CMM probe compensation methods for measuring complex screw surface

Qiancheng Zhao; Tianlong Yang; Xiyun Yin

doi:10.1117/12.2015029

31 January 2013 CMM probe compensation methods for measuring complex screw surface

Qiancheng Zhao, Tianlong Yang, Xiyun Yin

Proceedings Volume 8759, Eighth International Symposium on Precision Engineering Measurement and Instrumentation; 87590T (2013) https://doi.org/10.1117/12.2015029
Event: International Symposium on Precision Engineering Measurement and Instrumentation 2012, 2012, Chengdu, China

Abstract

At present, probe compensation is the key problem in measuring geometric parameters of complex screw surface with CMM due to its complicated 3D shape, aiming at this problem, some new measurement methods are proposed based on geometric feature models, expressing the screw surface and its offset surface separately. Supposing the parameter lead of a screw surface is known, it’s realized by scanning one single profile to complete probe compensation and calculate out all parameters, and the probe compensation is done by two improved methods, named as modified cross product and offset surface virtual measurement respectively, the theory and detailed process of which are discussed in this paper. After performing systematic experiments of profile scan, probe compensation and error evaluation, results show that the new measurement methods provide higher precision, stability and realizability.

Citation Download Citation

Qiancheng Zhao, Tianlong Yang, and Xiyun Yin "CMM probe compensation methods for measuring complex screw surface", Proc. SPIE 8759, Eighth International Symposium on Precision Engineering Measurement and Instrumentation, 87590T (31 January 2013); https://doi.org/10.1117/12.2015029

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