接触焊是利用电阻发热的原理制造固定接头的一种方法。在接触焊过程中,一方面对工件施加压力,一方面使电流通过工件,使工件接头在受热和受压的情况下结合在一起。接触焊最早出现在1877年,那时美国艾·汤姆逊教授提出了电阻对焊的方法,并获得了接触焊方面的第一个专利权。接着在1887年俄国的工程师Н.Н.别纳陀斯提出了用碳电极的点焊方法。不久德国的克林施米德改 Contact welding is the use of resistance heating principle of manufacturing a fixed connector. In the contact welding process, on the one hand the pressure on the workpiece, on the one hand, the current through the workpiece, the workpiece joints under heat and pressure combined together. Contact welding first appeared in 1877, when American Professor A. Thomson proposed a method of resistance butt welding and obtained the first patent on contact welding. Then in 1887 the Russian engineer Н.Н. Benathos proposed a spot welding method using a carbon electrode. Shortly after Klinichmid Germany changed