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Statistical analysis of positioning error of a CNC milling machine

โœ Scribed by A. Donmez; C.R. Liu; M. Barash; F. Mirski

Publisher
Society of Manufacturing Engineers
Year
1982
Tongue
English
Weight
570 KB
Volume
1
Category
Article
ISSN
0278-6125

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โœฆ Synopsis

The characteristics of the positioning error of a NC milling machine were studied through statistical analysis. It was found that (1) the mean of the error is significantly affected by the table position, (2) the variances of the error at different table positions are from the same population, and (3) the effect of the feedrate on positioning error is not significant. Also, a software correction technique was applied and workpiece error was decreased by 40%.

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