Identification of machining defects by Small Displacement Torsor and form parameterization method

Details Identification of machining defects by Small Displacement Torsor and form parameterization method Identification of machining defects by Small Displacement Torsor and form parameterization method

2011-02-15

arxiv.org/abs/1102.3171v1

Proceedings of IDMME - Virtual Concept 2010 Bordeaux, France, October 20 -- 22, 2010 (2010) 1-6

Physics

General Physics

Scientific paper

In the context of product quality, the methods that can be used to estimate machining defects and predict causes of these defects are one of the important factors of a manufacturing process. The two approaches that are presented in this article are used to determine the machining defects. The first approach uses the Small Displacement Torsor (SDT) concept [BM] to determine displacement dispersions (translations and rotations) of machined surfaces. The second one, which takes into account form errors of machined surface (i.e. twist, comber, undulation), uses a geometrical model based on the modal shape's properties, namely the form parameterization method [FS1]. A case study is then carried out to analyze the machining defects of a batch of machined parts.

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