介绍了一种新型钢丝网架点焊机的研制 ,该焊机主要是针对一种轻型建材钢丝网架聚苯乙烯夹心板的焊接生产而设计的 .所设计的控制电路 ,利用双单稳电路 IC,实现了点焊过程周波控制、过零触发 ,以及防重触发和误触发功能 ,保证了焊接过程稳定、可靠 .焊枪的设计满足焊接工艺的要求 ,易于操作 A new type of spot welding machine for wire mesh was introduced.The welding machine was mainly designed for the welding production of a polystyrene light-weight sandwich board with a light-weight building material.The control circuit was designed by double monostable circuit IC, to achieve the spot welding process control, zero-crossing triggering, and anti-trigger and false triggering function to ensure a stable and reliable welding process. Welding torch designed to meet the requirements of the process, easy to operate