![]() Otherwise, nothing happens to the material, except for a slight localized temperature increase. If the intensity of the laser is above the ablation threshold of the material, it will have an impact on the material. The minimum intensity required to affect a material is called the ablation threshold.įigure 2 - Illustration of laser cleaning ![]() It so happens that contaminants usually require less energy per unit surface to be vaporized than the surfaces they reside on. The power that is transmitted increases the temperature of the contaminants to the point that they are vaporized. Laser ablation vaporizes the contaminants through the emission of short pulses of high levels of energy to very small surfaces. However, it uses laser ablation to remove the contaminants with little to no impact on the underlying material. Laser cleaning may serve a similar purpose than sandblasting: removing rust, different oxides, oil, grease and paint. Laser Cleaning as an Alternative to Sandblasting It is a known technology that dates back to the 1910sĮnvironment, health and safety risks are easy to manage Personal Protective Equipment (PPE) for large sandblasting installation is cumbersome Rust, different oxides, oil, grease, and paint are commonly removed by sandblasting.įigure 1 - Inside a typical shotblasting cabinet (2) Disadvantages of sandblastingĬosts may become prohibitive for large installationsīlasting media need to be recycled and replaced from time to time The abrasive material is propelled by compressed air or by water.(1) It can serve different purposes however, its most popular use is the removal of surface contaminants. Sandblasting, or abrasive blasting, is the material processing that results from the propulsion of an abrasive material under high pressure to a surface. This innovative technique effectively cleans surfaces, prepares them for coating or welding, removes rust, and strips paint, all while minimizing damage to the material, ensuring an environmentally-friendly and cost-effective solution for diverse industries.Ĭontact a Laser Expert What is Sandblasting? However, the cost of the rust remoavl laser machine can be prohibitive for small users.Laser cleaning is a safer, non-abrasive alternative to sandblasting for various applications. Rust removal using a lazer tool is also a dry process and even absorbs the dust created during rust removal. Rust removal laser machines on the other hand can do the same job in a fraction of that time without posing any health or environmental risk. Quite frequently the solution used in electrolysis is abrasive and can harm the skin.įinally, disposing of the solution is an environmental hazard. If due precautions are not taken, there is a danger of getting mild to heavy shock. Rust removeal by electrolysis also poses hazards of battery explosion and fire in the solution. The process also requires space for the set up of electrodes and a tank with a solution whose size depends on the scale of rust removal that is to be carried out. This process works without abrading the metal, it is cheap and doesn’t take much electricity. The next day, rust sloughs off the metal. The traditional rust removal by electrolysis involved leaving the rusted object in the solution and electric supply overnight. ![]() Rust removal l aser machine vs electrolysis Industrial laser rust cleaning machines are still prohibitively expensive and only really suitable for industrial use however the cost of the technology is gradually coming down. The new technology using laser cleaning machines (that are also known as rust removal tools) has revolutionized rust removal.
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