MATERIALS | MATERIALS HANDLING
new unit caters to the needs of plastics
processors looking for a standardised solution for their dosing and mixing requirements. The unit employs two distinct dosing methods:
vertical slide valves for main components; and screw feeders for precise additive dosing. This ensures high accuracy and flexibility. The bowl-shaped mixing
chamber, with optimised agitator,
Above: The TrueBlend TB-T blender from Conair works at very low throughputs
guarantees homogeneous mixing in a dead-spot- free zone, monitored by the SBlend microproces- sor control system. This allows for reducing additive quantities to the lower tolerance limit, ensuring cost savings. The SBlend G unit supports gain-in-weight dosing and mixing for up to four materials, available in three sizes for throughput rates of 50, 130, and 300 kg/hr. The standard configuration includes two vertical slides, controlled by pneu- matic cylinders, for precise dosing of main compo- nents such as virgin material or regrind. For finer dosing and greater accuracy, optional screw dosing modules can be added. These prevent material trickle and avoid overdosing expensive additives. They are available in various sizes and can be
removed and exchanged without the need for tools, offering flexible configuration to meet specific application requirements.
Low volume The TrueBlend TB-T blender from Conair delivers precise material blends from up to four ingredients at very low throughputs – from just 1 lb/hr up to 100
lbs/hr – with blend accuracy of 0.5%. Standing less than 24in tall, the compact gravimetric batch blender mounts easily on a machine feed throat or the TB-T blender stand for use as a central colour and additives blender. It was introduced at NPE 2024. The blender was designed with high blending
precision and easy maintenance in mind. It is equipped with a 7-in LCD touchscreen control that features Conair’s ‘common control’ interface for quick and easy setup. Its microprocessor control can manage multiple loaders and pumps. Like larger Conair blenders, it relies on ‘feed forward’ dosing, using multiple small dosing cycles to deliver a more precise material mix into the weigh chamber prior to mixing. The control calibrates after every dosing cycle to compensate for varia- tions in dispense method, resin bulk density or particle geometry, says Conair. The design includes a loader-mounting plate
that holds loaders firmly in place above the hoppers yet allows removal and cleaning of each of four lockable material bins. Each compact hopper has an integral gate that
remains closed during hopper removal, but opens easily for emptying and cleaning, prior to reinstalla- tion. When in operation, each slide gate is con- nected directly to an air-cylinder rod from the vacuum manifold to ensure positive actuation while eliminating troublesome clevis-pin connections.
CLICK ON THE LINKS FOR MORE INFORMATION: �
www.coperion.com �
www.maguire.com �
www.munsonmachinery.com �
www.wittmann-group.com �
www.dri-air.com �
www.moretto.com �
www.movacolor.com �
https://entek.com �
www.motan-group.com �
www.conairgroup.com
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IMAGE: CONAIR
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