Which is Better, Water Cooling or Air Cooling for Laser Marking Machine?

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A must-have accessory for a laser marking machine is a cooling system, which can effectively prevent the equipment from heating up and causing damage to the accessories. Usually, there are two types of cooling systems: water cooling and air cooling.

Different types of laser marking machines are equipped with different cooling systems. Fiber laser marker is generally equipped with air cooling, UV with water cooling, and CO2 with water or air cooling, depending on the requirements of the configuration for the cooling system.

Whether the cooling equipment is water-cooled or air-cooled also depends on the power of the laser marking machine itself.

The difference between water cooling and air cooling

The cooling effect of water cooling is better than that of air cooling. Of course, the cost of water cooling is also relatively high. In addition, the water cooler is an independent device, so the device occupies a larger space, and is generally used for high-power laser marking machines.

And air cooling is usually suitable for low-power CO2 laser marking machines, fiber laser marking machines, etc. Air cooling is generally installed directly in the cabinet of laser marking machine, which is small in size and does not take up too much space.

Regular maintenance of cooling equipment

Water coolers require regular maintenance during use.

Change the water in the tank regularly to ensure that the water is pure. Distilled or purified water is recommended.

There should be no debris in the cooling water, and pay attention to whether the water in the return pipe flows smoothly.

Whether it is a water or air cooling system, the tank or fan should be cleaned of dirt and should be cleaned regularly.


Whether it is a water-cooled or air-cooled laser marking machine, we must use it in accordance with the manufacturer’s operating procedures. The quality of marking and the stability of equipment work are directly related to this.

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