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Views: 32 Author: heyu Publish Time: 05-21-2020 Origin: fiber laser cutting machine
Causes and solutions of burrs in metal laser cutting machines.
The most common problem in the laser cutting machine during processing is that it is easy to produce burrs. Generally speaking, irregular metal parts such as sharp corners and burrs will appear at the transition of the workpiece surface. However, the common does not mean that the occurrence of burrs is acceptable, which directly affects the dimensional accuracy, shape accuracy and surface roughness of the processed parts, which reduces the product quality and brings subsequent inspection, assembly, performance and aesthetics. There are many problems, so you should try to avoid glitches.
Master teaches you to stay away from the glitches of laser cutting machines: Is the glitches necessarily caused by the quality of laser cutting machine equipment? Many companies found that when cutting with a laser cutting machine, there were many burrs on the workpiece, and the quality was very unsatisfactory, so they suspected that there was a problem with the quality of this cutting machine. Is this really the reason? In fact, it is not necessarily.
In most cases, the occurrence of burrs is not caused by the quality problems of the laser cutting machine itself, but by the wrong operation mode of the operator or the inadequate maintenance and maintenance of the cutting machine. In addition, there is another main cause of glitches, which is the problem of auxiliary gas. When performing laser cutting, the laser beam irradiates the surface of the workpiece to produce extremely high temperature, which quickly vaporizes and evaporates the surface of the workpiece, thereby achieving the purpose of cutting metal. The role of auxiliary gas is to blow off the residual slag on the surface of the workpiece after the workpiece is vaporized by laser beam irradiation.
If this is not done, when the slag cools, a layer of attached burrs will form on the cutting surface of the workpiece. Below, we will summarize, the causes of several common burrs, and their corresponding solutions to help you stay away from the trouble of laser cutting burrs. Common causes of burrs and solutions Reason 1: The upper and lower positions of the focus of the laser beam generated by the laser cutting machine are deviated, resulting in the energy not being concentrated on the workpiece, the workpiece is not fully vaporized, and the amount of slag is increased, which is not easy to blow off , Which makes it easier to produce burrs. Solution: Adjust the position of the focus of the laser beam, and adjust it to the best state according to the offset position.
Reason two: The output power of the laser cutting machine is not enough to vaporize the metal effectively, resulting in excessive slag and burrs. Solution: Check whether the laser cutting machine is working normally, if it is not normal, it needs to be repaired and maintained in time; if it is normal, it is necessary to check whether the output value is correct. Reason three: The cutting speed of the laser cutting machine is too slow, which destroys the surface quality of the cutting surface and produces burrs. Solution: Adjust and increase the cutting line speed in time to make it reach the normal value. Reason four: The auxiliary gas purity of the laser cutting machine does not reach the required standard, and it will also cause burrs on the workpiece. Solution: Replace the auxiliary gas with higher purity. Reason five: The working time of the laser cutting machine is too long, so that the equipment has an unstable working state, which will also cause burrs.
Solution: Turn off the laser cutting machine, and restart it after a while to make it get a full rest.
Metal laser cutting machine is a precision machine, often a data error will cause its work to run abnormally, so in the work Strict and reduce errors. These are some factors that may cause burrs in the laser cutting machine and specific treatment measures. I hope everyone can solve them when facing such problems. More info
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