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How to reduce cracks during welding of optical fiber laser welding machine

Publisher: Administrator Date:2021-11-11

  Fiber laser welding machine It can process multiple beams at the same time, which provides conditions for more precise welding. But optical fiber Laser welding machine Improper operation may cause hot cracks or cold cracks. So how do these cracks occur and how to reduce this phenomenon?

Laser welding machine is used to weld between workpieces by melting the target metal after pulse laser focusing. It has unbalanced rapid heating and rapid cooling, which also leads to the cracking of the joint. Next, the laser welding machine manufacturer will share with you how to reduce the cracks produced by the optical fiber laser welding machine during welding.

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The main causes of thermal cracks during optical fiber laser welding are:

After laser welding, in the solidification process, the weld passes through the temperature zone with low plasticity, which is the brittle temperature zone. Weld metal crystallization is carried out under the action of tensile stress in laser welding. This tensile stress is formed because the welded metal is difficult to shrink. The existence of tensile stress causes the elastic-plastic deformation of weld. If the weld metal of welding equipment is in the brittle temperature zone and the plastic deformation exceeds the plasticity of the metal, cracks will be formed.



Dongguan Styler Laser Intelligent Technology Co., Ltd.
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Contact us:
  Tel: 13580722659  
  Fax: 0769-81306766  
  Email: sales@styler.com.cn  
  Website: www.styler.com.cn  
  Address: Building D, No. 81, Huahong Commercial East Street, Zhenxing North Road, Gaopo Town, Dongguan City, Guangdong Province  

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