What is laser welding? Laser welding principle and characteristics
Release time:
2024-10-30
Summary:
1. What is laser welding
Laser welding is an organic welding method that uses laser as a heat source to melt part or all of the cross-section of a workpiece and solidify it under certain conditions.
Laser welding has the characteristics of high energy density, large depth, fast speed, few heat affected zones, and high degree of automation.
2. Laser welding principle
The laser beam emitted by the laser can be focused onto a very small point, which has a very high energy density. When the laser beam is irradiated on the workpiece, the surface of the workpiece begins to melt and form a molten pool due to the absorption of the energy of the laser beam. By controlling the position and power of the laser beam, the shape and size of the molten pool can be effectively controlled, thereby achieving control over the weld seam.
3. Characteristics of laser welding
Compared to traditional welding methods, laser welding has the following advantages:
High precision: The laser beam can precisely control the shape and size of the weld seam.
Small deformation: Due to the extremely short heating time during laser welding, there will be less distortion.
Good weld quality: Due to the narrow width of the weld generated during laser welding, the quality of the weld is high and not easily affected by external environment.
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