RECYCLING | TECHNOLOGY
Conair adds that every one of the new Viper
granulators can be configured for the safe and convenient feeding of scrap in a wide range of shapes and sizes. For basic hand feeding, an upturned feed tray accepts most parts and/or runners. A similar feed-tray configuration suits robot feeding and a front-facing hopper opening accepts metered feeding of scrap via conveyor. Conveyor speed can be automatically regulated to prevent excessive loads on the granulator drive motor. Several evacuation options are also available, including self-powered vacuum motor loaders that draw granulate out of the catch bin and deposit it into a Gaylord or bin. Compressed air evacuation via venturi can be used to move regrind to a Gaylord or barrel, which can be fitted with flexible covers to minimise dusting. Finally, multiple granulators can be emptied by a central vacuum system to a common collection bin or box. Each granulator is equipped with a vacuum pick-up tube and a material line valve, sequenced by a central loading control like the Conair FLX-128 Plus. In each of these cases, evacuation can be set up to convey continuously, on a timed basis or a signal from a level sensor in the catch bin. Blower/cyclone evacuation systems, including back filters when needed, are also available. Vecoplan has launched the VD 1100 shredder-
granulator combination that reduces the input material to the required output particle size in two stages. The regrind material can then be fed back into the production flow. As the system combines several working steps, the user has consider- ably lower investment and operating costs and, at the same time, high availability. The company adds that increas- ingly plastics processors are relying on in-house recycling. This enables them to use uncontaminated raw materials and reduce manufactur- ing costs. The VD 1100 shredder- granulator combination was developed in collaboration with the grinder specialist Dreher Granulators. It combines the know-how of two systems and machine builders in one housing. For example, it shreds purgings, lumps and bulky objects, such as Intermediate Bulk Containers (IBC) canisters and drums, to the desired output particle size in two stages. The regrind material can therefore be reused directly. Combining several working steps in one machine enables the user to save considerable space, because there is no need to install conveyor
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equipment or provide storage space for the waste material. Vecoplan has also developed
the V-Eco series, which enables a wide range of residual plastic materials, such as films, hard plastics, tissue and fibres, to be shredded efficiently. The company says that these machines are mainte- nance- and user-friendly. The hydraulic upwards-pivoting bottom flap and the downwards-pivoting screen enable the operator or service engineer to gain easy access to the rotor. This allows immediate removal of extraneous material, easy rotation or changing of counter-knives, and reconfigura- tion of the machine – for exam- ple to alter the screen perfora- tion size when changing the charging material. The material is fed in continuously due to the angled design of the machine base and a step-less adjustable slide controller. This ensures that the process is uninterrupted. An IBC can be shredded in just 30 seconds, for example. Cumberland – part of the ACS Group – has
introduced the T50 Series granulators, which are claimed to offer strong, versatile, and reliable perfor- mance. With a full range of size and design options to choose from, the T50 Series is suitable for applications ranging from large injection scrap, furniture components and appli- ance parts. The company says that the tangential design offers the capacity to process many types of scrap with improved inges- tion at a lower power requirement, while the offset design allows for higher throughput of lower density
parts. Energy efficiency paired with heavy-duty design and ease-of-maintenance results in a granulation system with a
low total cost of ownership.
Throughput ranges from 680 kg/h to 1,130 kg/h (1,500-2,500 lb/h) and the design offers enhanced part ingestion through the tangential chamber configuration. A wide infeed section is capable of handling oversized pieces, while an open wing rotor design allows increased through- put and cutting performance. There is easy access to screen cradles and other access features that promote ease of maintenance. An offset cutting
July/August 2018 | INJECTION WORLD 53
Above: Conair has launched a new portfolio of Viper granulators
Left: The VD 1100 from Vecoplan shreds input material such as purgings, lumps and bulky objects to the desired output particular size in two stages
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