Abstract

Generally, aspheric surfaces require extra high accuracy and roughness and need to be polished further after being shaped. Because the interaction between tool and work-piece in polishing process is compliant, rather than the kind of rigid cutting, the machining quality and machining process are closely allied to the physical properties of the work-piece material. A new three-degree-of-freedom hybrid position/force servo polishing system, which is based on universal CNC Lathe, is developed, and the effect of work-piece materials on the polishing process and processing quality of aspheric surfaces is studied after aspheric parts are compliantly polished in accordance with the Preston removal regulation in this paper.

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