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Developed to meet the needs of small-part molders, the new ultra-compact TrueBlend™ TB-T blender from Conair delivers precise material blends from up to four ingredients at extremely low throughputs – from just one lb./hr. up to 100 lb./hr. – with blend accuracy of ½ of one percent. Standing at less than 24 inches tall, this ultra-compact gravimetric batch blender mounts easily on a machine feed throat or on the new Conair TB-T blender stand for use as a central color and additives blender. The new blender is being globally introduced at the Conair booth (W2113) at NPE 2024, May 6-10 in Orlando.
The TB-T blender was designed with high blending precision and easy maintenance in mind. It is equipped with a 7-inch 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, the TB-T 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 variations in dispense method, resin bulk density or particle geometry.
Unlike some blenders that bolt a material loader directly to the removable hopper – an arrangement that complicates hopper removal and cleaning – the TB-T design includes a loader-mounting plate that holds loaders firmly in place above the hoppers, yet allows for independent removal and cleaning of each of four lockable material bins. Each compact hopper (approx. 0.15 cu/ft capacity) has an integral gate that remains closed during hopper removal, but opens easily for emptying and cleaning, prior to reinstallation. When in operation, each slide gate is connected directly to an air-cylinder rod from the vacuum manifold to ensure positive actuation while eliminating troublesome clevis-pin connections.
“Small-part processors told us that they wanted a batch blender, optimized for low throughputs, that is easy to drain and clean,” says Alan Landers, Blending Product Manager for Conair. “We’ve developed a hopper design where material loaders can stay in place, yet the hoppers can be easily and independently removed. The compact weigh bin, mix chamber, and mix agitator can also be removed, or cleaned in place using an integral air blow-off hose.”
The Conair Group (www.conairgroup.com) offers innovative auxiliary equipment solutions to plastics processors around the world. With 32 degreed engineers, including 16 senior team members with an average of over 23 years of experience, Conair brings unparalleled technical expertise and support to its customers, guaranteeing its products will deliver maximum productive uptime. Twenty parts and service team members respond to tens of thousands of calls each year, answering in an average of about 15 seconds. Over 450 individual products include resin drying systems, blenders, feeders and material-conveying systems, temperature-control equipment, and granulators. Extrusion solutions include line-control systems, film and sheet scrap-reclaim systems, and downstream equipment for pipe and profile extrusion. Conair also has specialized expertise in every major end market – such as packaging, medical, transportation, building and construction, and many others – and strives to ensure plastics processors succeed in today’s competitive global marketplace.
