By applying different pre-pressure, the speed, torque and temperature of the ultrasonic motor in low and high vacuum have been tested and compared with the normal condition.
施加不同的预压力在低、高真空环境下对超声电机的转速、转矩及温升进行测量并与常态下相比较。
The results show that stalling torque increases and no load speed decreases with the increase of the pre-load and degree of vacuum.
结果表明，随着预紧力和真空度的增加，马达的堵转力矩增加而空载转速下降；
Servo motor controls capping torque, pre-set torque from touch-screen. When capping reaches set torque, capping head stops, suitable for tighter capping requirement.
旋盖的扭力由伺服电机控制，在触摸屏上设定扭矩。当旋盖达到设定的扭矩时，旋盖头即停止旋转，适合对旋紧度要求高的产品。
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