collar pin
... collar nut凸缘螺 collar pin凸缘销 collar thrust bearing环状止推轴承 ...
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带凸缘销 flanged pin
凸缘销钉 lug dowel
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分析和应用结果表明，造成销孔凸缘裂纹的原因是制造过程中定位误差等引起的冲击力、销孔的凸缘曲线结构不合理及应力三个因素引起的。
The result of the analysis and application show that the crack of pinhole rib is caused by the impact produced by fix error, the unreasonable structure of pinhole rib and internal stress.
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