This article highlights the Top 5 mistakes users make when operating CO₂ laser tubes, including cooling issues, alignment, power loss, installation, and maintenance. It also explains how Puri Laser’s advanced technology ensures long service life, strong power, and stable performance across cutting and engraving machines.

This article uses real-world cases to explain common CO₂ laser tube failures, what can be repaired, and the cost comparison between repairing and replacing. It also shares Puri Laser’s professional advice as a factory manufacturer and offers tips for extending your laser tube’s lifespan.

Users often face cutting inefficiencies, burnt edges, or unstable beams when processing thick materials. The real issue often lies in the CO₂ laser tube — especially with overclaimed power or poor beam focus. Puri Laser commits to true-rated power, pure and stable beam output, and long lifespan tubes, making it the trusted choice for high-load industrial laser cutting.

Puri Laser recommends using the right power settings for longer tube life and better value. Founded in 2009, we export to over 70 countries and are looking for distributors globally.

Wondering if your CO2 laser tube is going bad? This guide breaks down the real-world symptoms of a failing laser tube—like reduced cutting strength, unstable beam, and dropouts during use. With examples from 130W and 150W systems, we explain how to diagnose issues early and why choosing a long-lifespan tube from Puri Laser can save your workflow.