| 摘要 |
PURPOSE: A 7000 group aluminum alloy cellular phone exterior element is provided to prevent existing strength lack problem by the board use of the AL5000 series. CONSTITUTION: A 7000 group aluminum alloy cellular phone exterior element comprises a banding slide cam(224) and a banding support slide cam. The banding slide cam removes the curved part using a locking block(221) and an operational spring(225). The banding support slide cam prevents the backward movement of a material in a forging process. The operation of the banding support slide cam is operated with a locking block and a support slide cam operational spring.
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