Development and calibration of a 3-PSS parallel CMM

Jing Wang; Penghao Hu; Songyuan Li; Xinxin Bao

doi:10.1117/12.2014473

31 January 2013 Development and calibration of a 3-PSS parallel CMM

Jing Wang, Penghao Hu, Songyuan Li, Xinxin Bao

Proceedings Volume 8759, Eighth International Symposium on Precision Engineering Measurement and Instrumentation; 875953 (2013) https://doi.org/10.1117/12.2014473
Event: International Symposium on Precision Engineering Measurement and Instrumentation 2012, 2012, Chengdu, China

Abstract

A new 3-DOF parallel Coordinate Measuring Machine was proposed in this paper, which could realize 3D measured with only one linear grating and one precision guide. A kind of calibration method based on the distance of two points is proposed. In the scheme gauge block is utilized as benchmark, Gauss-Newton method, a non-linear least square computational method, is used to solve the measuring equation of the CMM, to get the precise parameter of the machine. Experimental results show that this method can effectively improve the over-all accuracy of the 3-PSS CMM. The further study is in process, we will identify the actual values of input parameter errors and mechanical errors in the software compensation.

Citation Download Citation

Jing Wang, Penghao Hu, Songyuan Li, and Xinxin Bao "Development and calibration of a 3-PSS parallel CMM", Proc. SPIE 8759, Eighth International Symposium on Precision Engineering Measurement and Instrumentation, 875953 (31 January 2013); https://doi.org/10.1117/12.2014473

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