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Problems encountered when welding copper plates and aluminum plates and precautions for electric welding machines
15 Jan 2021Problems encountered when welding copper plates and aluminum plates by welding machines When the workpiece and the electrode are fixed, the resistance of the workpiece depends on its resistivity. Therefore, the resistivity is an important property of...
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How to choose electric welding machine
07 Jan 2021The structure of the electric welding machine is very simple. To put it bluntly, it is a high-power transformer, but when we choose the electric welding machine, the first thing we consider is our own situation. So, what kind of electric welding mach...
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Classification of welding machines
30 Dec 20201. The main welding machines used by industrial and mining enterprises are: AC arc welding machine, DC electric welding machine, argon arc welding machine, carbon dioxide shielded welding machine, butt welding machine, spot welding machine, submerged...
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What is the difference between an intermediate frequency spot projection welding machine and a power frequency AC welding machine
26 Dec 2020No matter in the fields of machinery or science and technology, China is achieving perfect improvement and rapid development. Therefore, all kinds of machines have also undergone many improvements and further updates to make them more intelligent and...
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Friction welding
18 Dec 2020Friction welding is a method in which the workpiece is used for relative movement, and the heat generated by the friction of the contact surface is used as a heat source to cause the workpiece to undergo plastic deformation under pressure to perform ...
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How much do you know about these welding methods?
12 Dec 2020Manual arc welding (SMAW) The arc between the coated electrode and the welded metal will heat the welded metal to achieve the purpose of welding. It can be seen from the figure that the arc between the electrode and the workpiece is caused by the cur...
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Process and sequence of general weldment welding
03 Dec 2020To manufacture a product with a welded structure, processes such as material preparation, assembly, spot welding preheating, welding, post-welding heat treatment, and inspection are required. 1. Material preparation The material preparation process i...
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About the principle and advantages of butt welding machine
28 Nov 20201. Butt welding type: 1. Resistance butt welding (power frequency AC) Features: The weldment is first contacted and pressurized and then energized. When it reaches the fixed plastic state, the upset forging completes the welding, the welding surface ...
