Including geometric feature variations in tolerance analysis of mechanical assemblies.: An article from: IIE Transactions
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ISBN / ASINB00096P1FE
ISBN-13978B00096P1F8
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This digital document is an article from IIE Transactions, published by Institute of Industrial Engineers, Inc. (IIE) on October 1, 1996. The length of the article is 7838 words. The page length shown above is based on a typical 300-word page. The article is delivered in HTML format and is available in your Amazon.com Digital Locker immediately after purchase. You can view it with any web browser.
From the author: Geometric feature variations are the result of variations in the shape, orientation or location of part features as defined in ANSI Y14.5M-1982 tolerance standard. When such feature variations occur on the mating surfaces between components of an assembly, they affect the variation of the completed assembly. The geometric feature variations accumulate statistically and propagate kinematically in a similar manner to the dimensional variations of the components in the assembly. The direct linearization method (DLM) for assembly tolerance analysis provides a means of estimating variations and assembly rejects, caused by the dimensional variations of the components in an assembly. So far no generalized approach has been developed to include all geometric feature variations in a computer-aided tolerance analysis system. This paper introduces a new, generalized approach for including all the geometric feature variations in the tolerance analysis of mechanical assemblies. It focuses on how to characterize geometric feature variations in vector-loop-based assembly tolerance models. The characterization will be used to help combine the effects of all variations within an assembly to predict assembly rejects using the DLM.
Citation Details
Title: Including geometric feature variations in tolerance analysis of mechanical assemblies.
Author: Kenneth W. Chase
Publication:IIE Transactions (Refereed)
Date: October 1, 1996
Publisher: Institute of Industrial Engineers, Inc. (IIE)
Volume: v28 Issue: n10 Page: p795(13)
Distributed by Thomson Gale
From the author: Geometric feature variations are the result of variations in the shape, orientation or location of part features as defined in ANSI Y14.5M-1982 tolerance standard. When such feature variations occur on the mating surfaces between components of an assembly, they affect the variation of the completed assembly. The geometric feature variations accumulate statistically and propagate kinematically in a similar manner to the dimensional variations of the components in the assembly. The direct linearization method (DLM) for assembly tolerance analysis provides a means of estimating variations and assembly rejects, caused by the dimensional variations of the components in an assembly. So far no generalized approach has been developed to include all geometric feature variations in a computer-aided tolerance analysis system. This paper introduces a new, generalized approach for including all the geometric feature variations in the tolerance analysis of mechanical assemblies. It focuses on how to characterize geometric feature variations in vector-loop-based assembly tolerance models. The characterization will be used to help combine the effects of all variations within an assembly to predict assembly rejects using the DLM.
Citation Details
Title: Including geometric feature variations in tolerance analysis of mechanical assemblies.
Author: Kenneth W. Chase
Publication:IIE Transactions (Refereed)
Date: October 1, 1996
Publisher: Institute of Industrial Engineers, Inc. (IIE)
Volume: v28 Issue: n10 Page: p795(13)
Distributed by Thomson Gale
