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Automotive metal laser welding machine: fuel injector full welding without soldering seam

The car fuel injector is a simple solenoid valve. When the electromagnetic coil is energized, suction is generated, the needle valve is sucked up, and the injection hole is opened, then the fuel is ejected at a high speed through the annular gap between the needle of the needle head and the injection hole to form a mist shape, which is favorable for full combustion. As one of the key components of the EFI engine, the operation of the injector will seriously affect the performance of the engine, so the welding requirements for the injector are also very strict.

The traditional welding method has large weld seams, and is easy to deform the periphery of the product, so it is not suitable for welding the fuel injectors. The fuel injector Laser welding machine uses a very high-energy pulsed beam to heat the material. The energy is diffused internally by heat conduction, it forms molten pool after the material is melted.

This is a new type of welding method, mainly for the welding of thin-walled materials and precision parts of heterogeneous metal materials, which can realize spot welding and stack welding. It has high stability laser output, high single pulse energy, high marking efficiency and accurately controlled optical path. The focus spot is small, the positioning accuracy is high, and it is easy for automation.

Compared with conventional welding equipment, the advantages of fuel injector laser welding machines are:
1. The laser welding is controlled by computer without contact, it will not cause deformation on fuel injector.
2. Small laser welding heat affected zone, small deformation, fast welding speed, smooth and beautiful weld seam.
3. High reliability, maintenance-free operation, precise control.

Shenzhen Sunlasers metal fuel injector laser welding machine has high reliability, high-end PC control and workpiece trajectory movement, which can realize any plane pattern composed of points, lines and circles. The laser beam has excellent quality which can insure more efficient and perfect soldering for customers.


  • 2021-10-08
  • 2021-10-08
  • 2021-10-07
  • 2021-10-07
  • 2021-10-06


Contact: Yousheng Fang

Phone: 13751052375

Tel: 0755-27388711

Email: szsunlaser@163.com

Add: Floor 5, Building B, Dingfeng Science and Technology Park, Songgang Tantou 5th Industrial Zone, Baoan District, Shenzhen, China.