Inverse Error Analysis for Multi-axis Machines

[+] Author and Article Information
P. D. Lin

Mechanical Engineering Department, National Cheng Kung University, Tainan, Taiwan 701, Republic of China

K. F. Ehmann

Mechanical Engineering Department, Northwestern University, 2145 Sheridan Rd., Evanston, IL 60208

J. Eng. Ind 118(1), 88-94 (Feb 01, 1996) (7 pages) doi:10.1115/1.2803651 History: Received July 01, 1989; Revised August 01, 1994; Online January 17, 2008


This paper discusses the problem of tolerance distribution among the links and joints of a multi-axis machine. By defining the maximum allowable tolerances for the position and orientation of the tool in the machine’s workspace, the allowable error tolerance limits of the link parameters and of the error motions of the joints are obtained. The solution of this problem, to be referred to as inverse error analysis, is of fundamental importance during the design stages of a new machine.

Copyright © 1996 by The American Society of Mechanical Engineers
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