In recent years, more and more customers have chosen to use fiber laser cutting machines as cutting tools. As the fiber laser cutting machine is large-scale precision equipment and consists of many precision parts, it requires the most basic daily maintenance and upkeep during a specific period to ensure the normal operation of the equipment, reduce possible failures, and extend the service life of the equipment. As a novice, you may be confused about how to maintain a laser cutting machine, what cutting machine accessories need to be maintained, and the maintenance cycle. Don't worry we have obtained the daily maintenance cycle of laser cutting machines and matters needing attention from professional after-sales personnel to share with you, hoping to help you better maintain the laser cutting machine and extend the service life of the laser cutting machine.
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Notes: 1.When performing maintenance work, the machine must be turned off by the main switch to turn it off.All accessories need to be powered off.Safety regulations must be strictly observed to avoid accidents.
2. Cleaning Precautions: The entire equipment must be thoroughly cleaned at specified intervals. Obvious dirt can be scrubbed or removed with an industrial vacuum cleaner.
3. This article is only a brief introduction to the maintenance process of the machine and matters needing attention. If specific operations are required, please ask our after-sales personnel for specific processes or operate according to the accessory instructions. The maintenance process must strictly follow the operating procedures of each part, be maintained by a special person, and must not be barbaric to avoid damage to components.
4.The cycle is for reference only. If the processing volume is too much or the environment is dusty, please shorten the maintenance cycle to avoid damage to the machine.
Equipment maintenance requirements for fiber laser cutting are as follows:
1. Clean the fiber laser cutting head lens and nozzle.
Notes: 1. The fiber laser cutting head is a precision instrument. Please wear clean gloves when maintaining the laser head. 2. Please use cotton or cotton swabs and high-purity alcohol to wipe the lens. There must be no traces of residue on the lens until it is clean. 3. If the positioning is found to be inaccurate or the lower end of the nozzle is damaged, please replace it with a new nozzle. 4. Please make sure to replace the cutting head accessories in a clean and dust-free environment, otherwise it may cause damage to the laser source or the cutting head.
2.Make sure the machine goes to the origin
3. Check fiber laser source and nozzle concentricity.
4. Check whether the operation panel buttons and emergency stop buttons can work.
5. Check whether the cutting air pressure is normal.
6. Check air supply system leaks and pressure.
7. Check all levels of air filtration and drainage.
8. Check water lines for leaks.
9. Check whether the machine tool has abnormal noise.
1.Clean the X, Y-axis rack guides and Z-axis screw guides.
Note: Remove surface stains first and then apply lubricant.
2. Check the looseness of the exchange workbench chain and confirm the movement condition.
3. Check the filter for undischarged water.
4. Check the proximity switch of the exchange workbench (if there is an exchange platform) and the bracket bumper.
5. Check the proximity switch and bracket bumper of the exchange table (if there is an exchange platform).
6. Clean up the slag drawer.
7. Clean up foreign objects on the exchange table's guides and machine tool.
8. Inject oil 2 times to the Z-axis screw guide manually.
1. Check whether the components in the electrical cabinet are working properly and clean the dust.
Note: Do not touch the electronic components inside the cabinet directly. Clean the dust in the cabinet with a vacuum cleaner (do not use compressed air).
2. Precautions for changing water in the water cooler.
Note:1. Please ensure that the water cooler is powered off. When maintaining the water cooler, please strictly follow the instructions in the instruction manual.2. Use pure water when replacing.
1. Check whether the connecting parts of the cutting head are loose.
2. Adjust the constant temperature of the chiller (18-28 degrees).
3. Check if the motor driver connector is loose and clean it.
4. Check whether the air compressor is working properly.
6. Clean the computer host every three months. You need to clean the computer host, remove the fixing strip, and remove the cover. The motion control card and memory module can be removed and cleaned. Please use a clean and dry cloth to do this.
1. Check if the components in the cabinet are working properly and clean the dust.
2. Check whether the dust proof cloth of each axis is damaged.
3. Check whether the fixing screws of the rear door panel of the exchange workbench are loose.
4. Check if air compressor (if there is an air compressor )required maintenance .
5. Check if the air filter needs to be replaced.
6. Check whether the focusing lens collimating lens needs to be replaced.
1. Clean water pipes or replace.
2. Check the usage of each relay in the electrical cabinet and replace it if necessary.
3. Cleaning the laser source.
4. Check the contact of each cable and plug it in tightly.
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5. Check whether the cutting tooth plate needs to be replaced.
6. Check whether the focusing lens and collimating lens need to be replaced.
1.Replace the air filter element (if there is an air filter )and air line filter element.
2. Replace the chiller water line filter.
3. Replace aging water pipes and air pipes.
4.Check whether the screw guide balls need to be replaced.
5.Check whether the photoelectric travel switch and proximity switch need to be replaced.
1.Check whether the screw guide balls need to be replaced.
2.Check if the chain needs to be replaced.
3.Check whether the transmission gear needs to be replaced.
