The technology for boring-reaming the bolt hole of pin connecting original main shaft with new runner of turbine in site of Danjiangkou hydropower plant and its effect are described.

介绍了丹江口电厂在机组改造增容中新转轮与原大轴连接销钉螺栓孔工地同镗铰所采用的方法及达到的效果。

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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.

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。

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