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Effective Mechanical Removal of Rust from Machined Ferrous Surfaces

Rust is an issue as it creates holes in a variety of items and effectively renders them useless. This is particularly relevant when the rust is taking place inside another material, such as concrete. In fact, many buildings have needed to be torn down because they have concrete cancer, a result of the rust inside the building material. 

That’s why you need to take rust seriously and react quickly when you discover it.

Machined Ferrous Surfaces

Ferrous metals contain iron, non-ferrous metals don’t. Some of the most common ferrous metals in use today are alloy steel, carbon steel, cast iron, and even wrought iron. These metals are all strong, and durable. However, the fact that they are ferrous means they are highly likely to rust, that’s thanks to the high carbon content. 

You’ll find ferrous metal surfaces in many modern applications because this type of metal is magnetic and therefore a useful addition to motors and other electrical items. 

Dealing With Rust On Ferrous Surfaces

The best approach is to avoid the surface rusting in the first place. However, this means keeping all moisture and oxygen away from the surface. In many cases, this is difficult or simply impossible. 

The result is that the machined surface will start to rust. Although initial rusting is small, these will be very obvious on a machined surface and will impair the finished product. You are going to need to eliminate the rust quickly and effectively. 

  • Blast Chambers

If you speak to a specialist in blast chamber technology you’ll find that your rusting metal object can be placed inside a special chamber and then blasted with high-pressure air. This can target the rust on the surface and the power behind the air will remove the rust. Best of all, it won’t damage the ferrous surface that you are using. It’s simple yet effective.

  • Abrasive Systems

Another effective approach to removing rust from a ferrous surface is to use an abrasive cleaning machine. In this instance, fine particles are directed at the surface to encourage them to lift off from the ferrous surface. 

When this type of system also incorporates an abrasive recycling system the abrasive compounds removed can actually be collected efficiently. This reduces clean up time, eliminates concerns regarding particles left in the blast zone, and offers the option of reusing the blasted particles. 

That makes this an efficient and practical tool for a huge array of applications. In fact, it offers lower energy costs, reduced wear, and is better for the environment.

  • Sand Blasting

This is an older technique that is often not suitable for surfaces that need to be restored or are susceptible to deformation. Sandblasting is similar to a blast chamber except it uses fine sand particles.

This will lift rust from the surface but it carries a higher risk of clogging pipes and filters. In short, you will need to maintain this type of machine more and you may not get the accuracy you need on the surface. Modern blasting chambers are a better option.

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