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What to Keep in Mind When Operating a Laser Welding Machine
szhaiwei
2025-10-30
Using a laser welding machine correctly is essential for achieving consistent weld quality, protecting the equipment, and keeping operators safe. Many issues arise not from machine defects, but from incorrect operation. Here are key points to consider for daily use.
Always Use the Right Safety Gear
Laser radiation can cause serious eye and skin injuries. Always wear laser safety glasses rated for the wavelength of your laser welding machine—usually 1064 nm for fiber lasers. Also, use protective clothing to guard against sparks and hot metal. Make sure the work area is marked with warning signs and access is limited during operation.
Check Optics and Cooling Before Starting
Dust, oil, or scratches on the focusing lens or protective window can reduce beam quality and lead to poor welds. Inspect and clean these parts regularly using proper tools and materials. Also, verify that the chiller is running and coolant levels are sufficient. Overheating can shorten laser source life and affect performance.
Set Parameters Based on Material and Joint Type
Don’t rely on default settings. Adjust laser power, pulse shape, frequency, and welding speed according to the metal type, thickness, and joint design. Test on sample material first to confirm penetration and appearance. Using incorrect settings may cause porosity, cracking, or weak joints.
Secure Workpieces Properly
Even slight movement during welding can ruin the result. Use reliable fixturing to hold parts in place. For automated systems, ensure sensors and clamps are working correctly to prevent misalignment.
Keep the Work Area Clean and Ventilated
Remove flammable materials and metal debris from the area. Use fume extraction to capture smoke and particles, which helps protect both the operator and the machine’s optical components.
Follow Proper Shutdown and Maintenance Steps
After use, power down the system correctly. Schedule regular maintenance based on usage, not just when problems appear.
By following these practical guidelines, users can get the most from their laser welding machine while minimizing risks and downtime.
Haiwei Laser\'s laser welding machine is designed for simple operation and long-term stability, with minimal maintenance required, making it reliable for continuous production.
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