Reasons:

• Laser power is set too low, resulting in insufficient marking depth.
• The laser focus is misaligned, causing uneven energy distribution.
• Marking speed is too fast, reducing contact time between the laser beam and material surface.
• The material surface is uneven or contaminated (e.g., oil stains, dust).
  Solutions:
• Adjust the laser power and marking speed to match the material.
• Check and adjust the focal distance to ensure proper alignment.
• Clean the material surface to remove any contaminants.
• Test and fine-tune the parameters for optimal marking results.

Reasons:

• Laser power is insufficient to embed energy effectively into the material surface.
• The material surface is smooth or hard, reducing the laser’s impact.
  Solutions:
• Increase laser power or adjust the pulse frequency to penetrate the material surface deeply.
• Consider using alternative materials or modifying the marking process parameters.

Reasons:

• Improper software settings or program errors.
• Hardware issues with the laser or other components.
• Unstable power supply or low voltage.
  Solutions:
• Check software configurations and parameter settings for accuracy.
• Restart the marking machine and verify hardware connections.
• Inspect the power supply voltage for stability and use a stabilizer if necessary.

Reasons:

• The laser focus is incorrectly adjusted, or the optical path is misaligned.
• The marking head or reflective mirrors are contaminated, affecting focus quality.
  Solutions:
• Inspect and adjust the laser focus to ensure accurate alignment with the material surface.
• Clean the lenses and mirrors of the laser marking machine to remove dust or stains.
• Perform regular equipment maintenance to ensure proper optical path alignment.

Reasons:

• Unstable power supply or faulty power adapter.
• Incorrect startup parameters or software issues.
• Aging or damaged laser tube, reducing energy output.
  Solutions:
• Inspect the power supply voltage for consistency, and replace the stabilizer if needed.
• Restart the software and verify system parameter settings.
• Replace the laser tube if it is damaged.

Reasons:

• Laser power is too high or too low, causing uneven surface treatment.
• Uneven material surface or contamination during the marking process.
  Solutions:
• Adjust laser power, frequency, and speed to optimize marking parameters.
• Keep the material surface clean and regularly inspect the marking area.
• Test various process parameters to achieve the desired marking effect.

Reasons:

• Mechanical components of the laser marking machine are loose or unbalanced.
• Worn-out motors or transmission parts.
  Solutions:
• Inspect mechanical components, especially the frame and laser head, for looseness.
• Check the motor and transmission system, and replace damaged parts as needed.
• Perform regular maintenance to ensure mechanical stability and balance.

Reasons:

• Prolonged operation of the laser marking machine with inadequate cooling.
• Extended use of the laser, leading to overheating.
• Faulty cooling system, such as a malfunctioning fan or water cooling system.
  Solutions:
• Regularly inspect the laser and cooling system to ensure proper functioning.
• Schedule reasonable work intervals to avoid prolonged high-load operation.
• Clean cooling fans and water cooling systems to maintain effective heat dissipation.

Reasons:

• Vibrations during transportation or use, causing component misalignment.
• Faulty control system, leading to coordinate errors.
  Solutions:
• Calibrate the machine and inspect the coordinate system and mechanical alignment.
• Perform routine maintenance to ensure seamless hardware and software operation.

Reasons:

• Incompatibility between the marking software and the operating system.
• Incomplete or conflicting driver installation.
  Solutions:
• Verify software and operating system compatibility, and update to the latest version.
• Reinstall or update the device drivers to eliminate conflicts with the software.

Solution:

• Select the appropriate focus position and focus diameter, and adjust the power and speed to achieve optimal welding results.
• Keep the workpiece surface clean and use suitable shielding gas to prevent oxidation.
• Ensure proper preparation and alignment of the workpiece.

Solution:

• Adjust the welding speed according to the material and welding requirements.
• Ensure the focus position of the handheld laser welding machine is accurate to avoid excessively slow or fast welding speeds.
• Keep the optical system clean and stable.

Solution:

• Regularly inspect and maintain the optical system, ensuring lenses and mirrors are clean and intact.
• Calibrate the optical path to ensure the laser beam accurately focuses on the welding point.

Solution:

• Check the power cable to ensure stable power voltage.
• If the power issue persists, replace or repair the power supply unit.

Solution:

• Check whether the connectors are secure.
• Confirm that the internal and external control mode settings are correct.

Solution:

• Ensure nitrogen gas is turned on.
• Adjust the shielding gas flow direction to oppose the movement direction of the workpiece.

Solution:

• Regularly check the laser's working condition and replace aging components if necessary.
• Clean the cooling system's filter to ensure smooth water flow.
• Use a voltage stabilizer to ensure stable power supply.

Solution:

• Thoroughly clean the material or workpiece surface before laser welding to remove oil stains, contaminants, or zinc coatings.

Solution:

• Adjust the full-reflective and semi-reflective mirrors in the main optical path.
• Use imaging paper to inspect and align the circular beam spot.

Solution:

• Inspect the shutter connectors and apply lubricant to ensure smooth mechanical movement.

Solution:

• Increase the laser energy by adjusting the pulse width and increasing the current.
• Adjust the focal distance to bring the focusing lens closer to the focal position.

Solution:

• Inspect and replace faulty sensors.
• Check electrical connections to ensure proper contact.
• Perform regular maintenance on the cooling system, including cleaning filters and pipelines.