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