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单词 Gas metal arc welding
释义

Gas metal arc welding

中文百科

熔化极气体保护电弧焊

气体保护电弧焊。
1. Dirección de la soldadura 2. Tubo de contacto 3. Hilo 4. Atmósfera de gas protector 5. Baño de fusión 6. Cordón de soldadura 7. Metal de base.
Tubo de contacto
Buza antorcha

熔化极气体保护电弧焊英语:gas metal arc welding),简称气体保护电弧焊气体保护焊,可指熔化极惰性气体保护电弧焊和熔化极活性气体保护电弧焊。指用外加气体作为电弧介质并保护电弧和焊接区的一种电弧焊。是一种自动或半自动的工艺,其中自动焊接需连续送入焊丝,由焊炬的喷嘴送进氩气或氦气作保护。焊接电源可采用直流和交流电两种。按电弧划分可分为球形弧、射流电弧、脉冲射流电弧及短路电弧焊接。

熔化极气体保护电弧焊发展之初主要用于铝和有色金属的焊接,然后其焊接效率高的特点使其在上世纪40年代以来在钢铁领域得到发展。

英语百科

Gas metal arc welding 熔化极气体保护电弧焊

Gas metal arc welding
GMAW torch nozzle cutaway image. (1) Torch handle, (2) Molded phenolic dielectric (shown in white) and threaded metal nut insert (yellow), (3) Shielding gas diffuser, (4) Contact tip, (5) Nozzle output face
GMAW on stainless steel
GMAW Circuit diagram. (1) Welding torch, (2) Workpiece, (3) Power source, (4) Wire feed unit, (5) Electrode source, (6) Shielding gas supply.

Gas metal arc welding (GMAW), sometimes referred to by its subtypes metal inert gas (MIG) welding or metal active gas (MAG) welding, is a welding process in which an electric arc forms between a consumable wire electrode and the workpiece metal(s), which heats the workpiece metal(s), causing them to melt and join.

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更新时间:2025/6/18 19:35:16