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What is laser cutting?

The information comes from:the Internet posted on:2023-07-21

Laser cutting technology is widely used in metal and non-metallic materials processing, can greatly reduce the processing time, reduce processing costs, improve the quality of the workpiece.


The modern laser has become the "sword" of the "iron-cut" people's dreams. Take laser cutting machine as an example, the whole system consists of control system, motion system, optical system, water cooling system, smoke exhaust and air blowing protection system and so on. It adopts the most advanced numerical control mode to realize multi-axis linkage and laser speed-free Energy cutting, while supporting DXP, PLT, CNC and other graphics formats and to strengthen the interface graphics rendering capabilities; the use of superior performance imported servo motor and drive-oriented structure to achieve good movement at high speed accuracy.


Laser cutting is achieved by applying high power density energy generated by laser focusing.


Under the control of a computer, the laser is pulsed to discharge a controlled pulsed laser light of a repetitive high frequency to form a light beam with a certain frequency and a certain pulse width. The pulsed laser light beam is transmitted and reflected by the light path and focused by a focusing lens group Processing the surface of the object, the formation of a subtle, high-energy density spot, focal spot is located near the surface to be processed, instantaneous melting or gasification of the processed material. Each high-energy laser pulse instantaneously splashes the surface of the object into a small hole. Under the control of a computer, the laser processing head and the material to be processed are continuously moved relative to each other according to the pre-painted pattern so that the object can be processed into The shape you want During cutting, a stream of air coaxially with the beam is ejected by the cutting head and the melted or vaporized material is blown out of the bottom of the cut. (Note: If the blown gas and the material being cut produce a thermal effect, the reaction will provide a cut The additional energy required; the airflow also has the effect of cooling the cut surface, reducing the heat affected zone and keeping the focusing mirror free from contamination.


Compared with traditional sheet metal processing methods, laser cutting has high cutting quality (narrow incision width, small heat-affected zone, smooth incision), high cutting speed, high flexibility (free to cut any shape), a wide range of materials Adaptability and other advantages.