Laser Cleaner
Why choose us?
Your Leading Laser Cleaner Supplier
0ne-Stop Solution
With rich experience and one-on-one service, we can help you choose products and answer technical questions.
16+ Years of History
Hangzhou Hairong Laser Co., Ltd. wasfounded on May 12, 2008, is a hightechenterprise integrating optics, machinery and electronics.
Authorized 53 Patents
6 invention patents, 42 utility model patents, 5
soft writings.
24-Hour Service
High-quality after-sales service, trackingusage, and positive feedback. Rapid response within 24 hours.
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What is Laser Cleaning?
Laser cleaning, a form of laser ablation, is a method of removing a selective layer of material from a surface using laser energy. The laser cleaning process utilizes photonic energy to peel off, vaporize, sublimate, or burn away unwanted waste material without causing harm to the underlying bulk material.
In most laser materials processing applications, a focused beam forms a relatively small spot on the target material. Laser cleaning is no exception despite typically being used over a relatively wide area. Laser cleaning uses a technique known as laser scanning, which rapidly directs or “scans” a laser beam along a path or across a wider zone. This means that the laser only interacts with targeted material for a fraction of a second at a time.
What Are the Advantages of Laser Cleaning?
Laser cleaning has seen a surge in adoption across a wide range of industries because it offers numerous advantages compared to traditional methods of material removal.
Non-Contact
Laser cleaning is a remote process. In other words, the source of the laser beam operates from several inches or even feet away. This makes the process more flexible and avoids surface damage caused by abrasive methods.
Highly Selective
Lasers are extremely precise and can be fired with virtually perfect accuracy. As a result, lasers only clean the desired area regardless of size or shape. This eliminates additional steps like masking.
High-Speed
Laser cleaning is a high-speed process that can clean up to hundreds of square inches of material per second. Per hour, lasers can clean more than 10,000 square feet of material. Exact material removal rates depend on laser parameters and material properties.
Safe
Laser cleaning has no need for abrasive materials or chemical solvents, reducing noise and eliminating exposure to dust and hazardous materials. Any vapors created during the cleaning process are easily removed with a fume extraction system.
Sustainable
As a media-free process, laser cleaning requires no material handling or disposal. Furthermore, laser systems consume less energy and dramatically reduce the CO2 emissions associated with transport and disposal of cleaning media and chemicals.
Cost-Effective
Requiring minimal material handling, floor space, energy, and maintenance, laser cleaning solutions are long-lasting and exceptionally cost-effective, particularly in the long term.
Types of Laser Cleaner
Dry Laser Cleaning
Dry laser cleaning is the most basic laser cleaning process in which a high-intensity beam heats the unwanted layer on the surface of a material and vaporizes it. The vaporized contaminants are then blown away or extracted using exhaust machines. Commonly used for laser rust removal.
Wet Laser Cleaning
In the Wet Laser Cleaning method, also called “Steam Cleaning”, the liquid film is applied on the surface of the uncleaned material. The laser beam heats the liquid, vaporizing it and creating an intense shockwave that detaches the contaminant layer from the surface. Also, the laser beam itself doesn’t come in contact with the material.
Shock Laser Cleaning
In the shock laser process, the high-powered laser beam breaks down the air near the surface, turning it into plasma. This plasma generates an intense shockwave, disrupting the unwanted layer on the surface or substrate and effectively removing it. The shockwave penetrates much deeper than dry cleaning, making it a highly effective laser cleaning method.
Continuous Laser Cleaning
Continuous Wave (CW) lasers emit high-intensity laser beams of constant output over a specific interval. CW laser cleaners are suitable for heavy-duty cleaning, like removing rust from large stainless steel cylinders. Typically, they have a higher output of order 2000 W and more. Because of the intense power, they can sometimes create unwanted heat-affected zones, potentially damaging the surface material.
Pulsed Laser Cleaning
In pulsed laser mode, the machine emits laser pulses at regular intervals. There is an intense peak and then a pause, also known as “Dwell Time”, and the cycle repeats. Pulsed laser cleaning is better suited for sensitive materials than CW lasers, as it creates minimum heat-affected zones.
