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机车锅炉烟管的材料是10号优质碳素钢的无缝钢管,管子外径为51公厘,壁厚为2.5～3.0公厘。每台机车锅炉有150根这样的直管子,在大修时,大约要焊接150～300个对接头。过去,各机车修理工厂对这种管子的对接都采用气焊方法。由于生产率低,质量不稳定,因此试验了闪光焊接的方法。现在这种焊接方法已在几个工厂中试验成功,并正式运用到生产中去。所用的焊接机是1941年日本制造,型号为 HBL-F,设备功率为100仟伏安。夹紧装置和送进机构均用压缩空气带动,闪光过程和顶锻过程用油缸控制。这个焊接机在正式运用以前进行了必要的改装,使适合于管子的
Locomotive boiler pipe material is the number 10 quality carbon steel seamless pipe, pipe diameter 51 mm, wall thickness of 2.5 to 3.0 mm. Each locomotive boiler has 150 such straight pipe, in the overhaul, about to weld 150 to 300 pairs of joints. In the past, the locomotive repair shop to use such methods of welding pipe welding method. Due to poor productivity and unstable quality, a flash welding method was tested. This method of welding has now been successfully tested in several plants and is being used formally in production. The welder used was made in 1941 in Japan with model number HBL-F and equipment power of 100 kVA. Clamping device and the feeding mechanism are driven by compressed air, the flash process and the forging process with the cylinder control. The welder was adapted as necessary before the formal application