本文在冲压成型外圈的锁紧斜面尺寸难以修改的前提下，分析了其配用的滚针或轴（内圈）的几何尺寸变化对摩擦角的影响。
The analysis of the friction angle effected by the dimension tolerances of the needles and shaft are given in this paper.
在计算中，考虑了测针与针孔壁间的附加摩擦力，以及测针端部凸出压板表面的高度对实测结果的影响，并分别进行了修正。
The effects of additional friction between pin and pin-hole and of the height of pin over the press-plate surface on the practically measured values was taken into account and their corrections were …
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