... pilot materials 试生产材料 pin expansion test 插头膨胀试验 pin metal 针用黄铜 ...
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This paper mainly analysis the holes technics of the Expansion Pin stress Coining and the principle of the stress holes, discuss the lifetime under different condition by fatigue test.
本文主要分析孔的挤胀销棒应力压印工艺特点,挤压孔的受力机理分析,并通过疲劳试验观察不同条件下的寿命。
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