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Laser Marking Machine 14 Kinds Faults And Solutions


Apr 16.2018
No light

The old Q drive ON, OFF, RUN three file bit selection error, OFF is forced to turn off the laser command, ON for forced light command, the correct way is to select the RUN run.

The card is bad and the card is changed. The gold oranges card is high when marking, that is, the bid time is 5V, and the bid time is 0V.

The card connects with the signal on the drive, opens, transposed or re welded.

The light path has not been adjusted, and the light path is remedied again.

The krypton lamp is broken and the krypton lamp is changed.

Computer operation system or computer block, reinstall system or switch computers.

The laser power supply is bad and the laser power is changed.

The Q drive is bad and changes the Q drive.

Q switch is bad, switch to Q switch.


Weak light

The marking software CW method is not selected, and the light will be very weak. Select CW method.

Q drive M1, M2, M3 gear dial, the correct way is to choose M1.

The focal length is at fault, and the focal length is remedied again.

The water temperature is too high.

Krypton lamp is replaced by krypton lamp.

All or half reflection lens, focusing lens, galvanometer lens, Q switch lens dirty or wipe flowers. Clean or change.

The cavity, the total reflector, the half reflector and the beam expander are not adjusted and remediated.

The Q switch is not adjusted. The normal condition is to light up when marking. When Q is not marked, the switch must be locked. The current laser power supply was sold up, doubling slices before the half mirror to see if there is no leakage. If the light, light will be very weak, re mediation of Q switch.

The laser doesn't hit the center of the galvanometer, or the lens of the galvanometer. Reset the light path or change the vibrating mirror.


Continuous luminescence

Incorrect switching sequence may lead to continuous lighting. The correct starting order is: total power supply = > computer = > computer = > marking software = > cold water machine = > Q driver = > laser power = > > when the READY light on the exciting power supply is brighter = > Press RUN to start = > galvanometer power switch. The order of shutdown is the opposite.

On the old Q drive, the ON, OFF and RUN gear switches are wrong, ON is the mandatory lighting command, and OFF is the mandatory shutdown of laser command. The right way is to choose RUN operation.

The card is bad and the card is changed.

The Q switch is not adjusted. The normal condition is to light up when marking. When Q is not marked, the switch must be locked.

The problem of computer or control system. Change or reload system.

The Q drive is bad and changes the Q drive.

The Q switch is bad, changing the Q switch (which is less. Generally speaking, the Q switch is broken, and the Q drive will alarm).


Immovable mirror

The card is bad and the card is changed. The voltage of X and Y galvanometer signals on board is normal: the time of marking is between 0-5V and 0V is not marked.

The signal line of the vibrating mirror is opened and changed.

The mirror is blocked by the vibrating mirror.

Computer operation system or computer block, reinstall system or switch computers.

Vibrating mirror and screaming

The ground wire is not connected, and the ground wire is reconnected.

The card is bad and the card is changed.

Turn off the laser power, the Q driver, if the lens is gently touched by the hand or if the mirror is screaming, if it is blocked, the laser power and the Q drive are opened one by one to judge whether it is a laser power or a Q drive.

If it is because the laser power causes the vibrating mirror jitter or screaming, the high voltage line of the laser power supply can leave as much as possible with the other signal lines, generally speaking, the obstruction can be excluded. If the hindrance still exists, switch the laser power.

If the Q driver causes the vibrating mirror jitter or screaming, it should be checked whether the connection between the Q driver and the Q switch is short circuited, and the short-circuit of the signal line will cause this obstruction. If the hindrance still exists, the Q drive can be changed.

The mirror is broken and the mirror is changed.

Computer operation system or computer block, reinstall system or switch computers.




The effect of marking is not good

The cause of marking software or system. Reloading system or marking software.

The parameters of marking software were not adjusted well, and the parameters were remediated.

The focal length is not adjusted, and the focal length is remedied again.

The graphics that are marked are not well done or labeled.


Graphic deformation

The figure is not done well and redone.

The parameters are not adjusted well, re adjust the distortion correction, and the pillow is bulging and straight.

The mirror has not been tuned well. Remediate.

There are problems in marking software or system, resettlement software or system.

The mirror is broken and the mirror is changed.

Size is wrong

The size of the exported graph is not consistent with the size of the required graphics, and the map is redone. Simple graphics can use the marking software to make the size more self adapted, and the graphics of two or more shapes are easy to deform.

The focal length has changed and the focal length has been re adjusted.

The proportion parameter is not adjusted well. Remediate the parameters.

If we mark multiple patterns in the same graph and the size of each pattern is different, golden orange software can mediate the correction parameters.




Staggered mark

After a period of labor, the marking is misplaced (YMDF and RF series marking machines are identical).

The screws of the stabilizing mirror are not locked, and the galvanometer is stable.

The operation system or marking software problem, or the operation system equipped with antivirus software sometimes can also cause this problem. Reinstall the system or delete the anti-virus software, then reinstall the marking software.

Mirror your own problem, change the vibrating mirror.


Marking a straight line into a wave type

The ground wire is not connected, and the ground wire is reconnected.

Vibration mirror problem, change the vibrating mirror,

Laser power, static electricity and so on.


Foot switch does not work

The foot switch is bad and the pedal switch is changed.

The card is bad. Foot switch signal voltage. Normally, there is a 5V signal voltage for marking and non marking.

The signal between the card and foot switch is connected and opened.

If it is a golden orange card, also check (F3 parameter) / port / start mark port / input port setting is 0, if not set to 0, the foot switch does not work.

Air switch tripping

Check to see where there is high pressure

Check whether the output power exceeds the rated power

Main circuit breakage


Cold water machine does not work

Whether the power line of the cold water machine is connected

Check whether the input voltage is low

The cold water machine has a hindrance

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