When operating an ultrafast laser cutting machine, users may encounter several issues. For example, how to ensure cutting quality? This typically involves parameter optimization, such as adjusting laser power, pulse frequency, and focus position. Through experimentation and simulation, users can find suitable settings. Another issue is safety: laser equipment can pose radiation risks, so it's crucial to adhere to safety protocols, such as wearing protective gear and ensuring the work area is isolated. Material properties such as reflectivity or thickness can also affect the results and require prior testing.