The problem related to the difficult to making screw milling cutter welding blank has been solved successfully by using suitable forming process and sintering process.

采用合理的成形工艺和烧结工艺，成功地解决了螺旋铣刀毛坯生产难的问题。

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During shape gear was toothed with gear machined, the movement of cutter head, shape wheel and wheel blank had same thread speed.

当产形齿轮与被加工齿轮啮合，刀盘、产形轮和轮坯的运动具有相同线速度。

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The control of fixed length cutter for high speed flying shear with double rollers is one of the problems which is needed to solve in the processing line for cutting hot plate blank.

高速飞剪的定长切头控制是热板坯剪切线中需要解决的课题之一，本文着重介绍了定长切头的意义、控制思想及控制方案，并对部分参数进行模拟计算。

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