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FAQ

The difference between TIG welding and MIG welding

TIG is a non melting electrode TIG welding, is a manual electric arc welding with argon gas protection, while MIG belongs to inert gas welding consumable electrode, and the TIG is different to manual wire for automatic wire feeding.

What are the principles of Tandem twin wire welding and monofilament composite pulsed MIG welding?

Tandem double wire welding is to place two welding wires at a certain angle in a specially designed welding torch, and two welding wires are respectively supplied by independent power supply. In addition to feeding speed can be different, other parameters, such as: wire material, diameter, pulse, etc. can be set independently of each other, so as to ensure the arc work in the best state. Compared with other twin wire welding technology, the welding efficiency and welding speed are improved because the arc of two welding wires is burned in the same molten pool and the total welding current is increased. At the same time, because the two welding wires are sent to the same molten pool alternately, the mixing action of the welding pool is reduced, and the sensitivity of the porosity is improved, and the quality of the weld is improved.

Which is better, TIG welding method and MIG welding method?

The former is suitable for welding thin plate, which is suitable for heavy plate and mass production. In many aspects, TIG welding is less limited.

The difference between MAG welding machine and MIG welding machine

MIG:Metal Inert Gas welding, MIG welding, argon gas, helium (Ar) (He) or a mixed gas, do not react with liquid metal, only isolated from the air, so stable arc combustion, droplet transition smooth, stable, no fierce splash, the most suitable for welding of aluminum, copper, titanium and other non-ferrous metals, can also be used for steel, such as stainless steel, heat-resistant steel welding etc.;MAG:Metal Active Gas welding, metal active gas welding, gas by inert gas and a small amount of oxidizing gases (O2, CO2 or a mixed gas) mixture, without changing or basically does not change the inert gas arc characteristics under the condition of improving arc stability, improve the forming and reduce the radiation intensity of arc weld, welding used in black metal materials.

MIG automatic welding is always broken arc is how ah?

Two possibilities:1. voltage current is too large, is the wire too fast but not to melt, there will be a section of a wire is melted, and the arc (conductive mouth there is no welding slag sticking often? If so, that's why.)2., feeding wire interruption, arc back to the wire feeder, because the discharge distance is too large, resulting in arcing

What brand of MAG/MIG welding machine good stability high load rate (the main processing non-ferrous metals such as copper and aluminum) and the teacher requested to introduce.

Germany's Fries 3000 type AC and DC welding machine, and then the aviation industry is very popular, but the price is high. And the Miller welding machine made in America, especially good for butt welding. You can refer to the reference.