Laser pulse energy, laser pulse frequency, laser pulse waveform, the relative light absorption rate of the material to be welded, laser pulse width, laser beam spot diameter, welding speed, shielding gas and other parameters directly affect the production quality of laser welding machine elements.
Laser pulse energy: refers to the large output energy of a single laser pulse, in J (joule). This is the main parameter of the laser welding machine, which determines the maximum energy that the laser can produce. According to the purpose of mold maintenance, laser energy below 70J can already meet the needs of any occasion, whether it is futile energy, or simply can not be used, has brought the volume of the laser power radiator is increasing, reducing the power supply efficiency.
Compared with other traditional welding machine technology, laser welding machine has the following advantages:
First of all, the laser welding machine is non-contact processing and will not damage the processed parts during the welding process. The welding speed is fast, the welding strength is high, the welding seam is smooth, and the deformation is small. Welding can be performed on the machine under special conditions (such as confined spaces).
Secondly, the laser welding machine can weld special materials, such as refractory materials of high melting point metals, and can even be used for laser welding machines of non-metallic materials such as ceramics and plexiglass. It can weld special-shaped materials with good effect and flexibility. The non-contact long-distance welding machine can be applied to inaccessible welding machine parts.
Third, the laser beam is focused to obtain a very small spot. Because it is not affected by the magnetic field and can be accurately positioned, it can be used in miniature welding machines, suitable for the assembly and welding of miniature and small workpieces in large-scale automated production.