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How To Choose Aluminum Welding Machine

Aluminum alloy has two important characteristics. First, the high thermal conductivity causes the heat input during welding to be easily guided away, and cannot be concentrated in the weld area. Second, the coefficient of thermal expansion is large, which causes the thermal expansion and contraction after welding to be heated and cooled. It is easy to produce welding deformation. These two characteristics pose great challenges to the aluminum welding machine. Only the high energy density, stable and concentrated welding arc can adapt to the welding of aluminum alloy. It can be said that an aluminum welding machine is excellent. The performance of the output arc plays an absolute role.

All major welder manufacturers will claim that they have adopted some advanced technology to control the arc. It is inevitable that the technical parameters will inevitably have a feeling of fog, and the arc itself is a subtle phenomenon, unless it is very experienced. Rich old drivers, otherwise it is difficult to judge the pros and cons of the arc through the naked eye observation and feeling during welding. So is there any good way to easily and intuitively judge the pros and cons of a welding machine arc?


Recently, in order to compare the performance of different welders, the author conducted a very simple experiment, which is to look at the penetration depth. The depth of the arc output energy density is very intuitively judged by the penetration depth. As for the specific welding. Machine, I believe that readers have their own conclusions after reading the results of the experiment.

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