Optimization of fixturing condition by means of the genetic algorithm

Yoshiaki Ishikawa, Tojiro Aoyama

Research output: Contribution to journalArticle

15 Citations (Scopus)

Abstract

The fixturing process for holding and locating workpieces on machine tools is essential in manufacturing systems. This process is one of the important factors affecting machining accuracy and has so far been carried out manually by skilled workers. In order to realize fully automated manufacturing systems in the near future, particularly in small-batch machining and assembly, it is necessary to automate the fixturing process. One of the key factors in realizing an automatic fixturing process is to develop a fixturing support system. This system provides several important items of information for fixturing such as positions of fixtures and fixturing forces. In this study, a new fixturing support system is proposed. The elastic deformation of the workpiece caused by the fixturing force is analyzed by the finite element method, and the optimum fixturing position which gives the minimum form error of the surface to be machined is determined. The genetic algorithm is applied to the optimization process of the fixturing condition.

Original languageEnglish
Pages (from-to)2409-2416
Number of pages8
JournalNippon Kikai Gakkai Ronbunshu, C Hen/Transactions of the Japan Society of Mechanical Engineers, Part C
Volume62
Issue number598
DOIs
Publication statusPublished - 1996 Jan 1
Externally publishedYes

ASJC Scopus subject areas

  • Mechanics of Materials
  • Mechanical Engineering
  • Industrial and Manufacturing Engineering

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