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Laser cutting machine full maintenance and repair guide!

Introduction: laser cutting machine from the machine, lasers, lenses and other daily maintenance and maintenance, to provide you with comprehensive guidance!

1.the daily inspection and maintenance of machine tools

a. Daily boot, carefully check the laser working gas and cutting gas pressure, if the gas pressure is not enough, should be replaced.
b. Check whether the buttons such as X-axis zero, Y-axis zero, Z-axis zero, laser-ready status, etc. are damaged, (check the indicator).
c. Check the X-axis, Y-axis, Z-axis zero, limit switch and impact block mounting screws are loose, the axis of the limit switch is sensitive.
d. Check the chillers inside the circulating water level is sufficient, if not enough to be added in time.
e. Check the external light path of the road water leakage phenomenon, must be timely treatment of leakage, or affect the life of optical lenses.
f. After the cut is finished every day, check the lens for fear of damage.
g. Check whether the telescopic cavity of the outer optical path burns or breaks.
h. After the daily work is completed, clean up the cutting waste, clean the work site, keep the work site neat and clean. At the same time do a good job cleaning equipment to ensure that all parts of the equipment clean and free of dirt, equipment parts can not be placed debris.
j. After the daily work is completed, open the drain valve of the air compressor at the bottom of the air compressor and drain it. After the waste water is discharged, close the drain valve.
k. After the daily work is completed, press the shutdown procedure to shut down, and then turn off the total power of the entire machine.

2.the machine's weekly and irregular maintenance

a. Regularly clean up the debris at the outlet, to ensure that the ventilation effect.
b. Check the filter in the airway regularly to remove the water and debris from the filter.
c. Check the travel switch bracket and the bracket bracket screws regularly.
d. to clean up the electric control cabinet ventilation fan filter dust, to ensure good ventilation, in order to facilitate the internal electrical components cooling.
e. Reasonable bed in time to clear the body guide to protect the skin debris, so as not to damage the guide rail, thus extending the rail life.
f. After the machine is installed, use a period of time to adjust the level of the machine to re-adjust the machine to ensure the accuracy of cutting
g. The X-axis guide and the screw, the Y-axis guide and the lead screw, the Z-axis guide and the screw oil are filled every other week to keep the lubrication of the moving parts, The life of the bar.
h. Inspect the environment of the workshop from time to time (at least once a month) Check the mirror and focus mirror surface contamination, clean the optical lens in time to ensure its service life.

3.the machine outside the optical path optical lens maintenance

a. Optical lenses (mirrors, focusing lenses, etc.) surface, do not touch the hand directly, so easy to cause mirror scratches. If the mirror has grease or dust, will seriously affect the use of the lens, the lens should be promptly cleaned.
b. Optical lenses are strictly prohibited to use water, detergent and other cleaning. The surface of the lens is coated with a special layer of film, if used to clean the lens will damage the lens surface.
c. Do not place the lens in a dark, humid place, which will cause the lens surface to age.
d. the lens surface stained with dust, dirt, or water vapor, easy to absorb the laser caused by damage to the lens coating; ranging from the impact of laser beam quality, while no laser beam.
e. When the lens is damaged, please contact the Han family laser service department to repair, try not to use the lens has been damaged, otherwise it will accelerate the damage to the repair of the lens.
f. Do not use too much pressure when installing or replacing a mirror or focusing lens, otherwise it will cause deformation of the lens, which will affect the quality of the beam.

4.the installation or replacement of optical lenses

a. Before installing the optical lens to pay attention: wear clean, with soap or detergent to clean hands and wear white clean gloves; is strictly prohibited any part of the hand contact lenses; take the lens, should wear gloves, and from The side of the lens to take, do not directly touch the lens coating surface.
b. When assembling the lens, do not use the mouth to blow the lens toward the lens; the lens should be placed on the clean desktop, the next pad a few lens paper. Take the lens should be careful to prevent bruises and falls, and in the lens coating surface, are not allowed to exert any force; installation of the lens mirror mirror should be clean, with a clean air gun to clean the mirror in the dust and dirt , Then, remove the lens, gently into the mirror seat. c. When installing the lens to the mirror holder, do not use the lens to use the power to prevent the lens from being deformed, thus affecting the quality of the beam.
d. Precautions when replacing the lens: Do not take any pressure on the lens until the wrapping paper has not been opened before removing the lens from the box; remove the mirror and focus from the box When you remove the lens, remove the dust from the mirror and remove the dust from the mirror. After removing the lens, remove the lens from the lens. Remove the lens from the lens. The lens on the optical lens special paper; remove the lens holder and the shelves of dust and dirt, should not be assembled when the other foreign body fell on the lens; installation of the lens in the mirror seat, do not excessive force, so as not to lens deformation; After the assembly is complete, clean the dust and foreign matter on the lens with a clean air gun.

