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Metal Foil Laser Cutting Solutions
1. Electronics and Information Industry: From Flexible Circuits to 5G Base Stations
In a PCB factory, a UV laser cutting machine cuts 0.05mm copper-clad laminates at 5m/min with a line width precision of ±10μm. This non-contact processing avoids edge delamination caused by traditional mechanical milling, reducing high-frequency signal transmission loss by 12%. In 5G base station filter manufacturing, fiber laser cutting machines can process micro-hole arrays with a diameter of 0.2mm on 0.1mm aluminum foil via spiral scanning, with a processing efficiency 5 times that of chemical etching.
2. New Energy Field: Power Batteries and Photovoltaic Modules
A new energy enterprise's blade battery production line uses picosecond laser cutting machines to achieve integrated processing of pole ear cutting and coating area V-angle forming, with an annual single-machine capacity of 1.2GWh. In the photovoltaic field, laser cutting machines can complete grooving and dicing on 0.15mm silicon wafers, reducing the fragmentation rate from 5% in traditional mechanical cutting to 0.3%.
3. Medical Equipment Manufacturing: From Implantable Devices to Minimally Invasive Surgery
A medical device enterprise uses femtosecond laser cutting machines to process 0.02mm titanium alloy foil for pacemaker casings, achieving 0.005mm aperture processing via 3D dynamic focusing technology to ensure biocompatibility and sealing. In minimally invasive surgical instruments, laser cutting machines can engrave micron-level serrated structures on 0.01mm nitinol foil, improving catheter flexibility by 40%.
4. Automotive Manufacturing: Lightweighting and Precision
In an automotive factory's body shop, a 30,000W fiber laser cutting machine cuts 6mm aluminum alloy plates at 15m/min, improving welding strength by 30% with groove cutting functionality. In new energy vehicle motor manufacturing, laser cutting machines can process 0.5mm stator slots on 0.3mm silicon steel sheets, with a processing efficiency 6 times that of punch presses.
5. Aerospace: Material Processing in Extreme Environments
A space technology group uses five-axis laser cutting machines to process cooling hole arrays on 0.5mm nickel-based superalloy foils for rocket engine combustion chambers, increasing temperature resistance from 1200°C to 1600°C. In satellite solar panel manufacturing, laser cutting machines can complete 10μm line width circuit etching on 0.05mm ultra-thin glass, increasing energy conversion efficiency by 5%.
6. Packaging and Printing: From Luxury Goods to Food Industry
A luxury brand uses UV laser cutting machines to process silk scarf metal foil stamping templates, achieving 0.02mm line engraving on 0.03mm stainless steel foil with pattern clarity 3 times higher than traditional electroforming. In food packaging, laser cutting machines can process 0.1mm ventilation holes on 0.08mm aluminum foil, extending shelf life by 20%.
7. Mold Manufacturing: Efficient Processing of Complex Structures
In an electronics enterprise's mobile phone mold workshop, laser cutting machines process 0.3mm 3D flow channels on 0.5mm tool steel foil, reducing processing time from 7 days via traditional EDM to 12 hours. In precision injection molds, laser cutting machines can engrave 0.05mm exhaust grooves on 0.1mm beryllium copper foil, reducing product molding defect rates from 15% to 3%.
8. Research and Development: A Key Tool for New Material Development
In a research institution's graphene study, femtosecond laser cutting machines complete cutting on 0.001mm-thick graphene films with edge defect density below 0.1%. In metamaterial manufacturing, laser cutting machines can process 5μm-period subwavelength structures on 0.02mm titanium alloy foil, achieving a 40dB improvement in electromagnetic shielding efficiency.
9. Architectural Decoration: Realizing Personalized Customization
A building curtain wall project uses laser cutting machines to process 0.8mm copper plates, achieving 0.5mm engraving depth via dynamic focusing technology, increasing material utilization from 60% in traditional stamping to 95%. In interior decoration, laser cutting machines can process artistic patterns with 80% light transmittance on 0.3mm stainless steel foil, reducing processing costs by 50% compared to etching.
10. Rail Transportation: Key Components for High-Speed Trains
A rail transportation enterprise uses laser cutting machines to process cooling holes on 0.2mm carbon fiber-reinforced phenolic resin foil for high-speed train brake pads, shortening braking response time by 15%. In rail vehicle interior components, laser cutting machines can complete 0.1mm relief processing on 0.5mm aluminum alloy foil, increasing surface hardness to HV200.
11. Semiconductor Manufacturing: Breakthroughs in Wafer-Level Packaging
In a semiconductor enterprise's 3nm chip packaging process, laser cutting machines complete 0.01mm bump cutting on 0.05mm carrier plates with alignment precision reaching ±2μm. In MEMS sensor manufacturing, laser cutting machines can process 0.05mm cantilever beam structures on 0.1mm silicon wafers, improving yield from 50% to 92%.
12. Jewelry Industry: Extreme Craftsmanship for Luxury Goods
A jewelry brand uses laser cutting machines to engrave 0.01mm micro-patterns on 0.02mm platinum foil, enhancing oxidation resistance by 10 times with nano-coating technology. In personalized customization, laser cutting machines can process 0.05mm text and QR codes on 0.1mm gold foil, with a processing efficiency 20 times that of traditional handiwork.
Conclusion
Metal foil laser cutting technology is reshaping the manufacturing landscape at an annual compound growth rate of 12%. With the popularization of picosecond laser and five-axis linkage technologies, as well as the integration of AI visual inspection and energy recovery systems, laser cutting machines will achieve "precision revolutions" in more fields. Choosing suitable equipment (such as power, wavelength, and automation level) and optimizing process parameters are key to enhancing enterprise competitiveness.
