SHREDDERS | TECHNOLOGY
the SMS is the ability to adjust knives outside of the granulator. This ability greatly reduces downtime when replacing knives and helps to ensure a more consistent cutting circle. For processing highly abrasive materials, SMS Series granulators can be equipped with an optional wear protection packaging. Common wear areas can be fitted with exchangeable wear parts. The two-piece split design allows for optimum access to all compo- nents simplifying cleaning and routine mainte- nance.
the stability and avoids material spillage. Zerma says the ZIS has all of the advantages of the Zerma knife and knife holder design, as well as standard features such as outboard bearings, hydraulic screen cradle, easy maintainability and advanced controls.
SMS Series granulators from Herbold Mecke-
sheim have been redesigned to cope with the most demanding heavy-duty size reduction applications in a single step. The US branch of the company says that these machines are manufac- tured with rotor widths ranging from 23½ to 78¾ inches and with drive capacities between 60 and 420 HP. The knife design is segmental, thus ensuring a quick and easy exchange of the cutting tools. SMS granulators are equipped with a third bed knife called a deflection wedge. When the deflection wedge is removed larger, bulky items can be easily accommodated. Typical applications for these heavy-duty
granulators are heavy, thick-walled semi-finished products in PE, PP, POM and PA, pipes with high wall thicknesses and large purgings. They are also well suited for difficult to grind materials such as aramid and carbon fibres and composite materials. According to Herbold, another key feature of
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Herbold has also developed a force fed granula- tor for size reduction of PET bottles. The Model SMS 100/160-9-2 SB3 features a rotor that is 20% larger than current offerings. The additional size and mass of the rotor allows the granulator to operate at higher throughput rates (up to 7 tons per hour). Material is fed into the destruction cham- ber via a patented screw fed mechanism that utilises three vertically mounted feeding screws. This feeding method offers several advantages over gravity feeding including consistent, even feed rates, reduced power consumption, no material flyback, quieter operation, less wear on the cutting chamber, and reduced fines and dust. The knife geometry, which positions inclined rotor and stator knives at the same but opposing angles, provides a true double cross cutting action.
CLICK A LINK FOR MORE INFORMATION: �
www.vecoplan.com �
www.indigoenv.com �
www.untha.co.uk �
www.hellweg-maschinenbau.de �
www.bbraun.com �
www.enma.fr �
www.weima.com �
www.rapidgranulator.com �
www.zerma.com �
www.herboldusa.com
Left: Zerma has developed the ZIS series of shredders targeting the recycling of large volume parts, such as IBCs, barrels and pallets
Below: Herbold has developed a force fed granulator for size reduction of PET bottles – the SMS 100/ 160-9-2 SB3
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