It is necessary to keep the preload constant over the speed range of the spindle.
保存在纱锭的速度范围上的预载常数是必需的。
The boring power comes from the head-stock of a universal lathe, so the spindle speed could be adjusted in a wide range and satisfactory end face scraping quality is obtained.
镗削动力头采用了普通车床的床头箱,主轴转速调节范围大,刮削端面性能良好。
This apparatus is enable to change the rotational speed of the pump in a wide range, to heat recirculating water and to load both axial and radial forces on the pump spindle.
该装置的特点是调速范围大,工作介质温度高,可以同时对泵轴进行径向和轴向加载。
This apparatus is enable to change the rotational speed of the pump in a wide range, to heat recirculating water and to load both axial and radial forces on the pump spindle.
该装置的特点是调速范围大,工作介质温度高,可以同时对泵轴进行径向和轴向加载。
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