Computer Aided Geometric Tolerance Specification in 3D-CAD System

Guo Wei Li; Wei Min Zhang; Peng Zhong Li; Yi Zhou Zhu

doi:10.4028/www.scientific.net/AMM.34-35.1238

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 34-35Computer Aided Geometric Tolerance Specification...

Computer Aided Geometric Tolerance Specification in 3D-CAD System

Abstract:

Tolerance specification is the activity of specifying tolerances. In current 3D-CAD system, tolerance types and tolerance values are specified by designer manully, and the validity checking of tolerance is no available. To achieve semi-automatic tolerance specification, geometric feature in the next-generation Geometrical Product Specifications and Verification (GPS) was introduced, the corresponding rules between geometric features and tolerance types were presented; The recommended values for tolerance were stored in a database system and constrainted by tolerance principles. Additionally, the implementation of computer aided geometric tolerance specification was proposed. Finally, the initial prototype system was developed to demonstrate the proposed scheme, which aides designer to define reasonable tolerance types and tolerance values in 3D-CAD system.

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Periodical:

Applied Mechanics and Materials (Volumes 34-35)

Pages:

1238-1242

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.34-35.1238

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Online since:

October 2010

Authors:

Guo Wei Li, Wei Min Zhang, Peng Zhong Li, Yi Zhou Zhu

Keywords:

Geometric Feature, Geometric Tolerance, Tolerance Specification, Tolerance Type, Tolerance Value

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References

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