关节臂式坐标测量机热变形误差建模及补偿

doi:10.3969/j.issn.1000-1158.2019.01.11

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Abstract The kinematic equation of the thermal deformation error of the AACMM is established. The temperature variation and the measurement error variation trend of the main structural parameters of the AACMM are studied at the experimental temperature of about 20 ℃. A thermal deformation error compensation model based on multiple linear regression method is established and validated. The results show that the AACMM operating temperature rise up to 3℃, measurement error increases with temperature tends to increase, the maximum length measurement error of up to 0.115 mm. And the thermal deformation error compensation of AACMM is realized, the average length measurement error decreased from 0.0715 mm to 0.033 5 mm. The measurement accuracy of the AACMM is improved to a certain extent.

Key words： metrology AACMM thermal deformation error compensation multiple linear regression

Received: 21 September 2017 Published: 07 January 2019

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TB92

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	Articles by authors
	LUO Zai
	LIU Hui
	CUI Xue-wei
	LI Dong
	TIAN Kun

Cite this article:

LUO Zai,LIU Hui,CUI Xue-wei, et al. Modeling and Compensation of Thermal Deformation Error of Articulated Arm Coordinate Measuring Machine[J]. Acta Metrologica Sinica, 2019, 40(1): 71-77.

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http://jlxb.china-csm.org:81/Jwk_jlxb/EN/10.3969/j.issn.1000-1158.2019.01.11 OR http://jlxb.china-csm.org:81/Jwk_jlxb/EN/Y2019/V40/I1/71

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