The entire process of the laser welding machine belongs to the heat transfer type, that is, the laser radiation source heats the surface of the product workpiece, and the surface heat energy diffuses into the interior through heat transfer. According to the main parameters of the laser pulse generator, such as the total width, kinetic energy, output power and repeated working frequency, the product workpiece is melted and a special molten pool is generated. Its unique advantages are also applied to small and medium-sized parts in miniature high-precision laser welding machines.
How to improve the quality of laser welding machining products? One of the key parameters of laser welder is output power. If you choose a high-power fiber laser welder, it can be heated quickly in a short time and then evaporated. In addition, the output power is also closely related to laser cutting and hole opening; Low power can make the surface temperature rise to the boiling point of water, and then the bottom melt, the surface gasification, so as to achieve the purpose of metal laser welding machine.
Another major parameter in the machining process of mechanical equipment is the laser pulse width, which plays a crucial role in the overall price and shape of mechanical equipment, and is also the main parameter different from melting. At the focus of the laser welding machine, the focus of the laser welding machine is very harmful to the production and processing quality, and the size of the focus is determined by the length of the lens focal length. Therefore, in order to better improve the production and processing quality of the fiber laser welding machine, the spot formed by the focal length of the end lens is very small, requiring a small gap between the product and the workpiece.
In addition, when the positioning accuracy of the connector position is not high, we can use a long lens focal length laser welding machine with high power density. The most important part of the laser welding machine is the waveform of the laser pulse generator, which is also a difficult problem that must be paid attention to during the processing of the fiber laser welding machine. When using a laser welding machine, when the laser enters the surface of the raw material, 60%-98% of the kinetic energy will be damaged by the reflected surface.
Due to the external temperature change, the reflection coefficient of the metal material will change when the pulse generator is working. Therefore, in the whole process of laser welding processing, if you want to improve the quality of laser welding production and processing, you need to pay attention to factors that will endanger the quality.
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