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Frequently Asked Questions About Laser Paint Removal

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Frequently Asked Questions About Laser Paint Removal


The current manufacturing industry has evolved rapidly, with modern innovations being applied in various scenarios.

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Modern cleaning machines, such as laser paint removers, have replaced traditional processes, such as chemical corrosion, mechanical friction, and strong impact cleaning, which were time-consuming and largely ineffective.

However, being a new technology, many people still don’t fully understand how to remove paint with a laser. Below are common questions asked by those interested in the new paint removal technology.

How Does Laser Paint Removal Work?

Laser paint removal typically uses radiation to evaporate impurities from material surfaces. Laser pulses generate heat which affects the paint and other impurities. High temperatures in the material create high-pressure, forcing the impurities to evaporate.

Unlike traditional paint removal methods, laser paint removal is non-abrasive, non-contact, and very gentle on material substrates. Since most impurities evaporate, no waste is generated during the paint removal process. 

The Benefits of Using a Laser to Remove Paint

Some advantages of laser cleaning include:

  • Low operating costs compared to traditional paint removal methods

  • No damage to the underlying material

  • Eco-friendly

  • Fast and efficient

  • Produces minimal to no waste, which complies with EPA regulations 

Where Can Laser Cleaning be Used?

Apart from paint removal, laser cleaners can be used in:

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  • Deoxidization or rust removal – Laser cleaners are widely known for rust removal. Lasers can remove rust from all materials, including nuts and large machinery.

  • Removing coating – Cleaning with a laser is the best way to prepare steel before welding, gluing, or soldiering.

  • Degreasing – Commonly used in production and processing industries. Laser efficiently removes dirt, moisture, grease, and other contaminants.

  • Restoration – Laser cleaning effectively restores worn-out objects. It cleans soot and smoke-stained materials. 

What Amount of Power is Required For Paint Removal?

Laser cleaners have power ranging between 100W and 2000W. While these lasers can provide the same cleaning results, they differ in the time taken to clean and the quality of substrate finish. Before removing paint with a laser, you should consider the size and type of surface to be cleaned.

These machines are also either water-cooled or air-cooled. Water-cooled laser machines can operate for a long period before requiring a cooling shutdown. Air-cooled laser machines are cooled by fans or cooling fins using environmental air while water-cooled machines require a condenser or chiller.

Below are the three categories of laser cleaners:

  1.   Low power laser cleaners – These have a power rating of 100W and are air-cooled. Best for cleaning rust and NDT, especially in hard-to-access areas.

  2.   Medium power laser cleaners – These have a power rating of 200W to 300W. Best for corrosion, paint, stains, and rust cleaning.

  3.   High-power laser cleaners – These have power ratings between 500W and 2000W. Cleans rust, heavy paint, and coating.

Is Laser Cleaning Safe?

All-laser cleaners are classified as category 4, so you should follow specific regulations to use them safely. For instance, lasers produce infrared rays of 1064 to 1070nm wavelength. Wear protective goggles before cleaning with laser machines. The EN 60825-1 guide outlines other usage specifications.

Does Laser Cleaning Harm the Environment?

The cleaning process uses pure light and doesn’t require additional chemicals. Laser cleaning doesn’t generate waste, unlike sandblasting, where sand used in cleaning is contaminated and should be cleaned after.

Can Lasers be Used to Strip Paint From Wood or Bricks?

Using a laser to strip paint from wood or bricks is not recommended. Brick material is a porous substrate, while wood is combustible and can ignite upon exposure to laser beams.

Is Laser Paint Removal Suitable For Historic Restorations or Conservations?

While it can be used to clean historic restorations, it depends on the contaminant and nature of substrate material. Laser cleaning solutions have previously been used to clean historic conservations, such as the U.S Capitol building and pyramids. 

How Fast Does a Laser Clean?

There is no exact time estimation of how long it takes to remove paint using a laser. The time taken depends on your chosen laser system, settings used, contaminant, thickness, and substrate geometry. Nonetheless, the maximum cleaning rate is around two square feet per minute.

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Endnote

Laser removal is a new technology that overcomes several pitfalls associated with traditional rust and paint removal. You can use this method to give new life to pipes, bridges, and other large projects. However, while the process of removing paint using a laser isn’t complicated, you should observe various precautions. Be sure to contact a reliable paint removal solution service provider.



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TECHNOLOGY

Multi-access edge computing spend to reach $23 billion globally by 2027

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Multi-access edge computing spend to reach $23 billion globally by 2027


Duncan is an award-winning editor with more than 20 years experience in journalism. Having launched his tech journalism career as editor of Arabian Computer News in Dubai, he has since edited an array of tech and digital marketing publications, including Computer Business Review, TechWeekEurope, Figaro Digital, Digit and Marketing Gazette.


A new study from Juniper Research has predicted that global MEC (Multi-access Edge Computing) spend will grow from $8.8 billion in 2022, to $22.7 billion by 2027.

This growth of 260% will be driven by increasing requirements for on-premises machine learning and low-latency connectivity; enabled by 5G technology.

MEC is a network architecture that moves processing power and digital content to mobile network edges to provide lower latency and faster processing to end users.

The new research, Edge Computing: Vertical Analysis, Competitor Leaderboard, and Market Forecasts 2022-2027, predicts that over 3.4 million MEC nodes will be deployed by 2027; rising from less than one million in 2022. It identifies autonomous vehicles and smart cities as key beneficiaries of increasing MEC roll-outs, by enabling the handling of data generated by connections in these markets to be processed at network edges. This will reduce network strain by decreasing the physical distance that cellular data will need to travel.

The report found that operator partnerships with agile technology companies, such as AWS, IBM and Microsoft, will be essential in achieving the growth of MEC node roll-outs. It forecasts that over 1.6 billion mobile users will have access to services underpinned by MEC nodes by 2027; rising from only 390 million in 2022. Furthermore, mobile cloud computing is anticipated to be a highly valued MEC service amongst mobile users over the next 5 years. By migrating processing power to the cloud, via MEC nodes, users will benefit from faster processing power and devices with smaller form factors.

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Additionally, the report predicts that the delivery of digital content, including video streaming, cloud gaming and immersive reality, will benefit from the geographical proximity of MEC nodes and increase value proposition by improving video caching and computational offload. It urges operators to maximise the user reach of MEC by focusing on urban deployments first.

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