What is the best material for shredder blades?

Overview of Industrial Shredders and Their Importance

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In the industrial world, industrial shredders play a crucial role in the processing of various types of waste, from paper to plastic, from WEEE to tires. These machines, subject to strict regulations such as Directive /42/EC within the European Union, vary in terms of power, motorization, and the number of blade-carrying shafts.

The Importance of Blades in Shredding Processes

One of the less obvious but fundamental characteristics in the choice of a shredder is the type of blades used. The blades, mounted on the shafts in a staggered and alternating manner, are crucial for the effectiveness of the shredding process. Their shape, size, and the material they are made from can make the difference between an efficient process and an inadequate one. Shredding is a dynamic process, in which even the difference between dry and wet material affects the outcome in terms of production. Manufacturers don't have a simulation software where entering variables yields the right solution but must rely on their field experience. In this case, references are more important than ever.

The Choice of Special Steel and Blade Maintenance

The selection of blades is not limited to their shape or size but also extends to the choice of manufacturing materials, particularly the use of special steel. Steel, a ferrous alloy enriched with elements such as chromium, manganese, and nickel, is essential for imparting properties to the blades, such as impact resistance and wear resistance, as well as facilitating maintenance, such as re-sharpening and welding. The Italian production of raw steel and hot-rolled products, which in was 22.3 million tonnes, according to data published by Federacciai (187.3 million tonnes in Europe according to EUROFER), underscores the importance of this material in the shredder industry. Special steel is used not only in the blades but also in other critical components such as blade-carrying shafts and cutting plates. Each component has specific needs, so choosing the right steel is essential to ensure maximum efficiency and durability. The classification of steels is indeed a function of their intended use. Typically, quenched and tempered steel is used "suitable for withstanding high loads, impacts, and especially fatigue resistance."

Maintenance of the blades is another crucial aspect. The ease of dismantling and re-sharpening, as well as weldability (especially for the blades of tearers), are important factors to consider. Errors in the working tolerances can compromise the functionality of the machine, highlighting the importance of referring to the manufacturer for maintenance.

Conclusion

In conclusion, the choice of blades in an industrial shredder is not an aspect to be underestimated. It must be made in harmony with the power of the machinery, considering the type of material to be processed. Special steel, with its unique properties, plays a key role in ensuring that the blades are resistant, durable, and easy to maintain, thus contributing to the overall success of the shredding process.

Posted by Capital Shredder Corp. on 4/21/

High-capacity industrial paper shreddersare large, high-performing machines for powerful shredding. They can shred a high volume of documents and other things in bulk. They are designed to shred through thick materials such as entire notebooks or even cardboard and are created to endureheavy volumes. Knowing the different types of industrial shredder blades will help you pick the best machine based on your shredding needs.

What&#;s Being Shredded?

Though we associate shredders with the destruction of paper documents, industrial shredders offer us the ability to shred thicker materials such as a stack of papers, thin plastics, corrugated boxes, and even circuit boards. However, shredders also have the ability to rip up things as delicate as tissue. What an industrial shredder is capable of is determined by the type of paper shredder blades it has. 

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How Fine a Cut Do You Need?

Different shredders offer many different cut styles. In deciding on the type of shredding machine needed, consider the different cuts. There are strip-cut shredders, and then there are more fine cuts such as cross-cut and micro-cut. The cuts range in levels of security. For clarification regarding which cut is right, consult the professionals at Capital Shredder to ensure you find the right product for your job.

What are the Blade Type Materials?

The shredder blade type chosen should reflect the materials being destroyed. Hardness ranges depending on the makeup of the blades.

Carburizing Steel Shredder Blade

Carbon diffused into a low carbon steel&#;s surface is used to increase the carbon content. After being heat-treated, this produces harder steel with a wear-resistant layer.

Tool Steel Shredder Blade

Tool steels are comprised of carbide-forming elements. The different combinations offer distinct characteristics. Using this material offers hardness, wear resistance, and toughness. It also maintains hardness during temperature elevations.

Case Hardened Shredder Blade

Also referred to as surface hardening, case hardened steel is derived from a process in which the hardness of the outer surface of a metal is increased. It&#;s a very thin layer of metal that&#;s over a softer metal to give a harder layer coating.

Chromium Low Alloy Steel Shredder Blade

Chromium low alloy steel is creep-resistant, meaning it&#;s designed to withstand high temperatures. It is useful because of its high strength and corrosion-resistant properties. It can be found in many applications and industries.

If you plan on shredding anything more than a sheet of paper at a time, it&#;s important to know the different types of industrial shredder blades and machine types in general. These high-powered machines have the capabilities of shredding binders, key cards, and other ways you&#;ve stored sensitive data.

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