The manufacturability of stamping for the rock arm was analyzed. The general structure and the stock layout design proposal of the progressive die were introduced.

分析了摇臂件的冲压工艺性，介绍了其级进模总体结构及排样设计方案。

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Aim to the serious subfilling of the crank arm, the construction of"constrained wing"was presented to form the favorable die filling instead of increasing the forging size.

提出“约束翼”新型结构，对曲柄臂严重缺料的情况下，在不增加锻件的下料尺寸，成形质量良好的曲轴锻件；

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The design of die structure has much influence on shape dimension and precision of the formed crank-arm with a non elliptical section.

对于非椭圆截面曲臂的大型曲轴，其模具结构设计对曲轴成形后的形状尺寸精度影响极大。

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Unlike the batteries in traditional arms, which die quickly, a small canister of hydrogen peroxide concealed in the arm can last up to 18 hours, and provides about the same power and functionality of a human arm.

ENGADGET: Rocket-powered mechanical arm might boost prosthetic tech