Advantages of laser welding and its application in new energy vehicles

Laser welding technology concentrates laser energy on a beam, and then processes it into a weld on the workpiece. Laser welding mainly includes laser welding host, laser welding head, cable, and cooling system. Laser welding machines include CO2 lasers, fiber lasers, disc YAG lasers, semiconductor lasers, etc.

Laser welding is a new welding technology with optical properties such as refraction and focusing. In addition, laser welding has the advantages of low heat input, low deformation, and immunity to strong electromagnetic fields. With the advancement of the times and the continuous development of laser technology, many companies and individuals have abandoned traditional processing methods and turned to laser technology. Next, we will introduce the advantages of laser welding in detail:

  1. Micromachining after welding.
  2. The welding speed is fast.(In order to improve production efficiency, some manufacturers win by quantity, which is a great advantage.)
  3. Constant temperature output.
  4. Reduce rework, increase productivity, reduce costs, kill two birds with one stone.
  5. Improve the appearance and welding quality of the weld bead.
  6. Improve automation, realize fully automatic without manual operation.

In traditional welding, deformation, reduction in hardness, blisters, cracks, pinholes, scratches, failure of bonding, and internal stress damage often occur. The laser welding seam adopts intelligent welding seam tracking technology and non-contact tracking technology to solve the welding seam defects caused by workpiece position deviation, thermal deformation, etc., thereby improving productivity and product quality, and its welding speed. 5-10 times faster than traditional welders.

Application of laser welding in new energy vehicles

The car is a necessities of life that enter thousands of households, and the new technology it uses also reflects its quality to a certain extent. The application of laser in the automotive field mainly includes the welding of body frame parts and the welding of automobile batteries. The laser welding technology of traditional fuel vehicles has been applied to a considerable extent in my country, but it is still rare in the production line of electric vehicles. In terms of frame, interior, etc., the laser technology will imitate the technology of fuel vehicles, and gradually expand the laser usage of. By 2022,my country’s electric vehicle sales are expected to exceed 3 million units, and the mass production of laser products will also become an inevitable trend in the future. Laser Trend The car body widely uses lasers with powers of 4 kW and 6 kW, which puts forward new requirements for high-power automatic laser welding. Riselaser has laser welding equipment ranging from 1000 watts to 3000 watts, which can well serve the new energy vehicle industry.

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Single Wobble Fiber Laser Welding Machine 

Double Wobble Fiber Laser Welding Machine

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