曲轴的作用是把往返力变为旋转动力。
The crankshaft serves to change the reciprocating power into rotary power.
按工作条件可分为旋转骨架油封和往返式骨架油封。
According to the working conditions can be divided into rotating and reciprocating oil seal oil seal.
应用矢量变频调速技术，使旋转的金刚石锯片实现横向和纵向的往返移动以及精确的定位控制。
Horizontal and longitudinal movement as well as accurate positioning of the rotating diamond saw blade can be realized by means of vector convertor speed governing technique.
工作台带动工件往返做直线运动，电机输出动力带动抛光轮旋转接触工件进行抛光，抛光轮上加固体或液体两种抛光蜡作为抛光介质。
Workbench drives workpiece for linear running to and for; polishing machine provides power to drive polishing wheel to turn and polishing wheel as the polishing media.
工作台带动工件往返做直线运动，电机输出动力带动抛光轮旋转接触工件进行抛光，抛光轮上加固体或液体两种抛光蜡作为抛光介质。
Workbench drives workpiece for linear running to and for; polishing machine provides power to drive polishing wheel to turn and polishing wheel as the polishing media.
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