damage to the machined workpiece. Process fluids reduce the amount of heat generated in the contact zone through lubrication, thus dissipating a considerable portion of it. Hence, process fluids strongly influence process efficiency and work quality. For most abrasive machining processes, the importance of process fluid cannot be overstated. Along with process fluid type and composition, filtration and supply (nozzle position, nozzle geometry, supplied flow rate, and jet characteristics) have a significant influence on abrasive machining productivity, abrasive wear rate and type, and workpiece quality. This chapter explains the types and compositions of process fluids.

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