Journal
JOURNAL OF MANUFACTURING SCIENCE AND ENGINEERING-TRANSACTIONS OF THE ASME
Volume 127, Issue 4, Pages 752-758Publisher
ASME
DOI: 10.1115/1.2034511
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Rotary ultrasonic machining (RUM) is a relatively low cost and environmentally benign process for machining of advanced ceramics. Much effort has been made to theoretically and experimentally investigate material removal rate, surface roughness, and tool wear in RUM. However there is no report on systematic study of edge chipping in RUM drilling of ceramics. This paper presents the results of a study oil edge chipping in RUM drilling of advanced cerantics. The study is conducted by all integrated approach, combining designed experiments and FEM (finite element method) analysis. The designed experiments will reveal the main effects as well as interaction effects of process variables (spindle speed, ultrasonic power, feedrate, and grit size) oil cutting force and chipping thickness. FEM simulations will provide the stress and strain distributions in the workpiece while being drilled by RUM. Furthermore, the relationship between chipping thickness and cutting force obtained from the FEM simulations will be compared with that obtained from the designed experiments.
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