粗铣齿是精加工铣齿的前道工序，它影响齿轮的加工效率也影响齿面的最终加工精度。
The rough gear milling is the preceding working procedure of finish gear milling, which influences not only the machining efficiency of gear but also the final machining accuracy of tooth flank.
但是在冷滚轧加工过程中，金属的弹性恢复对花键的最终尺寸精度以及齿形质量有一定的影响。
But because of the elasticity recovery of metal in rolling manufacturing procedure, the gear form and precision of the spline are influenced.
通过反复改变工艺系统的参数，最终有效地提高了工件的表面质量，保证了工件的加工精度，从而在由工艺系统弥补编程系统的不足方面做了有益的尝试。
Because of the effect of CPU-calculating speed, the procedure of machining is carried out point by point from calcuation to cutting intermittently , leading to poor surface quality on the workpiece.
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