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What are the precautions for operating a laser marking machine?
1. It is strictly prohibited to start the laser power supply and Q-switching power supply when there is no water or the water circulation is abnormal.
2. The Q power supply is not allowed to operate without load (i.e., the output terminal of the Q power supply should be left floating).
3. In case of any abnormal phenomenon, first turn off the galvanometer switch and the key switch, and then conduct a check.
4. It is not allowed to start other components before the krypton lamp is lit to prevent high voltage from entering and damaging the components.
5. Pay attention to leaving the output terminal (anode) of the laser power supply suspended to prevent sparking and breakdown with other electrical appliances.
6. Keep the internal circulating water clean. Regularly clean the water tank and replace it with clean deionized water or pure water.
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What should we do when laser intensity decreases and the marking is not clear enough?
1. Turn off the machine and check if the laser resonant cavity has changed; Fine-tune the resonant cavity lens. Make the output light spot the best;
2. The acousto-optic crystal is offset or the output energy of the acousto-optic power supply is too low;
Adjust the position of the audio-visual crystal or increase the working current of the audio-visual power supply;
3. The laser entering the galvanometer deviates from the center: Adjust the laser;
4. If the current is adjusted to around 20A but the light sensitivity is still insufficient: the krypton lamp is aging. Replace it with a new one.
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How to maintain a UV laser cutting machine?
1. It is required to carry out regular cleaning every day, remove debris from the countertop, limiters and guide rails, and spray lubricating oil on the guide rails
2. The waste materials in the collection box should be cleared regularly to prevent excessive waste from blocking the exhaust port.
3. Clean the chiller once every 15 days, drain all the internal water, and then fill it with fresh pure water.
4. The reflector and focusing lens should be wiped with a special cleaning solution every 6 to 8 hours.
When wiping, use a cotton swab or cotton swab dipped in the cleaning solution to wipe from the center to the edge of the focusing lens in a counterclockwise direction.
At the same time, be careful not to scratch the lens.
5. The indoor environment can affect the lifespan of the machine, especially in damp and dusty conditions.
A damp environment is prone to causing rust on the reflective lenses and also easily leading to short circuits, discharge and sparking of the velvet laser.
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What accidents might be caused by the laser emission when using a laser cutting machine?
(1) A fire was caused by the laser coming into contact with flammable materials.
Everyone knows that the power of laser generators is very high, especially when it comes to high-power laser cutting machines, the temperature of the emitted laser is extremely high. The possibility of a fire being caused when a laser beam comes into contact with flammable objects is very high.
(2) Harmful gases may be produced when the machine is in operation.
For instance, when cutting with oxygen, it undergoes a chemical reaction with the cutting material, generating unknown chemical substances or fine particles and other impurities. After being absorbed by the human body, it may cause allergic reactions or discomfort in the lungs and other respiratory tracts. Protective measures should be taken when conducting work.
(3) Direct laser exposure to the human body can be harmful.
The damage caused by lasers to the human body mainly includes damage to the eyes and skin. Among the harms caused by lasers, the damage to the eyes is the most severe. Moreover, damage to the eyes is permanent. So when doing homework, you must pay attention to protecting your eyes.
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What is the focused spot diameter of nanosecond, picosecond and femtosecond laser?
Nanosecond: The light spot is 0.5-1mm.
Picosecond: The focused spot is around 0.02mm.
Femtosecond: Under the action of a laser beam with a high repetition rate of 100-200KHz and a very short pulse width of 10ps,
the focused spot diameter is as small as 0.003mm.
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What are the main applications of UV laser cutting machine?
The UV laser cutting machine can be used for cutting and depaneling PCB.
It can precisely cut and shape various types of PCB circuit boards with V-CUT and stamp holes, and open Windows and covers.
It can also be used for separating packaged circuit boards and ordinary smooth boards.
It is suitable for cutting various types of PCB substrates, such as ceramic substrates, rigid-flex boards, FR4, PCBs, FPCs, fingerprint recognition modules, cover films, composite materials, copper substrates, aluminum substrates, etc.
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Precautions for laser cutting machines to process various metal materials?
Copper and brass:
Both materials have high reflectivity and excellent thermal conductivity.
Brass with a thickness of less than 1mm can be processed by nitrogen laser cutting.
Copper with a thickness of less than 2mm can be cut. The gas used for laser cutting processing must be oxygen.
Copper and brass can only be cut when a "reflective absorption" device is installed on the system. Otherwise, reflection will damage the optical components.
Synthetic materials:
Processable synthetic materials include: thermoplastics, thermosetting materials and artificial rubber.
Aluminum:
Despite its high reflectivity and thermal conductivity, aluminum materials with a thickness of less than 6mm can be cut, depending on the type of alloy and the capacity of the laser.
When cutting with oxygen, the cutting surface is rough and hard.
When nitrogen is used, the cutting surface is smooth.
Pure aluminum is extremely difficult to cut due to its high purity.
Only when a "reflection and absorption" device is installed on the fiber laser cutting machine system can aluminum materials be cut.
Otherwise, reflection will damage the optical components
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What should be paid attention to when laser cutting stainless steel?
Laser cutting processing of stainless steel requires the use of oxygen, under the condition that edge oxidation is not a concern.
If nitrogen is used to achieve an edge free of oxidation and burrs, no further processing is required.
Coating an oil film on the surface of the sheet will achieve a better perforation effect without reducing the processing quality.