Fiber Lasers
Fiber laser technology is the most advanced laser source technology in modern times. You can say it’s an upgrade to typical Nd: YAG lasers. In fiber lasers, optical fibers are used as the gain medium doped with rare earth metals.
CO2 Laser Cleaners
In CO2 laser cleaning machines, the CW laser beam is generated when a high-intensity current passes through a glass chamber full of carbon dioxide gas, exciting the atoms and producing infrared rays, which are then focused using mirrors. They are good for removing paints, oil, and corrosion from materials like ceramics and polymers.
Nd: YAG Lasers
Nd: YAG laser, otherwise known as solid-state laser cleaners, uses a crystal gain medium to generate laser beams. They are available in both CW and pulse laser modes, which makes them highly versatile. Q Switched Nd: YAG cleaners can remove more material per pulse than their counterparts.
High Power Diode Laser
A high-power diode laser originates from a p-n junction diode, which lights up when it gets hit by a high voltage. Such focused laser beams are easy to use and offer better controllability.
Perpendicular and Angular Laser Cleaning
Conventional laser cleaning is done by directing the laser beam at 90 degrees to the surface. This method is good and does produce results.
Application of Laser Cleaner
Surface preparation for manufacturing:
Removing rust and oxides from metal parts before welding or painting.
Cleaning mold release agents from molds to ensure proper part release.
Stripping old paint or coatings from components for refurbishment.
Electronics and microelectronics:
Removing residues from printed circuit boards (PCBs) after manufacturing.
Cleaning delicate components without damaging sensitive electronics.
Medical devices:
Cleaning surgical instruments to remove blood and tissue debris.
Surface preparation for implant coatings.
Art conservation:
Removing dirt and grime from historical artifacts without damaging the original material.
Automotive industry:
Cleaning engine components like pistons and cylinder heads.
Removing old adhesives from car body parts.
Benefits of laser cleaning:
Precise and targeted cleaning: Laser beams can be precisely focused on specific areas, allowing for selective removal of contaminants without damaging the underlying substrate.
Non-contact cleaning: Eliminates the need for abrasive materials or chemicals that can damage delicate surfaces.
Environmentally friendly: No harmful chemicals are required in the cleaning process.
High cleaning efficiency: Can remove contaminants quickly and effectively.
Factors to consider when choosing a laser cleaner:
Material type: Different laser wavelengths are needed for different materials.
Contaminant type: The type of contaminant will determine the best laser cleaning method.
Surface geometry: The laser beam needs to reach the desired cleaning area.
The main components of a laser cleaner are:
Laser source
A solid-state laser source, such as a fiber laser, is used to generate short, high-energy pulses that vaporize contaminants.
Scanner
A galvanometric scanner focuses the laser beam on the surface, widens the beam, and shapes the light spot. Scanners are usually handheld guns that the operator points at the surface.
Fume extraction unit
A vacuuming device removes the vaporized contaminants.
Optical fiber
Infrared light is generated in the optical fiber and travels to the scanhead.
Scanhead
The laser pattern is formed in the scanhead using single or dual beam technology.
Maintaining a laser cleaner is crucial to ensure its longevity and optimal performance. Here are some steps you can follow to maintain your laser cleaner effectively:
1. Regular Cleaning
Dust and Debris: Regularly clean the exterior of the laser cleaner to remove dust and debris. Use a soft cloth or brush to avoid scratching the surface.
Optical Components: Clean the optical components, such as lenses and mirrors, with a lint-free cloth and a suitable cleaning solution. Avoid touching the optical surfaces directly to prevent contamination.
2. Inspection
Visual Inspection: Periodically inspect the laser cleaner for any signs of damage or wear. Check for loose parts, cracks, or other issues that may affect its performance.
Functionality Test: Conduct regular functionality tests to ensure that the laser cleaner is operating correctly. This includes checking the laser output power, alignment, and other critical parameters.
