More and more companies are beginning to apply laser-cut round holes because of the flexibility and efficiency of laser processing. The speed of the 500W fiber laser cutting machine is 90 meters per minute, which is enough for the high speed of many sheet metal processing plants. In addition, the round hole of the laser processing is smoother, and the diameter of the round hole can be modified infinitely to meet the diversified needs of the factory. .
However, machining a circular hole with a laser cutter is not very simple, but requires some skill.
1. The steel structure can be assembled accurately and quickly. The laser cutting machine can complete the cutting and processing of various patterns according to the cutting design. The steel structure processing for various environments can fully meet the requirements of its parts;
2. The steel structure adopts all-steel materials. The steel is used in large quantities. The computer is fully automated, the cutting speed is effective, and it can be equipped with multiple cutting torches at the same time. It can complete multi-part simultaneous cutting at one time, especially suitable for large-scale processing;
3. The steel for steel structure includes carbon structural steel, low-alloy high-strength structural steel, special-purpose steel and other materials. The laser cutting machine can complete the cutting of various metal materials, with wide application range and high processing quality. Steel structure refers to a structure that can withstand and transmit loads by connecting steel plates and hot-rolled, cold-bent or welded profiles through joints.
Let the laser engineer analyze the cause and precautions for the problem of cutting the hole.Blowing air pressure is not suitable
During the blowing process, when the air pressure is too small, there will be edge scraping and charring, and the pressure is too large and it is easy to explode. Therefore, this requires the perfect combination of the craft proofer and the machine, and the choice of the appropriate air pressure by experience, so that the circular hole is more full.
The hole is too small
The best solution for laser cutting machine to cut round holes is that the ratio of hole to hole is 1:1, that is to say, the ratio of hole diameter to plate thickness is 1:1. Of course, this ratio, that is to say the larger the hole diameter, cuts a high quality circle. Holes are easier. Otherwise, when the energy of the fiber laser cutting machine is insufficient, the cutting small holes are prone to breakpoints and the round holes are not round.
The servo motor parameters are incorrect.
Sometimes the ellipse or irregularity of the round hole is related to the mismatch of the X\Y axis motion, and the direct cause of the X/Y axis motion mismatch is that the servo motor parameter adjustment is not suitable. Therefore, the quality of the circular hole is cut, and the servo motor also has certain requirements.
Guide rail and lead screw accuracy error
If the servo motor parameter error affects the cutting quality, the accuracy of the guide rail and the lead screw will directly lead to the accuracy of the round hole not expected. This is related to the strength of laser cutting machine manufacturers. Usually, some small factories will lie to customers that the precision of laser cutting machine can reach 0.1mm, but in fact, in actual operation, the quality and effect of laser drilling will not be achieved. Good, affecting product added value. Therefore, it is very necessary to choose high quality and choose a large brand laser cutting machine.
All of these parameters are used to identify whether the accuracy, speed, and other parameters of the cut circular hole meet the standard requirements, which is sufficient to determine whether the quality of the purchased laser cutting machine is passed. Therefore, customers must have wide eyes when purchasing laser cutting machines.
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