The invention broadens the adjusting range of the axial pulsation intensity so as to better meet the demand of screwrod axial pulsation of the squeeze machine.
本发明扩大了轴向脉动强度的调节范围，从而可以更好地满足挤出机螺杆轴向振动的要求。
2
The utility model provides a novel supporting pulling device which is provided with a screwrod connected with the center of an adjusting supporting body through inner threaded holes.