针对加工六缸曲轴主轴颈孔、连杆颈直油孔的需要而设计的卧式双面多工位数控钻削组机。

Horizontal double sided NC combined drilling machine is specially designed for the machining of main shaft journal hole and crank arm journal straight oil hole of crankshaft with six cylinders.

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针对用户的加工对象要求，详细讨论数控双面钻窝机的机械结构和电控部分的设计。

According to the demands of the processing object of user, discusses detailed the design of machinery construction and electric control parts used for NC double sided counter drilling machine.

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双面抛光已成为硅晶片的主要后续加工方法，但由于需要严格的加工条件，很难获得理想的超光滑表面。

Double sided polishing process has become a main machining method for silicon wafer finishing process, but it is difficult to get ultra-smooth surface with the very stringent machining conditions.

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