Evaluation Of Numerically Controlled Machine
Tool Positioning Accuracy
Author(s)
S. Ueno & S. Matsumam
Abstract
The method of measuring machine tool positioning accuracy is specified by the
IS0230-2; Determination of accuracy and repeatability of positioning of
numerically controlled machine tool axes. Various parameters that quantify
machine tool positioning conditions are specified in this test code, such as A, B, R,
E and M. These parameters have been used since the code was published in 1988.
However, few specialists understand the relationship between these variables. Ths
paper highlights these relationshps and reports statistical analysis results based on
the test results of nearly 100 NC machining centers. The results indicate the
behavior of rnachne tools actually used on the shop floor. The tendencies are
different fiom those of new machme tools, for example a significant increase in
the B (reversal values caused by
Keywords
Related Book
Other papers in this volume
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