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A closer look at the Bomatic Rotacrex Vertical Shredder

What is your product?

The Bomatic Rotacrex Vertical Shredder Series, consisting of three models that include optional additions and enhancements to tailor solutions to individual requirements.

How does it work?

Material is introduced into the machine cylinder chamber via the top housing opening. A vertical impact tool, mounted to the floor of the crushing chamber rotates up to 1,200rpm. As the material enters the chamber, by gravity, it comes into contact with the impact tool which carries a number of interchangeable fixed plates. These break it down to the specified fraction size on repeat impact. It then passes via the variable gate to a waiting conveyor.

Where would it ideally be used?

In the recycling sector as a primary shredder for appliances, computers, furniture, industrial waste (wet and dry), toner cartridges, scrap metal (both ferrous and non-ferrous) and tyre/rubber processing. Popular applications include WEEE processing in the initial disassembly phase and tyre processing for fuel or rubber crumb.

How is it different?

It offers more rapid size reduction of brittle and hard materials than current shredding methods. Its outstanding balling of metals attracts a premium with secondary commodity materials buyers. It is very resistant to potentially damaging materials. There are a variety of tools available to suit most materials. It is very energy efficient. It uses simple proven machine technology and offers low cost replacement wear parts, which means low maintenance bills.

What benefits does it offer? 

The Rotacrex vertical shredding technology, when compared to conventional shredding techniques, offers greatly reduced wear as there is no shear, cutter or counter-knife wear. It is ideal for processing aggressive, abrasive and/or wet materials. The impact tool is a very simple yet robust, hardened metal designed to avoid regular sharpening, re-adjustment or protection from tramp materials. The vertical shredder design also allows for continuous operation (24/7) and in some applications it can be run in batch mode.

Its key difference to horizontal shedder technology is its impact plate tool design. The impact tools are flexibly mounted in such a manner that should heavy objects come into contact with them, they will deflect them and return into position.

Where has it been used?

The successful product launch at IFAT2010 has seen installations throughout Europe and worldwide for the following applications: WEEE (domestic appliances, computers, telecommunications, printed circuit boards); general waste processing (end of life toner cartridges, wood, plastics, ferrous and non-ferrous metals); biomass (compost production, spent farm bedding and solid dung, food waste - including packaging - also sugar beet processing); abattoir end of process waste (skeletal waste); municipal waste (production of material for RDF, EfW, CHP & SRF); and tyre recycling (car, truck and transport tyres).


Extremely competitive when compared to other shredder technology options, especially comparing KW energy input to output tonnage volumes per hour.  Added ongoing savings of lower wear replacement and maintenance downtime.

What about maintenance?

Customers have the choice of Fercell Bomatic UK full maintenance service plan options or operator training with online, telephone and on-site technical backup.

Any future applications?

The Fercell Bomatic UK Kent-based test and training facility is dedicated to trialling new and novel materials. Customers are encouraged to bring their own materials to conduct a machine trial for further evaluation.

How many have you sold and where?

Global sales continue to grow, exceeding all expectation with new industries and materials being realised.

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