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laser cutting machine maintenance instructions

September 27, 2019

How to cleaning your laser cutting machine

First, the replacement of water and the cleaning pump of the water tank: replace the chiller every three hours, water cooling every day, air-cooled once a week, clean the water tank every week. Note: The laser tube must be filled with circulating water before working.

The water quality and water temperature of the circulating water directly affect the service life of the laser tube. It is recommended to use pure water and control the water temperature below 35 °C. If it exceeds 35 °C, it is necessary to replace the circulating water, or add ice cubes to the water to lower the water temperature. (It is recommended that the user choose a cooling machine or use two water tanks).

Cleaning the water tank: first turn off the power supply, unplug the water inlet pipe, let the water in the laser tube automatically flow into the water tank, open the water tank, take out the water pump, and remove the dirt on the water pump. Clean the water tank, replace the circulating water, return the water pump to the water tank, insert the water pipe connected to the water pump into the water inlet, and arrange the joints. Power the pump separately and run for 2-3 minutes (fill the laser tube with circulating water).

Second, the long-term use of the fan cleaning fan will cause a lot of solid dust inside the fan, which will cause a lot of noise, which is not conducive to exhaust and deodorization. When there is insufficient suction of the fan, the power supply is first turned off, the air inlet pipe and the air outlet pipe on the fan are removed, the dust inside is removed, then the fan is inverted, and the fan blades are pulled up until it is clean. Then install the fan.

Three: cleaning of the lens (recommended to clean before work every day, the equipment must be turned off)

The author reminds you that there are 3 mirrors and 1 focusing mirror on the laser equipment (the No. 1 mirror is located at the emission exit of the laser tube, which is the upper left corner of the machine, the No. 2 mirror is located at the left end of the beam, and the mirror No. 3 Located at the top of the fixed part of the laser head, the focusing mirror is located in the adjustable barrel of the lower part of the laser head. The laser is reflected by these lenses, focused and emitted from the laser head. The lens is easily stained with dust or other contaminants, causing laser loss or lens damage. Do not remove the No. 1 and No. 2 lenses. Just wipe the lens with the cleaning solution carefully along the center of the lens. Edge rotary wipe. The No. 3 lens and the focusing mirror need to be taken out from the frame, and wiped in the same way. After the wiping is completed, it can be put back as it is.

Note: 1. The lens should be gently wiped, the surface coating should not be damaged (metal wood coated lens is more durable); 2. The wiping process should be handled gently to prevent falling; 3. Be sure to keep the concave surface facing down when installing the focusing mirror.

Fourth, the rail cleaning (recommended to clean once every half month, shutdown operation)

The guide rail and linear shaft are one of the core components of the equipment, and its function is to guide and support. In order to ensure the machine has high machining accuracy, the guide rail and the straight line are required to have high guiding precision and good motion stability. During the operation of the equipment, a large amount of corrosive dust and smoke will be generated during the processing of the workpiece. Based on the long-term deposition of the smoke and dust on the surface of the guide rail and the linear shaft, the machining accuracy of the equipment will be greatly affected. An etch point is formed on the surface of the linear axis of the guide rail to shorten the service life of the device. In order to make the machine work stably and ensure the quality of the products, it is necessary to carefully carry out the daily maintenance of the guide rails and linear axes.

Note: Please prepare the cleaning guide rails - dry cotton cloth, lubricating oil, the author reminds you: the guide rail of the cutting machine is divided into linear guide rails and roller guide rails. In the YM series, the linear guide is used in the X direction and the roller guide is used in the Y direction.

Cleaning the linear guide: first move the laser head to the far right (or left side), find the linear guide as shown above, wipe it with a dry cotton cloth until it is bright and dust-free, plus a little oil (can use sewing machine oil, cut Do not use engine oil. Push the laser head a few times to allow the lubricant to be evenly distributed.

Cleaning the roller guide: Move the beam to the inside, open the end cover on both sides of the machine, find the guide rail as shown above, wipe the place where the guide rails on both sides are in contact with the roller with a dry cotton cloth, then move the beam to clean the remaining place.

5. After tightening the movement system of screws and couplings, the screws and couplings at the joints will be loosened, which will affect the smoothness of the mechanical movement. Therefore, observe whether the transmission parts are in the machine operation. Abnormal noise or abnormal phenomena, and the problems should be sturdy and maintained in time. At the same time, the machine should use a tool to tighten the screws one by one. The first time it should be sturdy about a month after the device is used.

6. Inspection of the optical path The author reminds you that the optical path system of the cutting machine is completed by the reflection of the mirror and the focusing of the focusing mirror. There is no offset problem in the focusing mirror in the optical path, but the three mirrors are fixed by mechanical parts. The possibility of offset is large. Although the offset does not normally occur, it is recommended that the user check whether the optical path is normal before each work.

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