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What are the advantages of plastic laser welding over other welding technologies?

Time:2019-02-18 10:55:36
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   With the continuous development of the plastic industry, the concept of environmental protection has become increasingly popular. With the requirement of environmental protection and the trend of lightweight, more and more plastics are replacing the metal parts in industrial products. Plastic laser welding has more advantages than other welding technologies.


  1. Non-contact welding, no physical contact with the workpiece to be welded, no chemical reaction of thermoplastics, can be operated in industrial environment, suitable for medical and food industries requiring health and safety. Medical industry is mainly used in injection system, medical electronic equipment, various artificial transplantation and ostomy products.

  2. The shape and size of laser beam can be adjusted to control the size of heat-affected zone and joint zone. It has high degree of freedom and good flexibility. Without restricting the size and shape of parts to be welded, it can realize two-dimensional or even three-dimensional welding, which provides a basis for diversified customized parts production.

3. Fast welding speed, high weld strength, no flying edge, no residue, can ensure the good appearance of the welding area. Relevant data show that, as far as ordinary passenger cars are concerned, non-metallic materials account for about 1/3 of the weight, and some models account for a larger proportion. Plastics is one of the four major non-metallic materials for vehicles. High-grade car bumpers can be welded by plastic laser to achieve both strength and appearance. Other laser welding such as automobile filter, gas-liquid separator, automobile dashboard shell, electronic door opener, gearbox and so on can play a good role.

4. Precision and firm, air-tight, water-tight, can greatly reduce thermal stress and vibration stress, for precision electronic components and easily damaged devices, but most suitable.

(This article was originally created by Chenhao Laser, reproduced from www.levihersh.com. To cherish the fruits of other people's work is to respect oneself.)

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