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Common problems and causes and solutions in the use of laser cutting machines

Common problems and causes and solutions in the use of laser cutting machines

Generally, the following points will cause the laser cutting machine to not cut or operate when it is turned on:

Touch the emergency pause button by mistake

The controller has no power or the input voltage is less than 22v

Check the limit switch when the two axes of the device can only move in one direction

Control card without control network signal output

Loose gear coupling or transmission gear

The impulse and take-off speed do not match, it will make the sound of the motor not moving the transmission gear

The laser tube of the laser cutting machine does not emit light. Generally, there are three types:

1. There are reasons for not being able to get out of light

Check the water flow of the water circulation system of the laser cutting machine to see if there is any water out of the nozzle pipe. Once the water outlet pipe is normal, you can take a look at this time. How long has it taken since it was turned on. Once it has been used for half a day or more than two hours, you need to check if there is water on the outer layer of the laser tube at this time. Water, that is because the temperature of the water is too high, causing the laser tube to blow up.

Once there is no water in the outer layer of the laser tube, check the laser welding power supply at this time. There is a red button on the laser welding power supply. Press it to see if there is any light. At this time, you need to check whether the water outlet of the water protection is blocked, and then completely remove the water protection, and try to rinse with water. At this time, pay attention to the water inlet and outlet of the water protection. They must not be reversed, otherwise the laser tube will be destroyed.

The second method is to first connect the PG on the laser welding power supply (connected with a wire), but at this time, pay attention to check the water circulation system. The water protection does not respond to prevent the laser tube from still being destroyed. Once there is still no light, it means that the laser welding power supply is broken, and you need to find a manufacturer to replace it.

2. About the reason why the light using the laser tube becomes weaker and weaker

First of all, in the case of the circulation system of the water chiller, if the circulation system is abnormal, shut down the power supply and check whether the water pump or chiller power plug is plugged in. Then, check whether the voltmeter of the laser cutting machine is normal. If it is normal, it is likely to be a problem with the laser tube. Find the manufacturer to replace or repair it. If the voltmeter is abnormal, it means there is a problem with the laser welding power supply. Find the manufacturer to replace or repair it.

3. It’s okay to use it gradually, there will be no light when you turn it on the next day.

First of all, check the condition of the water circulation system of the laser cutting machine to see if there is normal water output. Then, check the voltmeter of the laser cutting machine, and press “Light” to see if the indicator needle of the voltmeter is hit. Once it is below 5 mA, it means that the power supply is broken. Find the manufacturer to replace or repair it.

Next, if the voltmeter does not move, check whether our laser power switch is turned on, if it is turned on, check whether the laser power indicator light is on, then press the absolute button on the laser welding power supply, and look at the current hand indicator Needle, if the indicator needle is moving and less than 5 mA, the laser welding power supply is broken, or the relatively large light intensity and ultra-small light in the software are emphasized to 50%, and then press the voltmeter to see if the needle is reached 10-12 mA, if it is not reached, it is the laser welding power supply or motherboard problem.

In summary, you need to review the following six reasons:

The chiller does not turn on the chiller.

The chiller power cord is not connected

Did not close the protective cover on the device

Laser welding power supply has no input voltage (220/110)

Laser tube destroyed

No signal output from control card

Original Link:https://lasercutting-service.com/common-problems-and-causes-and-solutions-in-the-use-of-laser-cutting-machines/

Wonder Inc is the leading provider of china laser cutting solutions and has been advancing the application of laser technology since 1995. Research and Development efforts have resulted in numerous patents, with several pending, in our continual pursuit to develop and enhance laser systems that benefit the customer. Our R&D philosophy and execution are based upon designing highly modular solutions which gives customers the flexibility and investment protection to optimize laser systems as their business evolves.