提出螺旋锥齿轮超声振动复合研磨的方法，介绍了其原理；
The method of ultrasonic vibration lapping on the spiral-bevels and hypoid gears was first presented.
根据软基体研磨膜的使用特点和聚酰亚胺的特性，研究聚酰亚胺与金刚石制作复合研磨膜的可能性。
According to the operational performance of grinding film with soft base and characteristic of polyimide, the possibility to make composite grinding film of polyimide with diamond is researched.
成功的试制成了覆盖有镍-铁-金刚石复合电刷镀层的钢球研磨板。
Finally steel balls millstone covering with Ni-Fe-diamond composite electro-brush plating film is produced successfully.
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