Preliminary results presented in this report showed that double sidegrinding produces very good surface finish, a high precision, and high material, removal rates, in short processing.
本文的研究结果表明，双端面磨削可以在很短的加工时间内获得极高的表面光洁度、高的精度和高的磨除率。
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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.
It may decrease fatigue damage causing by rolling contact and side damage on track and prolong rail service life 0.5 ~ 1 time by means of grinding rail track.