3. Calibration
Alignment: Ensure that the laser beam is properly aligned with the cleaning head. Misalignment can lead to reduced cleaning efficiency and potential damage to the equipment.
Power Output: Calibrate the laser power output according to the manufacturer's specifications. This ensures that the laser cleaner operates at the correct power level for different cleaning tasks.
4. Software Updates
Firmware Updates: Keep the firmware of the laser cleaner up to date. Manufacturers often release updates to improve performance, add new features, and fix bugs.
Software Compatibility: Ensure that the software controlling the laser cleaner is compatible with the hardware. This prevents compatibility issues that may affect the operation of the laser cleaner.
5. Environmental Control
Temperature and Humidity: Store and operate the laser cleaner in a controlled environment with appropriate temperature and humidity levels. Extreme conditions can affect the performance and lifespan of the equipment.
Cleanliness: Maintain a clean working environment to minimize the risk of contamination and damage to the laser cleaner.
6. Safety Precautions
Protective Equipment: Always wear appropriate protective equipment, such as safety goggles, when operating or maintaining the laser cleaner. This protects against potential eye injuries from laser radiation.
Emergency Stop: Familiarize yourself with the emergency stop function of the laser cleaner. This allows you to quickly shut down the equipment in case of an emergency.
7. Professional Maintenance
Regular Servicing: Schedule regular maintenance and servicing of the laser cleaner by a qualified professional. This includes thorough inspections, cleaning, calibration, and replacement of worn-out parts.
Manufacturer Support: Contact the manufacturer or authorized service provider for any complex maintenance or repairs. They have the expertise and tools to perform specialized tasks and ensure the proper functioning of the laser cleaner.
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FAQS
Q: How does laser cleaning work?
A: Laser cleaning removes contaminants by vaporizing them into dust and fumes through laser ablation. When the laser beam hits the surface, part of its energy is absorbed by the metal surface, and the rest is reflected. Contaminants are ejected when they have absorbed enough energy to reach their ablation threshold.
Q: Is laser deep cleaning worth it?
A: With traditional deep cleaning or scaling, the dentist removes the buildup of harmful substances, which is painful and causes discomfort. Laser cleaning has more advantages than other procedures, such as minimal swelling, no bleeding, minimal pain, and quick recovery.
Q: Do laser cleaning machines really work?
A: Laser cleaning is technology that is more effective, safer and superior to traditional methods of cleaning; however, laser cleaning is not infallible. While lasers are ideal to use on most surfaces, there are limitations.
Q: What precautions should be taken during laser cleaning?
A: — Ensure all people inside controlled area are wearing safety eyewear at all times while laser is operating. — Avoid exposure of skin to laser radiation. — Wear an appropriate face mask during cleaning.
Q: How effective is laser cleaning?
A: Laser cleaning is an excellent method for cleaning a wide variety of materials and part types. Laser cleaning is used in a range of applications and at various stages of production, including as a step before or after another process in a production line or for restoration of existing parts.
Q: Is laser cleaning better than sandblasting?
A: If you're looking to remove surface rust, paint, or other coatings without damaging the substrate, laser cleaning is a great option. If you need to remove tough, thick coatings over a large area, traditional removal methods like abrasive blasting may be a better choice.
Q: Is there a market for laser cleaning?
A: The global laser cleaning market size was valued at USD 0.66 billion in 2023 and is projected to reach a value of USD 1.15 billion by 2032, registering a CAGR of 6.36% during the forecast period (2024-2032). Which region has the highest growth rate in the global market?
Q: How long does a laser cleaner last?
A: Generally, we expect your laser to be in use for 10 years. We prodive training on the best handling of your laser machine in addition to system maintenance through our Technical Support to provide the longest possible service life for your laser machine.
Q: Will laser cleaning remove paint?
A: With its micron precision, laser cleaning can strip paint and other contaminants from specific areas without touching or damaging the rest, making it ideal to prepare parts for welding or assembly.
As one of the leading laser cleaner manufacturers and suppliers in China, we warmly welcome you to buy durable laser cleaner in stock here from our factory. All customized machines are with high quality and competitive price.
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