Principles of safe operation of laser cutting machine

Laser cutting is achieved by applying high power density energy generated by laser focusing. Under the control of the computer, the laser is discharged through pulses, thereby outputting a controlled repetitive high-frequency pulsed laser to form a beam with a certain frequency and a certain pulse width. The pulsed laser beam is guided and reflected by the optical path and focused by the focusing lens group. On the surface of the processed object, a small, high-energy density light spot is formed. The focal spot is located near the surface to be processed, and the processed material is melted or vaporized at an instant high temperature. Each high-energy laser pulse instantly sputters a small hole on the surface of the object. Under computer control, the laser processing head and the processed material perform continuous relative movement according to the pre-drawn graphics, so that the object will be processed into The shape you want. When the laser cutting machine is working, it is very dangerous if it fails. Novices must be trained by professionals to operate independently. The experts of the laser engraving machine have summarized 13 details of the safe work of the laser cutting machine based on their experience, hoping to help , As follows: 　　1. Observe the general safety operating regulations for cutting machines. Start the laser strictly in accordance with the laser startup procedure. 2. Operators must be trained to be familiar with the structure and performance of the equipment, and to master the knowledge of the operating system.　　3. Wear labor protection equipment according to regulations, and must wear protective glasses that comply with the regulations near the laser beam.　　4. Do not process a material before it is clear whether it can be irradiated or heated by laser, so as to avoid the potential hazards of smoke and vapor.　　 5. When the equipment is started, the operator shall not leave the post or be taken care of without authorization. If it is necessary to leave, the operator should stop the machine or cut off the power switch.　　 6. Keep the fire extinguisher within easy reach; turn off the laser or shutter when not working; do not place paper, cloth or other flammable materials near the unprotected laser beam.　7. When an abnormality is found during the processing, the machine should be shut down immediately, and the fault should be eliminated or reported to the supervisor in time. 8. Keep the laser, the bed and the surrounding area clean, orderly, and free of oil pollution, and stack the workpieces, plates, and waste materials in accordance with the regulations. 9. When using gas cylinders, avoid crushing the welding wires to avoid leakage accidents. The use and transportation of gas cylinders should comply with gas cylinder supervision regulations. It is forbidden to explode gas cylinders in the sun or close to heat sources. When opening the bottle valve, the operator must stand on the side of the bottle mouth.　　10. Observe the high-voltage safety regulations when repairing. Every 40 hours of operation or weekly maintenance, every 1,000 hours of operation or every six months of maintenance shall be carried out in accordance with regulations and procedures.　　11. After turning on the machine, manually start the machine in the X and Y directions at low speed, and check whether there is any abnormality.　　12. After inputting the new part program, test run it first and check its operation.　　　13. When working, pay attention to the operation of the machine tool to avoid accidents caused by the cutting machine going out of the effective stroke range or two collisions. (The above is edited and compiled by the titanium alloy laser cutting machine from the Internet. For details, please refer to www.gnlaser.com)