When the positioning bearing block is in spin welding along with the cylinder body, a cantilever screw rod shaft is in a relatively stable state to satisfy automatic welding.
定位轴承座随筒体旋转焊接时，悬臂螺杆轴处于相对稳定，满足于自动焊接。
2
An automatic machine for integrating the functions of weighing, grouping and marking by laser of connecting rod is introduced.
介绍了一种集连杆称重、分组和激光刻标各功能于一体的自动机床。
3
The invention discloses a novel labyrinth compressor packing which is capable of automatic centering with a piston rod. The packing is provided with magnets.