The laser marking machine only has red light and no laser. What's the matter?

In the process of laser marking machine processing products, there will be some failures. Today we will talk about how the laser marking machine does not emit light. There are two situations in which the laser marking machine does not emit light. The first one The laser marking machine has only laser but no red light. The second is that the laser marking machine only emits red light without laser. In the first case, we have already described how to troubleshoot and solve the problem in the previous article, you can click What should I do if the fiber laser marking machine does not have red light? Now we will focus on the second situation. How to solve it?

What is the matter with the laser marking machine with only red light and no laser< /p>

1. The reason why the laser marking machine only has red light and no laser:

1. The power module is broken, or the power supply is broken, there are many reasons for this type of problem , The laser module is not adjusted properly, which may lead to no light, and the board and software are not properly debugged.

2. The laser type is incorrectly selected, the main board, wiring board, power supply or control line connection and cooling water circulation system failure.

3. The internal parts of the laser are damaged and need to be checked and replaced.

Second, the laser marking machine only has red light but no laser:

1. Laser problem: If there is no problem with the output of the laser power supply, use an oscilloscope to give the laser signal Let the laser emit light, if there is no light, the laser is broken;

2. Galvanometer problem: The galvanometer swing position is wrong, or the galvanometer is not powered on (use a meter to check whether the switching power supply is normal) , it may be that the galvanometer lens is broken. In this case, please do not emit light all the time;

3. Marking card problem: measure the output laser signal of the marking card to see if there is any voltage change. No, it means the marking card is broken;

4. Caused by improper operation: if there is a chiller, if the chiller is not turned on, the laser will not be turned on, or the connector switch at the laser control Wait for it to be pulled out and check it carefully and patiently.

To sum up, if the fault still cannot be solved, it is recommended to ask the laser marking machine manufacturer to repair it in time, which is time-saving and efficient, so as to avoid unnecessary damage to the machine.

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