The presentation of welding automation can not only greatly advance the power of welding, but also reduce labor intensity and eliminate the unavoidable human factor. Among all the automated welding methods, the most widely used are arc welding, spot welding and laser welding.
Arc welding
Arc welding is a welding technique in which an electric arc is placed in a weld seam so that the core in electrostatic or electrowinning welding melts, fills, and fuses with the substrate. It is commonly used in related fields such as melting electrode maintenance gas welding (MMA), automatic gas tungsten argon arc welding (TIG-W), automatic submerged arc welding (SAW) or gas metal arc welding (GMAW).
The benefit of arc welding is that it has moderate power and can be used for the welding of most metal materials. Together, arc welding has a low cost and low environmental impact, so it is widely used in the industrial field.
spot welding
Spot welding is a welding method that uses the electrode to generate instantaneous local heating between two points on the workpiece under pressure and apply welding pressure together, and uses the permeability of molten metal to end the joint of the weld. Spot welding is widely used in the production of cars and home appliances.
The primary benefit of spot welding is that it can produce high power and can end multiple solder joints at once, so it is widely used in the industrial field.
Laser welding
Laser welding is a welding method that uses a laser beam to generate a welding heat source, which is subjected to heat conduction and melted metal to produce a welding connection in the direction of the workpiece. It is a high-precision and high-power welding method with many benefits.
Laser welding has high energy density, can end high-power, high-precision welding effect. Compared with traditional welding methods, laser welding has better control and higher reliability. It is widely used in the welding of metal materials, such as aviation, aerospace, military, cars, machine tools and other fields.
summary
After the introduction of the three automated welding methods, we can see that arc welding, spot welding and laser welding have their own characteristics, and there are certain differences in the application fields. In practice, we should choose the appropriate welding method in combination with the needs of practice to advance the production power and product quality.
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