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Laser cutting machine factory introduction: laser cutting machine how to cut high anti material

2020-04-11

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Can the laser cutting machine cut materials with high reflectivity? What are the characteristics of the laser cutting machine cutting highly reflective materials? What should I pay attention to? Is it harmful?Laser cutting machine manufacturerswill take you to understandmetal laser cutting machineCutting and application in metallic highly reflective materials.
Many types of laser technology suffer from their inherent sensitivity to return light, which can lead to unstable operation and destructive automatic shutdown during processing, and even cause great damage to the laser, thus significantly shortening the service life of the laser.metal laser cutting machineCutting high reflectivity materials is an important issue for many laser cutting machine manufacturers. High reflectivity metal materials have been difficult to usemetal laser cutting machinecutting, including copper, aluminum, gold, etc. These materials are also more common in our daily processing.

激光切割机厂家


When cutting high reflectivity materials, some auxiliary gas must be added to increase the cutting speed. So, why do you need to add auxiliary gas to cut high reflectivity metal materials? When the metal laser cutting machine cuts metal copper, the added auxiliary gas will react with the material under high temperature conditions, thereby increasing the cutting speed. For example, the use of oxygen can achieve the effect of combustion. As far as cutting equipment is concerned, nitrogen is an auxiliary gas that can improve the cutting effect. For copper materials below 1MM, you can usemetal laser cutting machineProcessed. When the thickness of the metal copper reaches 2MM, if only nitrogen is used for treatment, oxygen must be added and oxidation must be performed to achieve cutting.
Due to the possibility of damage to the lens system, extreme care should be taken when performing reflective metal laser cutting. Special systems and techniques have been developed that do not degrade cutting accuracy. What are these technologies?

In practice, laser cutting machine manufacturers often encounter highly reflective metals such as aluminum. The cutting of these metals requires special attention. Due to its reflective characteristics, if the cutting parameters are not adjusted properly or the surface is not polished, the laser lens may be damaged. In addition to aluminum, laser cutting of stainless steel, which is further processed by polishing, is also a major problem.
Why is it difficult to cut? The working principle of the CO2 laser cutting machine is that the heat of the laser beam is completely absorbed by the material, and the reflective characteristics of the metal will cause the laser beam to be repelled. In this case, the inverted laser beam will enter through the head of the lens and mirror system of the laser cutting machine, thereby damaging the machine.
In order to prevent the reflection of the laser beam, several measures need to be taken. For example, the reflective metal is covered with a coating that absorbs the laser beam. This cutting method will not affect the quality and accuracy of cutting, and will not damage the laser cutting machine.
In addition to the above treatment, most modern laser cutting machines are also equipped with a self-protection system. In the event of laser beam reflection, the system will turn off the laser cutter to prevent damage to the lens. The entire system works according to the radiometric principle, I .e. it is monitored during the cutting process. Moreover, technological advances have developed laser cutting machines that can resist this situation, which is fiber lasers.





Hebei Chuangli Electromechanical Technology Co., Ltd. is a large-scale domestic intelligent equipment manufacturing R & D and production enterprise. It specializes in laser cutting equipment, intelligent steel structure production lines, industrial robots and other equipment. We will repay our customers with high-quality products and sincere service. Support and love! If necessary, please contact us:
Advisory hotline: 4000-888-086
Mobile Phone/WeChat: 15933391314 Wang
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Company address: 969 Xingtai Street, Xingtai Economic Development Zone, Hebei Province