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Fault diagnosis of laser marking machine, how to deal with leakage situation?

by:Leadtech Coding     2021-11-09

CO2 laser marking machine uses laser beam to make permanent marks on the surface of various materials.

The effect of marking is to expose the deep material through the evaporation of the surface material, or to 'carve' traces through the physical changes of the surface material caused by light energy, or to burn off part of the material through light energy to show what is needed Various patterns such as etched patterns, text, bar codes, etc.

The following is the treatment method given for the failure of the marking machine.

The fault diagnosis of laser marking machine, how to deal with the leakage situation?

1. The laser tube bright voltmeter has instructions. 1. The laser power drops. This fault is common in the laser tube aging. Inspection method: check the voltage regulator with a multimeter voltage file, and check the working voltage of the laser tube with a high-voltage meter. Treatment method: Replace the aging laser tube and replace the damaged components.

2. The light-emitting joint is not normal and the light-guiding joint is hot, mainly due to the loosening of the light-guiding joint and the laser tube not being installed properly. Inspection method: same light correction

Treatment method: replace or adjust the light-guiding joint, and correct the light path.

2. The laser tube does not light 1. The voltmeter has instructions. The fault is usually caused by an open circuit in the power supply line and poor contact of the foot switch or manual switch. Inspection method: measure with a multimeter. Treatment method: repair or replace.

2. The laser power drops. This fault is common in the aging of the laser tube. Inspection method: check the voltage regulator with a multimeter voltage file, and check the working voltage of the laser tube with a high-voltage meter. Treatment method: replace the aging laser tube and replace the damaged laser tube. element.

3. Continuously burning the fuse, the fault is due to a short circuit in the machine and serious dirt in the machine

Inspection method: check the wires step by step, mostly because the high voltage part has a short circuit

Treatment method: repair the short circuit and remove the dirt.

4. There is no indication on the voltmeter, the fault is usually the fuse is broken, or the circuit has an open circuit Check method: use a multimeter to measure the treatment method: replace the fuse, or connect the circuit.

5. There is discharge sound or arc light in the machine, and there is usually dust, water, or air humidity and corrosive gas in the machine. Inspection method: observe the discharge point in a dark place Treatment method: remove dust, stagnant water, etc., and change the working environment.


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