Valve seat and the oil is even a pair of precision parts, after the pair are not interchangeable grinding, and its clearance of 0.01.
出油阀和出油阀座也是一对精密偶件，配对研磨后不能互换，其配合间隙为0.01。
The current involute spline broach is analyzed, the grinding technology of involute spline broach with side clearance is described, the profile is designed, and profile error is analyzed.
分析了现有渐开线花键拉刀的缺陷，提出带侧刃后角的渐开线花键拉刀的磨削工艺，并进行了齿形设计及齿形误差分析。
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