MACHINE STRUCTURE REFINEMENT USING FEM AND EXPERIMENTAL TECHNIQUES.

Steven Hsin-Yi Lai

MACHINE STRUCTURE REFINEMENT USING FEM AND EXPERIMENTAL TECHNIQUES.

Department of Mechanical Engineering

Research output: Contribution to journal › Conference article › peer-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 language	English
Journal	American Society of Mechanical Engineers (Paper)
Publication status	Published - 1986 Dec 1

All Science Journal Classification (ASJC) codes

Mechanical Engineering

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title = "MACHINE STRUCTURE REFINEMENT USING FEM AND EXPERIMENTAL TECHNIQUES.",

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.",

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T1 - MACHINE STRUCTURE REFINEMENT USING FEM AND EXPERIMENTAL TECHNIQUES.

AU - Lai, Steven Hsin-Yi

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N2 - 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.

AB - 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.

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M3 - Conference article

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JO - American Society of Mechanical Engineers (Paper)

JF - American Society of Mechanical Engineers (Paper)

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