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

Yong Lin Cai; Ning Ning Cui; Xiang Mo; Xiang Kai Yao; Wei Qing Sun

doi:10.4028/www.scientific.net/KEM.693.1466

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HomeKey Engineering MaterialsKey Engineering Materials Vol. 693The Pre-Travel Error Study of Electrical Trigger...

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

Abstract:

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.

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Periodical:

Key Engineering Materials (Volume 693)

Pages:

1466-1473

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.693.1466

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Online since:

May 2016

Authors:

Yong Lin Cai*, Ning Ning Cui, Xiang Mo, Xiang Kai Yao, Wei Qing Sun

Keywords:

Error Anisotropy, On-Machine Measurement, Pre-Travel Error

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