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Abstract: The forging process of rear case blank is analyzed with
numerical simulation technique. The reasons that cause converging
winkles at flange and projecting circular corner are revealed,
reasonable plans are got by simulating the adjusting process of blank
dimensions and dies. The rear case problems of converging winkles in
manufacturing process are solved successfully.
Key words: Rear case blank Forming defect Numerical simulation
CLC No: TB115
Received
20010416, received in revised form 20010912
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