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A METHOD OF IDENTIFYING INTERFACE CHARACTERISTIC FOR MACHINE TOOLS DESIGN

✍ Scribed by Y. LIN; W. CHEN

Publisher
Elsevier Science
Year
2002
Tongue
English
Weight
122 KB
Volume
255
Category
Article
ISSN
0022-460X

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✦ Synopsis

In order to develop the technology of calculating static and dynamic behavior of a new product during its design period without prototype, an identi"cation method for calculating interface characteristic of mechanical structure system is presented. The paper discusses an optimum algorithm, in which the contact sti!ness coe$cients are taken as design variables, aiming at minimizing the sum of squares of eigenfrequency di!erences between "nite element modes and their corresponding experimental modes, based on mode shape identi"cation. The corresponding software has been developed. Using the identi"ed parameters from an interface sample composed of one base and two columns, the eigenfrequency of mechanical structure system has been calculated and their accuracy has been veri"ed by testing.

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