焊接与切割设备的使用和维修(七十二)——焊炬、割炬的使用与维修

Usage and maintenance of welding and cutting machines(72)——Usage and maintenance of welding and cutting torch

介绍了焊炬的构造和一些分类方法;详细讲述了焊炬及其钨极、喷嘴的选择,焊炬的装拆及其使用注意事项,焊炬的保养和维修;分析了气焊、气割时的火焰形式,同时也分析了产生异常火焰的原因,并提出了相应的解决方法。

This paper introduces the structure and classified methods of welding torch,and relates in detail the selection of welding torch, tungsten electrode and puzzle ,assembly ,disassembly and maintenance of welding torch and its usage points for attention.It also analyses the flame forms in gas welding and gas cutting, reasons for unusual flame and solutions.