Effect of Cutter Performance on Finished Tooth Form in Gear Shaving

[+] Author and Article Information
I. Moriwaki

Department of Mechanical and System Engineering, Kyoto Institute of Technology, Kyoto, Japan

M. Fujita

Precision Machinery Department, Kyoto Machinery Works, Mitsubishi Heavy Industries, Shiga, Japan

J. Mech. Des 116(3), 701-705 (Sep 01, 1994) (5 pages) doi:10.1115/1.2919439 History: Received December 01, 1991; Revised February 01, 1994; Online June 02, 2008


A computer program has been developed to simulate a gear shaving process. The present paper describes a new cutting model of a shaving process so as to incorporate the effect of a cutting performance of a shaving cutter into the simulation program. This cutting model is constructed on the assumption that an excess depth of cut over a certain criterion yields a material removal from a tooth flank of work gear. In addition, the criterion has no definite value, but its value shows the normal distribution. The mean value of the distribution can define a characteristic of cutting performance of the shaving cutter. A small mean value means that even small depth of cut can cause a stock removal. In other words, the cutter has a good cutting performance. After reliability being confirmed, computer simulations reveal an effect of the cutter performance on shaved tooth form. As a result, a pressure angle error on the shaved tooth profile becomes remarkable as the cutter performance becomes worse. Therefore, the developed computer simulation program is useful for the design of the shaving cutter and judgment of tool life expiring.

Copyright © 1994 by The American Society of Mechanical Engineers
Topics: Gears
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