MACHINE STRUCTURE REFINEMENT USING FEM AND EXPERIMENTAL TECHNIQUES.

Research output: Contribution to journalConference articlepeer-review

Abstract

In a preliminary study on the machining accuracy of a jig boring operation, the structure of a modified universal milling machine was found defective. A project investigating possible design defects for the future refinement of the structure was conducted using a proposed simulated physical model. Two methods, one being computer-analytic and the other time-domain experimental, were introduced to help the design of a simplified spindle-head-column physical structure. The model was constructed graphically in a CAD workstation with the aid of finite element analysis (FEA). The structural dynamics was verified by a time-domain experimental modal analysis (TMA) method. In an automatic modeling procedure, the mathematical analogy of the structure and the related parameters of each dynamic mode were identified in sequence.

Original languageEnglish
JournalAmerican Society of Mechanical Engineers (Paper)
Publication statusPublished - 1986 Dec 1

All Science Journal Classification (ASJC) codes

  • Mechanical Engineering

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