The error model and experiment of measuring angular position error based on laser collimation

Yangyang Cai; Jing Yang; Jiakun Li; Qibo Feng

doi:10.1117/12.2292175

12 January 2018 The error model and experiment of measuring angular position error based on laser collimation

Yangyang Cai, Jing Yang, Jiakun Li, Qibo Feng

Proceedings Volume 10621, 2017 International Conference on Optical Instruments and Technology: Optoelectronic Measurement Technology and Systems; 1062114 (2018) https://doi.org/10.1117/12.2292175
Event: International Conference on Optical Instruments and Technology 2017, 2017, Beijing, China

Abstract

Rotary axis is the reference component of rotation motion. Angular position error is the most critical factor which impair the machining precision among the six degree-of-freedom (DOF) geometric errors of rotary axis. In this paper, the measuring method of angular position error of rotary axis based on laser collimation is thoroughly researched, the error model is established and 360 ° full range measurement is realized by using the high precision servo turntable. The change of space attitude of each moving part is described accurately by the 3×3 transformation matrices and the influences of various factors on the measurement results is analyzed in detail. Experiments results show that the measurement method can achieve high measurement accuracy and large measurement range.

Citation Download Citation

Yangyang Cai, Jing Yang, Jiakun Li, and Qibo Feng "The error model and experiment of measuring angular position error based on laser collimation", Proc. SPIE 10621, 2017 International Conference on Optical Instruments and Technology: Optoelectronic Measurement Technology and Systems, 1062114 (12 January 2018); https://doi.org/10.1117/12.2292175

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