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Pneumatic stainless steel spot welders look similar, what’s the difference?
Wuxi Xinxing Welding Equipment Factory mainly produces: spot welding machines, butt welding machines, flash butt welding machines, medium frequency spot welding machines, energy storage spot welding machines, nut spot welding machines, polymer diffusion welding machines and other resistance welding equipment! QQ online consultationSitemapContact us
Pneumatic stainless steel spot welders look similar, what’s the difference?
Release time:2022.04.25
Summary of information:
Pneumatic stainless steel spot welding machines and butt welding machines do look similar, just like today’s mobile phones. There is not much difference in style. It is necessary to carefully disassemble its components to screen out its differences, at least to look at its core components, such as controllers, transformers, etc.
Pneumatic stainless steel spot welding machines and butt welding machines do look similar, just like today's mobile phones. There is not much difference in style. It is necessary to carefully disassemble its components to screen out its differences, at least to look at its core components, such as the controller (brain), transformer (heart), etc.
In addition to the above two major components, in factPneumatic stainless steel spot welding machineThe structure is not very complicated, and there are not many other parts, such as
1. Pneumatic components, mainly air filter devices, air regulating devices and gas production devices to facilitate compressed air operation.
2. Electrical components, mainly switches and protection devices
3. Conductive transmission electrode arm and electrode holder.
4. Water drainage of the cooling system
5. Box shell.
Based on these components, compare the component brands, workmanship, power, and materials one by one. Among them, the transformer should pay attention to the trick. Some are written as 50KVA, but the real output is only equivalent to the 25KVA model, and the 150KVA model only has 100KVA power. If you buy a 100KVA transformer with an output of 130~150KVA, then it is a truly good transformer. Then you can evaluate the appearance and compare the price to choose the welder you are satisfied with.
Wuxi Xinxing Welding Equipment Factory has focused on resistance welding machines for 29 years and has core technologies. Its products include: manual butt welding machines, pneumatic-flash butt welding machines,Wire harness welding machine, foot spot welding machine, pneumatic spot welding machine, medium frequency spot welding machine, row welding machine-welding production line, resistance automatic welding machine, energy storage welding machine, copper rod aluminum rod steel rod welding machine, auto parts spot welding machine, sheet metal box shell spot welding machine, home appliance hardware spot welding machine, electronic appliance spot welding machine, copper row copper pipe welding machine, nut spot welding machine, stainless steel welding machine, There are more than 300 types of foil strip spot welding machines, aluminum spot welding machines, multi-head spot welding machines, bag cage spot welding machines, mesh welding machines, ton rack welding production lines, resistance automatic welding machines, brazing machines, diffusion welding machines, projection welding machines, seam welding machines, wire and cable optical cable supporting equipment, etc. If you are interested in our welding equipment, please contact us.
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Welding process in copper wire butt welding machine
Summary of information:
The copper wire butt welding machine is a resistance welding machine. The welding process mainly includes the pre-pressure stage, the heating stage and the upsetting stage. 1. Preloading stage The electromechanical process characteristics and functions of the preloading stage are the same as the preloading in the spot welding cycle, except that due to the contact of the opposite parts

The copper wire butt welding machine is a resistance welding machine. The welding process mainly includes the pre-pressure stage, the heating stage and the upsetting stage.
1. Preloading stage
The electromechanical process characteristics and functions of the preloading stage are the same as the preloading in the spot welding cycle. However, due to the small pressure on the contact surface, the effect of removing surface unevenness and oxide film and forming physical contact points is far less sufficient than that of spot welding.
2. Heating stage
1) When energized heating starts, first some port contact points are rapidly heated, the temperature rises, and the workpiece comes into more physical contact.
2) As the electrical heating proceeds, the port temperature rises sharply, and the temperature distribution along the port is dispersed to form a whitish temperature field.
3. Upsetting (pushing) stage
The upsetting force of copper wire butt welding machines is generally greater than the welding pressure.
When the temperature reaches the shaping temperature, the machine head pushes the static machine head laterally to fuse the two workpieces together. The function is:
1). Close the gap between the two sides and squeeze out the fire hole left by the beam blasting.
2) Completely remove the liquid metal layer on the end face so that no casting structure remains in the weld.
3). Eliminate overheated metal and oxidized inclusions to achieve a close fit of clean metal.
4) Enable appropriate plastic deformation of the counterpart and adjacent areas to promote the recrystallization process of the weld.
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