SIZE REDUCTION | GRANULATORS


versatile, and reliable perfor- mance. The T50 is designed to handle large items including injection moulded and blow moulded scrap, furniture compo- nents and appliance parts. Through- put ranges from 1,500 lbs/hr to 2,500 lbs/hr (680 kg/hr to 1,130 kg/hr).


Cumberland says: “The tangen- tial design offers the capacity to process many types of scrap with improved ingestion at a lower power requirement, while the offset design allows for higher


throughput of lower density parts. Energy Above:


Cumberland’s new T50 Series granulators feature a


tangential feed cutting chamber


efficiency paired with heavy-duty design and ease-of-maintenance results in a granulation system with a low total cost of ownership.” The tangential chamber configuration allows


processing of larger parts through a smaller machine, says Cumberland. The tangential geom- etry is complemented by the T50’s three blade rotor for enhancing large part ingestion. It is also available in five knife configurations. The design advantages also include a wide infeed section capable of handling oversized pieces, and an open wing rotor design for increased throughput and cutting performance. The T50 is designed with easy access to screen


Right: Conair launched its Viper series of granulators at NPE 2018


cradles and other access features that promote ease of maintenance. The offset design of the cutting chamber provides simplified access to the rotor and knives. Optional features offered by Cumberland include custom infeeds, an abrasion resistance package for high wear applications and a water-cooled cutting chamber. Conair launched a new family


of granulators, the Viper series, at NPE. These range in size from small beside-the-press units to large central granulators. The new Viper portfolio includes 14 models with rotor diameters of 6, 8, 12, 17 and 23 inches (140, 200, 300, 420 and 570 mm), and maximum through- puts from 80 lb/hr (36 kg/hr) to 3,800 lb/hr (1,724 kg/hr). Tangen- tial feed cutting chambers are standard on smaller machines, and the large units come in what Conair calls a “super-tangential configuration” to facilitate feeding of large and bulky


32 PLASTICS RECYCLING WORLD | November/December 2018


scrap. Three-blade open rotors are also standard, and other rotor designs are available. Sam Rajkovich, VP, Sales & Marketing at Conair,


said: “The design of our new Viper granulators has been totally customer-driven. Our objective was to develop a straightforward, uncomplicated suite of Conair-designed machines, suitable for most applications. We also wanted to make standard as many popular features as possible.” Among these popular features: all but the smallest and largest models are fully sound-insulat- ed on the hopper and the cutting chamber; abrasion-resistant steel, hardened to 550 HV, is used to reduce wear and increase the cutting chamber’s life; water cooling channels are incorpo- rated into machines with 12 inch (300 mm) diam- eter rotors and larger; larger screens, equal to 50% of the rotor diameter, are used to increase through- put without added horsepower. Benefiting the user, knives are designed to be adjusted in an outside jig on a workbench, rather than inside the cutting chamber, and maintenance and cleaning are made easier thanks to tool-less front access, hinged, tilt-back hoppers (powered on large models), and drop-down screen cradles. The Viper granulators can be configured for feeding of scrap in a wide range of shapes and sizes. The options range from an upturned feed tray for basic hand feeding, to conveyor infeed — which includes an option with feed rollers that draw film from large rolls — and an angled side feed chute for long pipes and profiles. Several discharge options are also available, including self-powered vacuum motor loaders that draw granulate out of the catch bin and deposit into a Gaylord or bin. Compressed air evacuation is another option and multiple granulators can be emp- tied by a central vacuum system to a common collection bin or box. Two European companies are making a bigger splash in the North American market on the back of investments at US manufacturing sites. Rapid Granulator — which has its major manufacturing facility in Sweden — opened a facility in Pittsburgh in mid-2017, marking its return to in- house manufacturing in the US after a nine-year period when its produc- tion was outsourced to a supplier. The company’s


newest product line is Thermo- www.plasticsrecyclingworld.com


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