研制一种新型的伺服驱动的悬挂式点焊枪，该焊枪能够在焊接的过程中对电极压力进行实时的调节，从而实现复杂的焊接循环，提高焊接质量。(A new type of servo driven spot welding gun is developed. The welding torch can adjust the electrode pressure in real time during welding, so as to realize complex welding cycle and impr