Complex shape product tolerance and accuracy control method for virtual assembly

Huiping Ma; Yuanqiang Jin; Xiaoguang Zhang; Hai Zhou

doi:10.1117/12.2181134

6 March 2015 Complex shape product tolerance and accuracy control method for virtual assembly

Huiping Ma, Yuanqiang Jin, Xiaoguang Zhang, Hai Zhou

Proceedings Volume 9446, Ninth International Symposium on Precision Engineering Measurement and Instrumentation; 94462E (2015) https://doi.org/10.1117/12.2181134
Event: International Symposium on Precision Engineering Measurement and Instrumentation, 2014, Changsha/Zhangjiajie, China

Abstract

The simulation of virtual assembly process for engineering design lacks of accuracy in the software of three-dimension CAD at present. Product modeling technology with tolerance, assembly precision preanalysis technique and precision control method are developed. To solve the problem of lack of precision information transmission in CAD, tolerance mathematical model of Small Displacement Torsor (SDT) is presented, which can bring about technology transfer and establishment of digital control function for geometric elements from the definition, description, specification to the actual inspection and evaluation process. Current tolerance optimization design methods for complex shape product are proposed for optimization of machining technology, effective cost control and assembly quality of the products.

Citation Download Citation

Huiping Ma, Yuanqiang Jin, Xiaoguang Zhang, and Hai Zhou "Complex shape product tolerance and accuracy control method for virtual assembly", Proc. SPIE 9446, Ninth International Symposium on Precision Engineering Measurement and Instrumentation, 94462E (6 March 2015); https://doi.org/10.1117/12.2181134

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