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。
2
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.