E-mail:Machine@chinaventech.com Expert for pre insulated duct CNC cutting machine.
Due to the flexibility and high efficiency of laser processing methods, more and more companies use laser to cut round holes. The cross-section of the circular hole processed by the laser is getting lubricated, and the diameter of the circular hole can be modified infinitely to meet the diverse needs of the factory.
But machining round holes with a laser cutting machine is not very simple and requires some skills. Let the laser engineer analyze the reasons and precautions for cutting round holes.
The blowing pressure is not appropriate.During the blowing process, if the pressure is too low, the edges will be scraped and carbonized. If the pressure is too high, the pores will simply explode. Therefore, it requires the perfect cooperation of the crafting engineer and the machine to choose the right air pressure based on experience, and then make the cut round hole more plump.
The round hole is too smallThe best solution for the laser cutting machine to cut the round hole is the 1:1 share of the round hole, that is, the share of the hole diameter and the plate thickness is 1:1. Of course, this share means that the larger the hole diameter, the easier it is to cut high-quality round holes. Otherwise, when the energy of the fiber laser cutting machine is insufficient, it is easy to cut small holes with residual break points, and the round holes are not round.
Servo motor parameter errorSometimes the circular hole is elliptical or irregular, which is related to the X\Y axis movement mismatch. The direct cause of the X\Y axis movement mismatch is the improper adjustment of the servo motor parameters. Therefore, the quality of the round hole also has certain requirements for the servo motor.
Precision error of guide rail and lead screwIf the parameter error of the servo motor affects the cutting quality, the precision error of the guide rail and lead screw will directly lead to the accuracy of the round hole not reaching the expected. This is related to the strength of laser cutting machine manufacturers. In practice, the quality and function of laser drilling are not good, which affects the added value of the product. Therefore, it is necessary to choose a high-quality, large-brand laser cutting machine.
These parameters are used to identify whether the parameters such as the accuracy and speed of cutting round holes meet the requirements of the specification, and are sufficient to identify whether the quality of the purchased laser cutting machine is qualified. Therefore, customers must keep their eyes open when buying a laser cutting machine.
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