During the start and stop of the drive shaft, the swing frame of the soft support will have a very obvious vibration.
在传动轴启动和停转的过程中，软支承的摆架会有非常明显的振动，硬支承的摆架则没有这种现象。
2
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
Fast speed, less empty bags, steady packing capacity. Empty bags' remove device. Double film shaft device, reduce time of stop machine.