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Home / News / What Is The Difference Between A Laser Welding Machine And A Cold Welding Machine? What Are Its Characteristics?

What Is The Difference Between A Laser Welding Machine And A Cold Welding Machine? What Are Its Characteristics?

Views: 277     Author: Site Editor     Publish Time: 2023-03-28      Origin: Site


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What Is The Difference Between A Laser Welding Machine And A Cold Welding Machine? What Are Its Characteristics?

With the advancement of science and technology and the continuous improvement of people's living standards, the use of laser welding machines as processing equipment has become increasingly widespread, and has gradually been applied to daily life.

So is the cold welding machine similar to its name also used for welding? What's the difference between the two?

1. Principle

The principle of the multifunctional cold welding machine is to use the charging capacitor to discharge in an ultra-short time of 10-3 to 10C1 seconds and 10-6 to 10C5 seconds. The contact part between the electrode material and the workpiece will be heated to 8000°C~10000°C in an instant, and the molten metal in the plasma state will transition to the surface layer of the workpiece in a metallurgical manner.

Compared with extremely short, the machine has enough relative stop time, and the heat will diffuse to the outside world through the workpiece substrate. Therefore, there will be no focus of heat on the processed part of the workpiece. Although the temperature rise of the workpiece stays almost at room temperature, the temperature of the electrode tip can reach about 10000°C due to instantaneous melting.

The laser welding machine uses high-energy laser pulses to locally heat the material in a small area. The energy of the laser radiation diffuses to the inside of the material through heat conduction, and the material is melted to form a specific molten pool to achieve the purpose of welding.

2. Features

6000w fiber laser welding machine

cold welder

1. Reasonable design, free adjustment, different discharge frequencies can be selected according to different metal materials, so as to achieve the best repair effect.

2. The heat-affected area is small, and there is no heat input during the instant process of stacking, so there is no deformation, undercut and residual stress. No partial annealing occurs, and reheat treatment is not required after repair.

3. Minimal welding repair impact, the cold welding machine overcomes the impact phenomenon of ordinary argon arc welding on the periphery of the workpiece during the welding repair process. It is also possible to repair the machined surface of the workpiece without any allowance with confidence.

4. High welding strength: due to the full penetration into the surface material of the workpiece, a strong bonding force is produced.

5. Easy to carry, light in weight, 220V power supply, no workpiece environment requirements.

laser welding machine

1. The heat-affected range is small, and most of the workpieces will basically not deform

2. High welding speed and high production efficiency

3. The laser beam can be focused on a small area, and small and closely spaced components can be welded

4. A wide range of weldable types can also be controlled by digital or computer

5. It can weld two metals with different physical properties (such as different resistance)

6. The device can be switched to transmit the laser beam to multiple workstations, which is easy to realize automatic mass production.

The above is the difference between a laser welding machine and a cold welding machine. Both of these two types of equipment have their own characteristics. Which one to choose depends on the needs of the manufacturer.

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