Experimental comparison of non-contact and tactile R-Test instruments in dynamic measurement

Ibaraki Soichi

Onodera Koki

Jywe Wen-Yuh

Hsu Chia-Ming

Chang Yu-Wei

The International Journal of Advanced Manufacturing Technology

The R-Test measures the three-dimensional displacement of a tool center point with respect to a work table in five-axis machine tool, as linear axes are driven synchronously with a rotary axis. This paper experimentally compares the measuring performance of the R-Test instruments with (1) tactile linear displacement sensors, (2) laser displacement sensors based on the refraction in a glass ball lens (Laser R-Test), and (3) laser interferometers, in dynamic tests described in ISO 10791- 6:2014. A tactile displacement sensor pushes its measuring contact to the target surface by a spring, and its stiffness can limit the measurement bandwidth. This paper experimentally investigates this influence in the measurement of dynamic synchronization error of rotary and linear axes particularly near the reversal point in the present tests. This paper also presents a test to measure the bandwidth of a tactile displacement sensor

R-Test

Five-axis machine tools

Dynamic measurement

Geometric errors

eng

Springer Nature

This version of the article has been accepted for publication, after peer review (when applicable) and is subject to Springer Nature’s AM terms of use, but is not the Version of Record and does not reflect post-acceptance improvements, or any corrections. The Version of Record is available online at: https://doi.org/10.1007/s00170-023-12178-3

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[DOI] https://doi.org/10.1007/s00170-023-12178-3 isVersionOf