Milli-component forming of rectangular cup drawing

doi:10.1016/S0924-0136(01)00695-1

Milli-component forming of rectangular cup drawing

2001-06-01

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DOI：10.1016/S0924-0136(01)00695-1

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Milli-structure components are classified as a component group for which the size is between macro- and micro-scales, i.e., less than about 20 mm and larger than 1 mm. The forming of these components has the typical phenomenon of bulk deformation with thin sheets because of the forming. size. In this study, milli-structure rectangular cup drawing is analyzed and designed using the finite element method and experiment. Usually milli-structure containers or cases such as those of cellular phone vibrators and battery cases consist of rectangular-shaped drawings to save installation space. A systematic approach is established for the design of the forming processes for rectangular milli-structure cases. For the consideration of bulk forming effects, 8-node brick elements are used in the analysis and design of the milli-structure forming process. Also spring-back and cracking during forming will be discussed. The result of the finite element analysis is confirmed by that from a series of experiments. (C) 2001 Elsevier Science B.V. All rights reserved.

Keyword:

milli-structure

cellular phone vibrator

rectangular cup drawing

FEM

Milli-component forming of rectangular cup drawing

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