1.The heat input can be reduced to the minimum required amount, the metallographic change range of the heat-affected zone is small, and the deformation caused by heat conduction is also the lowest.

2.There is no need to use electrodes, and there is no concern about electrode contamination or damage. And because it is not a contact welding process, the wear and deformation of the machine tool can be minimized.

3.The laser beam can be focused on a small area and can weld small and closely spaced parts.

4.A wide range of materials that can be welded, and can also join various different materials.

5.Easy to weld at high speed automatically, and can also be controlled by digital or computer.

6.When welding thin materials or small diameter wires, it will not be as easy to be troublesome as arc welding.

7.Unaffected by magnetic field (arc welding and electron beam welding can be affected easily), can accurately align the weldment.

8.Two metals with different physical properties (such as different resistance) can be welded