Min-max load model for optimizing machining fixture performance

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Abstract

Spherical-tipped locators and clamps are often used for the restraint of castings during machining. For structurally rigid castings, contact region deformation and micro-slippage are the predominant modes of workpiece displacement. In turn contact region deformation and micro-slippage are heavily influenced by contact region loading. Maximum loading magnitude has been shown to be a good indicator of workpiece displacement. This paper presents an algorithm which uses the min-max loading criteria as a basis for determining the optimal layout of locators and clamps as well as clamp actuation intensities. The experimentation used for model validation is also discussed along with experimental results.

Original languageEnglish (US)
Pages (from-to)186-193
Number of pages8
JournalJournal of engineering for industry
Volume117
Issue number2
DOIs
Publication statusPublished - Jan 1 1995

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All Science Journal Classification (ASJC) codes

  • Engineering(all)

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