Common faults and solutions of fiber lasers

1. Unstable laser output
Unstable laser output is one of the common faults in fiber lasers, which may lead to unstable processing quality or even processing failure.
Possible reasons:
(1) Laser lens contamination
(2) Poor heat dissipation of laser
(3) The laser power supply is unstable
resolvent:
(1) Timely clean the lenses inside the laser
(2) Check if the laser heat sink is functioning properly, and replace it promptly if necessary.
(3) Check the stability of the laser power supply and replace it promptly if there are any problems.

2、 Poor spot quality
Poor spot quality can directly affect machining accuracy, so this is also a common fault.
Possible reasons:
(1) Internal lens contamination of laser
(2) Poor fiber optic connection
(3) Modulation module damaged
resolvent:
(1) Regularly clean the internal lenses
(2) Ensure the quality of fiber optic connections and replace damaged fibers in a timely manner.
(3) Check and replace the modulation module.

3、 Fiber optic damage
The fiber of a fiber laser is easily damaged due to improper human operation or long-term use, which not only affects the processing accuracy of the laser, but may also cause the laser to malfunction.
Possible reasons:
(1) Long term use leads to fiber aging
(2) Human collision or excessive bending
(3) Component damage
resolvent:
(1) Regularly replace aging optical fibers
(2) Avoid collisions or excessive bending
(3) Inspect and replace damaged components

In summary, for common faults in fiber lasers, we need to analyze the possible causes in a timely manner and solve the problems in a targeted manner. Only in this way can the laser operate normally and stably, thereby helping to improve processing quality and efficiency.