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５０ｍｍ铜棒对接氧乙炔焊刘速志延岐李宜芳（山西省太原市太原第二锅炉厂０３００２４）加热圈是集箱收口机上火焰加热的关键设备。制造加热圈的坯料是用５０ｍｍ黄铜棒弯成直径３５０ｍｍ圆环后对接，材质为Ｈ６２。利用现有设备采用氧乙炔焊。用氧乙炔焊焊接大尺...
50mm copper bar butt oxyacetylene welding Liu speed Zhiqi Yan Qi (Taiyuan, Shanxi Province, the second boiler plant 030024) Heater is the header box set the key heating equipment on the flame. The manufacture of the heating coil blank is 50mm brass rods bent into 350mm diameter ring butt, made of H62. Use of existing equipment using oxyacetylene welding. Welding with oxyacetylene large rod ...