The Pre-Travel Error Study of Electrical Trigger Probe in On-Machine Measurement

On-machine measurement is a high-efficient measure method in NC machining, and there are pre-travel errors during measurement. What is more, these errors tend to present anisotropy, and affect the measurement accuracy. This paper aimed at measuring the anisotropy of probe’s pre-travel error. First,...

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Bibliographic Details
Published in:Key Engineering Materials 2016-05, Vol.693, p.1466-1473
Main Authors: Yao, Xiang Kai, Mo, Xiang, Cai, Yong Lin, Sun, Wei Qing, Cui, Ning Ning
Format: Article
Language:English
Subjects:
Anisotropy
Backlash
Error analysis
Errors
Machine tools
Machining
Mathematical models
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Summary:On-machine measurement is a high-efficient measure method in NC machining, and there are pre-travel errors during measurement. What is more, these errors tend to present anisotropy, and affect the measurement accuracy. This paper aimed at measuring the anisotropy of probe’s pre-travel error. First, the standard ball is measured by changing the probe angle with the same machine tool moving direction, and the pre-travel errors with different probe angles under the same machine tool errors are obtained. Then, the machine tool backlash errors are measured and compensated, and the pre-travel errors with different probe angle are obtained. Finally, the mathematical model of pre-travel error is established. The method proposed in this paper can be used to determine probe’s pre-travel error with anisotropy.
ISSN:1013-9826
1662-9795
1662-9795
DOI:10.4028/www.scientific.net/KEM.693.1466