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当前位置: 首页-新闻中心 > 山东通风管道加工焊接的三种方式

山东通风管道加工焊接的三种方式

发布时间:2020/08/27

山东通风管道加工焊接,常用的方法有手工焊,简称MMA,还有金属极气体保护焊和钨极惰性气体保护焊,金属极气体保护焊简称MIG/MAG,钨极惰性气体保护焊简称TIG。
The common methods of processing and welding of ventilation pipeline in Shandong Province are manual welding, referred to as MMA, metal electrode gas shielded welding and tungsten inert gas welding, metal electrode gas shielded welding for short MIG / MAG, tungsten inert gas welding for short TIG.
山东通风管道加工
Processing of ventilation pipe in Shandong Province
方法一:手工焊
Method 1: manual welding
使用非常普遍,且操作容易,主要是靠人进行调节,焊缝填充材料为电焊条。手工焊几乎能焊接所有的材料,即使在室外也可以,因此它具有很好的适应性,一般焊接时是采用直流电。
It is widely used and easy to operate. It is mainly adjusted by human. The welding filler material is electrode. Manual welding can weld almost all materials, even outdoors, so it has a good adaptability. Generally, DC is used for welding.
电焊条,既可以是钛型焊条,也可以是缄性的。钛型焊条比较容易焊接,焊缝美观,且焊渣容易去除。但缺点是如果长时间不用后再使用,那么必须重新进行烘烤,以防潮气积聚。
The electrode can be either titanium electrode or sealed electrode. Titanium electrode is easy to weld, the weld is beautiful, and the welding slag is easy to remove. But the disadvantage is that if it is not used for a long time, it must be baked again to prevent moisture accumulation.

方法二:金属极气体保护焊
Method 2: gas metal arc welding
它属于气体保护焊,也是一种电弧焊,是在保护气体下,焊条被电弧融化。金属极气体保护焊可用于钢、非合金钢、低合金钢以及高合金等这些材料,使用很广泛。但有一点,它的保护气体必须为活性气体,比如二氧化碳或者混合气体等。的缺点是如果在室外进行焊接,那么工件不能受潮,否则会影响保护气体的保护效果。
It belongs to gas shielded welding, is also a kind of arc welding, is in the shielding gas, the electrode is melted by the arc. Metal electrode gas shielded welding can be used in steel, non alloy steel, low alloy steel and high alloy and so on. But there is a point, its protective gas must be active gas, such as carbon dioxide or mixed gas. The disadvantage is that if the welding is carried out outdoors, the workpiece can not be affected by moisture, otherwise the protection effect of shielding gas will be affected.
方法三:钨极惰性气体保护焊
TIG welding method
电弧是在钨电焊丝和工件之间产生,所以要求保护气体为纯氩气,且焊丝是不带电的,所以既可以手动送入,也可以机器送入,有时也可以不送入。然后它到底是使用直流电还是交流电,则取决于焊接材料。
The arc is generated between the tungsten welding wire and the workpiece, so pure argon is required as the shielding gas, and the welding wire is not charged. Therefore, it can be sent manually, mechanically or sometimes not. Then whether it uses DC or AC depends on the welding material.
钨极惰性气体保护焊主要是用于焊接薄和中等厚度的工件,材质的范围很广,包括合金钢、铝、镁、铜、灰口铸铁、镍、银、钛以及铅等。
Tungsten inert gas welding (TIG) is mainly used to weld thin and medium thickness workpieces, with a wide range of materials, including alloy steel, aluminum, magnesium, copper, gray cast iron, nickel, silver, titanium and lead.
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