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How laser cutting machines work

How laser cutting machines work

Author: Nanjing full-Rui Technology Published: 2019-10-14 17:45 views:
Laser is a kind of light. Like other natural light, it is generated by the transition of atoms. However, unlike ordinary light, the laser only relies on spontaneous radiation for a short period of time. The subsequent process is completely determined by the excitation radiation. Therefore, the laser has a very pure color, almost no divergent directivity, and high luminous intensity. And a high degree of coherence.
Laser cutting is achieved using high power density energy generated by laser focusing. Under the control of a computer, the laser pulses through a pulse discharge to output a controlled repetitive high-frequency pulsed laser, forming a certain frequency and a certain pulse width beam. The pulsed laser beam is transmitted and reflected through the optical path, and is focused on the surface of the processed object through the focusing lens group to form a fine, high-energy-density light spot, the focus is located near the processed surface, and the material melts or evaporates under instant high temperature. Each high-energy laser pulse ejects a small hole instantly on the surface of the object. Under the control of the computer, the laser processing head and the material to be processed carry out continuous relative movement according to the pre-drawn graphics, so that the object is processed into the desired shape.
The process parameters (cutting speed, laser power, gas pressure, etc.) and motion trajectory are controlled by the CNC system, and the slag at the weld is blown away by a certain pressure of auxiliary gas.


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Nanjing Quanrui Technology Development Co., Ltd., located in Gaochun District, Nanjing, was established in 2000. It is a professional manufacturer of forging machinery industry in China. Specializing in the production of Quanrui series CNC slotting machines and fiber laser cutting machines. In recent years, our company has relied on science and technology to develop the numerical control system of CNC slotting machine and optical fiber cutting machine and equipment ...