Error modeling for tailored blank laser welding machine

Liming Xin; Zhigang Xu; Mingyang Zhao; Tianxu Zhu

doi:10.1117/12.819757

31 December 2008 Error modeling for tailored blank laser welding machine

Liming Xin, Zhigang Xu, Mingyang Zhao, Tianxu Zhu

Proceedings Volume 7130, Fourth International Symposium on Precision Mechanical Measurements; 71305H (2008) https://doi.org/10.1117/12.819757
Event: Fourth International Symposium on Precision Mechanical Measurements, 2008, Anhui, China

Abstract

This paper introduces the research on error modeling of tailored blank laser welding machine which has four linear axes. The error models are established based on multi-body system (MBS) theories which are developed in this paper. The number arrays of low-order body are used to describe the topological structures which are taken to generalize and refine MBS, and the characteristic matrices are employed to represent the relative positions and gestures between any two bodies in MBS. Position error associated function which can reflect the influence of each error origin on the positioning error of the machine tool is given to describe transmission error of the machine in detail. Based on this method, the paper puts forward the error model of the tailored blank laser welding machine. The measurement and evaluation of their error parameters start, after complete error modeling of the machine. Leica Laser Tracker is introduced to measure the errors of the machine and to check the result of the error model.

Citation Download Citation

Liming Xin, Zhigang Xu, Mingyang Zhao, and Tianxu Zhu "Error modeling for tailored blank laser welding machine", Proc. SPIE 7130, Fourth International Symposium on Precision Mechanical Measurements, 71305H (31 December 2008); https://doi.org/10.1117/12.819757

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