5.clean the lens steps

Different lenses, the clean method is different. When the mirror is flat and no mirror seat, use the lens paper cleaning, such as cleaning the mirror; when the mirror is a curved surface or mirror with a mirror, you should use a cotton swab clean, such as cleaning the focusing lens.
a. Use the lens paper to clean the lens steps: blow out the dust on the surface of the lens with a blower; clean the lens surface with alcohol or lens paper, do not drag the lens with a dry lens directly on the mirror, The surface of the lens, drop 2 to 3 drops of high purity alcohol or high purity acetone, the direction of the operator will be slowly out of the lens paper, repeated the operation of the operation several times until the mirror so far; if the mirror is very dirty, You can fold the lens paper 2 to 3 times, repeat the above steps until the mirror clean so far.
b. Use the cotton swab to clean the lens steps: first use the gun to blow off the dust on the mirror; then clean the stain with a clean cotton swab; with a new high-purity alcohol or acetone cotton swab from the center of the lens along the circular motion, After each week, for another clean cotton swab, repeat the above operation, until the lens clean so far, do not use the already used cotton swab to operate; with a clean cloth to clean the lens, remove the residual marks on the mirror, Scratched the mirror; will clean the lens to get plenty of light to observe the place, if the lens reflection is good, that the lens has been clean, if the lens reflection is not good, you have to continue to clean the lens; will have a clean lens , According to the method described above, the lens placed in the mirror seat.

6. the daily maintenance of the laser

The laser should be maintained before starting daily.

1) Check the laser working gas and cutting gas: Check the cylinder of the laser working gas
2) Check the cooling water pressure between 3.5 and 5Bar.
3) Check the temperature of the cooling water to the desired temperature of the laser.
4) check the laser vacuum pump oil level, if not enough, you need to add.
5) Check the laser oil, water, gas way leaks, vacuum pumps, resonators, pneumatic components, pipe joints are leaked.

7 .the laser weekly maintenance

1) Check whether the gas mixing unit of the laser has oil, water, if it is cleared in time
Check the laser gas dry filter, if more than 1/4 color into red or white, you need to be replaced, the normal color is blue.
2) check the vacuum pump and Luo pump the oil level, if not enough, you need to add.
3) Check the chiller's filter for impurities.
4) Check the laser cooling water circuit for impurities.
5) Check the condensate water level in the compressed air separator (located in the air supply unit). Check the vacuum pump oil level (below the air supply unit). When the pump is in a cold state, the oil level should be between the middle of the oil window + 5mm-0mm, if necessary, then refueling.

Check the Roots pump oil level

The oil level in the Roots pump gearbox can be seen through the oil window at the end of the gearbox. When the pump is switched off and in a cold state, the oil level should be between +5 mm and 0 mm in the middle of the glass and, if necessary, HTCL2100 oil

8.the laser every six months of maintenance (or run after 2000 hours)

1) check the laser laser head cooling water pipe is corrosive phenomenon, if there is to be timely processing or replacement of pipelines.
2) Check if the fuel supply port is leaking.
3) Check if the high voltage cable is damaged.
4) Check, clean the laser resonator inside and all the lenses, including the front window mirror, tail mirror, mirror and so on.
5) After the laser inside the laser is cleaned, the laser's light mode should be readjusted until the correct mode is reached.
6) Replace the vacuum pump oil.
7) Replace the Roots pump oil.
8) Carefully tighten all the plugs to ensure the airtightness of the Roots pump.
9) There is a white plastic plug on the Roots pump gas outlet and clean the plug and apply grease to its inner surface. The purpose of this grease is to adsorb the physical impurities in the circulating flow of the laser. (Only use silicon-free high vacuum grease, painted to be very thin).

9.chiller maintenance and maintenance

Chillers should be regularly maintained to ensure that the machine is in good condition
State work, if you encounter a failure, should be requested by professional and technical personnel to repair, not to dismantle the machine.
Chillers daily maintenance should pay attention to the following aspects:

1) regular cleaning heat sink, cleaning method: brush with a brush on the heat sink carefully brush, and then use compressed air blowing clean, if necessary, use water for special air-conditioning fin cleaning agent (common name dust) clean, rinse.
2) Regularly perform the dust on the condenser (same as above).
3) regularly check the water level in the chiller water tank, if the water level is too low, should be promptly added pure water or deionized water.
4) Check the electrical terminals regularly and dust (after power off).
5) regularly check the water system in the joints are leaking, whether the aging pipeline, if the phenomenon of leakage should be timely replacement of related components.
6) regularly check the water quality of the chiller water tank, if the cooling water quality deterioration, turbidity, transparency decreased, to timely deterioration of the cooling water all let go, replace the new cooling water.
7) regularly clean the filter filter on the impurities, if the filter is damaged, should be replaced, replace the filter must use the standard filter manufacturers requirements.

10.air compressor maintenance and maintenance


1) Before all maintenance operations must be closed before the air compressor and the compressed air tank inside the compressed air;
2) to do the daily drainage of 3 to 8 times (depending on the air humidity), after work to vent the gas tank and the water;
3) Wash the air filter every half month (the working environment should be shortened to shorten the cleaning cycle);
4) Replace the filter cartridge for every 1200 hours of work, check and clean all parts and replace the valve plate if necessary.
5) oil-free air compressor must run every 1000 hours on the compressor head crankshaft bearing filling a grease;
6) Wash the air filter every half month (short working environment should shorten the cleaning cycle);
7) See the air compressor manual.

11. cold and dry maintenance and maintenance

1) to do the daily drainage of 3 to 8 times (depending on the air humidity), after work to vent the machine in the air and water;
2) Wash the air filter cartridge once a month;
3) each month on the condenser cooling fins for a dust, cleaning work; 4) every six months to replace the air filter cartridge.

12. the maintenance and maintenance of power supply

1) After a month of operation of the new regulated power supply, re-tighten all the connection terminals in the regulator to the main power supply, especially the main circuit;
2) Check the elasticity of the sliding carbon brush every three months and blow the toner and dust on the components of the regulator with dry compressed air.