shredders | Size reduction
Right: The VD 1100 combined shredder and
granulator was jointly devel- oped by
Vecoplan and Dreher
two-shaft shredder, RS four-shaft shredders and the company’s newest product, QR Class shred- ders. The QR series are high-performance single-shaft shredders that have versatile uses.
Launched at K 2016, Untha’s QR
Below: Untha has designed the QR Class shredder with a hydraulic flap for easy access to the cutting chamber
shredders are the result of a two-year development programme involving customers. They are designed to be very reliable and they have new low-mainte- nance features, says Josef Gruber, who heads Untha’s recycling business unit. A unique development, according to Gruber, is pusher technology that the company says is maintenance-free. The pusher is an internal hermetic system, with its drive located outside the machine body. The profiled pusher floor prevents the pusher getting jammed. Another innovation in the QR Class, says Gruber, is a large multi-functional hydraulic flap at the front of the shredder. The flap allows quick and easy access to the cutting chamber for the efficient emptying of the hopper and removal of foreign objects. Inspection and replacement of cutters and cutting bars can be done in an ergonomic and safe position.
Planetary gearing is integrated in
the rotor system. Untha says: “In contrast to standard units, the QR series does not require a shaft stub, as the gears are integrat- ed in the rotor. This results in a significant reduction of repair efforts.” The resilient drive system
comes with a safety coupling that protects the cutting system and the power train. The operator can access the rotor system and safety coupling via a service window.
Features of the cutting system include: smooth or
profiled rotors, bolted cutter holders, adjustable main and secondary cutting bars, and the cutters may be reversed up to four times. The QR series ranges from a rated capacity of 22 to 180 kW and a cutting unit width of 800, 1,000, 1,200, 1,400, 1,700 and 2,100 mm. The shredders are designed to have long maintenance intervals. “Close cooperation with our customers throughout the
entire innovation process was an essential factor in the success of this project,” says Stefan Pischon, Head of R&D at Untha. “All technical features were inspired by the wishes and requirements of users with plenty of practical experience and therefore offer tangible added value.” Candi Plastic Recycling in southern Austria began using a QR1700 shredder in July last year. The company processes approximately 3,500 tonnes of waste plastics per year. Gheorghe Campan, Managing Director of Candi
Plastic, says: “I am particularly impressed with the multi-functional flap that makes foreign objects easy to remove and the hopper easy to clean. Thanks to its large rotor diameter, the shredder is extremely versatile and able to process all different kinds of plastics.” Weima unveiled a new series of shredders at K 2016
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MEDIA INFORMATION 2017
The free digital magazine for the global plastics recycling industry Plastics Recycling World offers:
Plastics Recycling World is a brand new digital magazine written exclusively for the global plastics recycling supply chain and distributed electronically to a global audience of 18,453 key decision makers. The magazine can be accessed free-of-charge online via standard web browsers on any desktop and laptop computer, tablet or smartphone. Plastics Recycling World is published by Applied Market
Information Ltd (AMI), the leading provider of information, databases, conferences and magazines for the global polymer processing industry. It is the latest addition to a growing portfolio of sector-specific digital magazines that includes Compounding World, Injection World, Film and Sheet Extrusion and Pipe and Profile Extrusion. Written by expert polymer industry journalists, Plastics
Recycling World will be distributed to a targeted readership of recyclers, specifiers and suppliers drawn from AMI’s highly respected global database of plastics processors and specifiers. Plastics Recycling World offers an unrivalled combination
of expert editorial content and a highly targeted readership. Its fully digital distribution means that advertising rates – which includes exposure in the web and PDF editions – are highly
n Comprehensive global coverage n 100% focus on plastics recycling n Quality expert-written editorial n Free access to web and PDF edition n Competitive advertising rates n Live weblinks included on all ads
For more information about advertising, contact: Levent Tounjer, Sales & commercial manager Tel: +44 (0)117 314 8183 Email:
lt@amiplastics.com
Claire Bishop, Advertisement manager Tel: +44 (0)1732 605976 Email:
cb@amiplastics.com
competitive. If you are supplying materials, technology, equipment or services to the plastics recycling industry then Plastics Recycling World should be your first choice for global promotion.
Plastics Recycling World: the digital magazine for the global recycling industry
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