And next year it hopes to complete the construction of a cold-rolling mill near Vietnam's ho Chi Minh City, and an automotive steel-sheet plant in Mexico to supply General Motors and Hyundai Motor.
Use special motor to drive the rolling center shaft to rotate, to achieve the shutter switch, when the motor is set to the upper and lower limits automatically stop.
用专用电机带动卷帘中心轴转动，达到卷帘开关，当转动到电机设定的上下限位时自动停止。
3
This paper presents the methods to distinguish abnormal vibrational noise for rolling bearing of motor, analyzes the cause of formation, and presents the method to remove it.