Home >  Term: 曲柄
曲柄

一只胳膊键控与一个轴直角，并用于更改旋转半径或更改为圆形运动或往复运动向圆周运动的往复运动。对抽油机，曲柄连接由彼特曼到步进梁，从而更改圆形运动为往复运动。

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