4.Check whether the high-pressure air pipe needs to be replaced.
5.Check if the safety relay needs to be replaced.
6.Check whether the computer host needs to be replaced.
Check the machine tool comprehensively
Something you should know in winter
1. Before winter comes, the water cooler should be replaced with antifreeze in time to prevent freezing damage to the water cooler, laser, laser head, etc. If the antifreeze is not replaced, it must be ensured that the water cooler runs without interruption, and prevent the water cooler from not working due to a power outage and causing freezing.
2. After winter is over, promptly replace the antifreeze in the water cooler with deionized water (steamed water, purified water). When replacing, use pure water to fill the water cooler 2-3 times and clean it before adding water.
If you have any other questions about the maintenance of laser cutting machines, please contact us directly, our professional after-sales service team will provide you with round-the-clock service
Hi everyone, I was just wondering if anyone here has or has thought about mounting a fiber laser on their Avid. I have a product I currently sell that requires 4th axis fiber laser cutting to produce, and it would be awesome if I could do it in house on a machine I understand.
From what I know, you need quite a bit of new equipment for a fiber laser to work, but it seems possible aside from the possibility of damaging the aluminum extrusions below the work.
@subnoize Absolutely, definitely an issue right now, the amount of vibration in my stock 4x8 pro is huge! I will definitely be switching to a steel frame similar to @corbin 's when I move to a new shop space in the next few years when my shop lease runs out.
@Eric Thanks for sending that along, exactly what I was looking for. That avid clone is wild, so similar except with thicker vertical frame pieces. Also, that guy needs some eye protection, why the hell is he looking right at the laser while its cutting!
Which rings just as bad. Steel is just as bad if not worse than aluminum.
None of the augmentations I have seen online will work. They all suffer from the same problem as the aluminum extrusion, lack of bracing.
The problem are the two inline bearings on the gantry. They flex like crazy. The aluminum the linear rails are fixed to is just the little ears in that slot.
What would work better for gantries this large are 4 bearings each side riding on two linear rails. Those rails attached to rigid frame would be the solution. So the Y axis bearings should be exactly like the X axis carriage but replace the with gray cast iron.
All of the examples I have seen online just replace the legs and leave that attached to the linear rails, which is the source of the flex and ringing.
I don’t expect everyone to own the equipment I do to test these things but it is actually easy to see by locking the steppers and just pushing on the gantry.
The legs are only 10% of the problem. The table is sturdy considering the it’s made from. The gantry is the problem, at least on my machine. Those rails flex and the aluminum with it.
EXTRA: there should be floating bearings too. Not having them builds oscillations in the system during high speed motion.
Super interesting, thanks for sharing your thoughts on that vibration. The two linear rails on each side would make a lot of sense. Would involve a pretty serious rebuild but could be worth it.
Also, in another thread you showed the vibration reduction from clearpath g-stop: https://www.youtube.com/watch?v=Aj1LyYEvstw&t=1s Do you think it would make more sense to switch to servos and let them do the work on vibration reduction versus machine modifications?
Have you made any of these modifications yourself? I would be interested to see what your current setup looks like.
The Teknic g-stop function is part of the SCSK line of motors (software controlled stepper killers). Teknic makes the controllers but they do not write motion planners. A motion planner is your Mach4 or LinuxCNC.
To write a module for LinuxCNC would be about 2 years of work with a competent team.
But by then ML will probably have something better, right?
I can’t get the funding from the bank to finish my current little CNC project so I am going to try crowdfunding. Its “version 1.0” but not yet a kit. Turns out making kits is insanely expensive, never expected that myself
If the crowdfunding works for that then I can start a long term project around ML motion planning. But you are years away from that unless somebody beats me to it.
You can try. Aluminum is an excellent structural material. In the right form it is very rigid and durable on top of being corrosion resistant (accept for that little sodium nitrate problem for folks with water tables).
Yes, brace what you got. Making a steel table in exactly the same fashion as the old will give you worse results as steel’s wave period and frequency is nearly the same as aluminum. But with welding it will ensure better wave propagation through out the structure. Welding is an atomic joining process where as a bolt and nut is a loose fitting by its very nature.
Waves will meet more resistance when moving from component to component in a bolted structure than in a welded structure.
I started looking at DIY CNC machines and there is interest in epoxy granite and ultra high performance concrete (UHPC) for machine bases and in conjunction with aluminum or steel frames. For DIY the obvious benefit over cast iron is that you don’t have to run a foundry. Another big one is that these seem to have drastically better vibration damping characteristics when compared to steel, aluminum or cast iron.
Have you thought about filling the void spaces in some of the 80/20 profiles with this material to improve help with the ringing? I don’t think that the profiles that come with the kits necessarily have enough void spaces in them to make a difference, but if some were , you would have a significantly larger volume that you could use to change the characteristics of the system. I haven’t calculated how much mass it would add to the gantry, but the profile has lots of void space.
Maybe it could get us closer to the performance of a cast iron assembly without all the trouble.
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