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ZJUS-A
Journal of Zhejiang University-SCIENCE A (Applied Physics & Engineering)  2015, Vol. 16 Issue (5): 361-370    DOI: 10.1631/jzus.A1400237
Special part-issue for selected papers of the 13th CIRP CAT 2014     
A statistical method to identify main contributing tolerances in assemblability studies based on convex hull techniques
Philipp Ziegler, Sandro Wartzack
Applied Analysis, University Rostock, Rostock 18057, Germany; Engineering Design KTmfk, FAU Erlangen-Nürnberg, Erlangen 91058, Germany
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Abstract  In tolerancing, it is important to obtain recommendations from tolerance simulation results for optimizing tolerance values or the tolerance scheme. For this purpose, sensitivity analysis identifies the importance of single input parameters for received simulation results. This paper presents a method to adopt global sensitivity analysis methods on convex hull based tolerancing techniques, such as deviation domains. The focus of this paper lies on assemblability studies, in which the simulation output is a clearance. A method to estimate the influence of single part tolerances on the assembly clearance is proposed and performed for a pin-hole connection.

Key words： Tolerance-Maps      Deviation domain      Assemblability      Sensitivity analysis      Statistical tolerance analysis     
Received: 30 July 2014      Published: 04 May 2015
CLC:  TH161  
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Philipp Ziegler
Sandro Wartzack
Cite this article:

Philipp Ziegler, Sandro Wartzack. A statistical method to identify main contributing tolerances in assemblability studies based on convex hull techniques. Journal of Zhejiang University-SCIENCE A (Applied Physics & Engineering), 2015, 16(5): 361-370.

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http://www.zjujournals.com/xueshu/zjus-a/10.1631/jzus.A1400237     OR     http://www.zjujournals.com/xueshu/zjus-a/Y2015/V16/I5/361

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