Industrial Shredder: Your Buying Guide

INDUSTRIAL SHREDDERS

Franklin Miller manufactures a wide variety of industrial shredders. Our versatile shredders can handle a wide variety of materials including plastic, wood, fiberglass and many many more. Our shredding experts can help you select the right shredder for your application.

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SELECTING THE RIGHT SHREDDER

1. Type of Material to be Processed

When it comes to shredding various materials, it is essential to use the right type of shredder to achieve optimal results. For instance, a high-speed chipper is ideal for shredding tree branches, while a granulator (rotary knife cutter) is best suited for processing plastics. However, for bulky plastic shapes, a shredder can be used as a first stage before granulation. For more heavy-duty applications such as shredding cars, a hammermill is often the preferred choice. In situations where versatility, minimal noise and dust are a priority, a twin-shaft shredder may be the optimal solution for effectively processing a wide range of waste materials.

2. Desired Output

Understanding the output size requirement will help in determining the type of equipment to install. Some facilities require the material to be separated, whereas others may need re-shredding and grinding. A single-pass shredder will cost less but if the material needs to be reduced to a very small size and compressed then compaction equipment may be required.

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3. Capacity

Choosing an industrial shredder to handle the correct capacity is important to the success of any installation. Capacity is typically expressed in pounds per hour and is determined by the physical size, weight (bulk density), and the amount of material to be shredded. The capacity may be limited by the cutting chamber size. Check the capacity rating carefully before purchasing the machine and allow for some excess capacity. Using a shredder with a maximum capacity too close to the desired capacity can lead to a shortened service life. However, over-sizing a shredder by a wide margin can lead to excessive power use and take up too much floor space.

4. Feed Type

Two basic feed types are common: manual and automatic. Manually fed shredders usually have a hopper and work by either hand feeding the material or using a fork lift to drop the material in. Automatic feeders or conveyors help optimize shredder performance by giving a constant and regular supply of materials to the shredder.

5. Operational Considerations

Portability, safety, and noise are concerns when selecting a shredder. Select the proper location for the shredder because it is not easy to move a machine weighing a half ton or more. Depending on the material, dust and other airborne particles can be an environmental hazard. Noise is another factor to consider as some shredders (such as hammermills) create more noise than others.

6. Maintenance

Shredders endure a great deal of stress and maintenance is necessary to keep them running efficiently. Cutters, blades, or hammers will wear under normal use and require sharpening, adjusting, or eventually replacing. Consider maintenance, repairs, and ease of obtaining replacement parts when choosing a manufacturer. Always evaluate the access location for maintenance when determining where to locate any equipment including your shredder.

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