手工焊接、金屬極氣體保護(hù)焊和鎢極惰性氣體保護(hù)焊是焊接不銹鋼通風(fēng)管道加工的常用方法。手工焊接應(yīng)用廣泛，操作簡(jiǎn)單，主要由人調(diào)節(jié)。焊縫填充材料為電焊條。幾乎所有的材料都可以手工焊接，即使在室外也可以，所以適應(yīng)性很好。一般焊接采用DC電。

　　Manual welding, metal inert gas welding, and tungsten inert gas welding are commonly used methods for welding stainless steel ventilation ducts. Manual welding is widely used, easy to operate, and mainly adjusted by humans. The filler material for the weld seam is welding electrode. Almost all materials can be manually welded, even outdoors, so they have good adaptability. Generally, DC electricity is used for welding.

　　焊條可以是鈦焊條，也可以是閉合的。鈦焊條易于焊接，焊縫美觀，焊渣易于去除。但缺點(diǎn)是如果長(zhǎng)時(shí)間不使用，必須重新烘烤，防止水分堆積。

　　The welding rod can be a titanium welding rod or a closed one. Titanium welding rods are easy to weld, with beautiful welds and easy removal of welding slag. But the disadvantage is that if not used for a long time, it must be re baked to prevent moisture accumulation.

　　不銹鋼螺旋風(fēng)管的金屬極氣保護(hù)焊是一種氣體保護(hù)焊，也是一種電弧焊，焊條在保護(hù)氣體下通過(guò)電弧熔化。金屬極氣保護(hù)焊可用于鋼、非合金鋼、低合金鋼、高合金等材料，應(yīng)用廣泛。

　　Metal electrode gas shielded welding of stainless steel spiral ducts is a type of gas shielded welding and arc welding, in which the welding rod is melted by an arc under shielding gas. Metal electrode gas shielded welding can be used for materials such as steel, non alloy steel, low-alloy steel, and high alloy, and is widely used.

　　但是有一點(diǎn)，它的保護(hù)氣體必須是活性氣體，如二氧化碳或混合氣體。其缺點(diǎn)是如果焊接在室外，不銹鋼螺旋風(fēng)管不能受潮，否則會(huì)影響保護(hù)氣體的保護(hù)效果。

　　But one thing, its protective gas must be an active gas, such as carbon dioxide or a mixture of gases. The disadvantage is that if welded outdoors, the stainless steel spiral air duct cannot be dampened, otherwise it will affect the protective effect of the protective gas.

　　鎢極惰性氣體保護(hù)焊接電弧產(chǎn)生于鎢焊絲和工件之間，因此要求保護(hù)氣體為純氬氣，焊絲無(wú)電，因此可以手動(dòng)送入，也可以機(jī)器送入，有時(shí)也可以不送入。那么它是用DC還是交流電，就看焊接材料了。

　　The tungsten inert gas shielded welding arc is generated between the tungsten welding wire and the workpiece, so pure argon gas is required as the shielding gas. The welding wire has no electricity, so it can be manually fed, machine fed, or sometimes not fed. So whether it uses DC or AC depends on the welding material.

　　鎢極惰性氣體保護(hù)焊主要用于焊接薄、中厚工件，材料范圍廣，包括合金鋼、鋁、鎂、銅、灰鑄鐵、鎳、銀、鈦、鉛等。

　　Tungsten inert gas shielded welding is mainly used for welding thin and medium thick workpieces, with a wide range of materials including alloy steel, aluminum, magnesium, copper, gray cast iron, nickel, silver, titanium, lead, etc.

　　本文由  山東通風(fēng)管道加工 友情奉獻(xiàn).更多有關(guān)的知識(shí)請(qǐng)點(diǎn)擊  http://m.cdxysh.cn        真誠(chéng)的態(tài)度.為您提供為的服務(wù).更多有關(guān)的知識(shí)我們將會(huì)陸續(xù)向大家奉獻(xiàn).敬請(qǐng)期待.

　　This article is a friendly contribution from Shandong ventilation duct processing. For more related knowledge, please click http://m.cdxysh.cn Sincere attitude. We provide you with comprehensive services. We will gradually contribute more relevant knowledge to everyone. Please stay tuned

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