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gravimetric blender,Advanced Blending Solutions


source:[Gravimetric blender]   release time:2021-05-31 14:48:23




When developing or upgrading blending equipment, companies can implement new technology in a variety of ways. Some focus on enabling machines to communicate with each other on the road to a Smart Factory, while others work to improve processing speed and dosing accuracy. Still others emphasize the human element, striving to find ways that make their equipment easier to use and maintain.

All of those improvements and more have been implemented within the last year by some of the industry's top blending equipment manufacturers.

Una-Dyn
 gravimetric blender can blend up to eight ingredients.
First shown at the K show, the latest gravimetric batch blender and dosing system from  recently became available worldwide. was designed for monoextrusion and coextrusion of film and provides gravimetric blending of up to eight ingredients. It features double load cells for maximum dosing accuracy, has a modular design that allows dosing stations to be added or replaced easily, and conveys resin without mechanical stress or the risk of crushing the pellets.

The blender also provides the benefits of both gravimetric and loss-in-weight systems. "Typically, blenders are either gravimetric batch or loss-in-weight,"  " combines those two technologies, offering both the gravimetric batch blender's simplicity of design and the process control of a loss-in-weight continuous blender."

The blender also can track each ingredient and precisely determine the amount of material used in each lot. The  E's controller allows the user to monitor the materials by batch as well, guaranteeing the materials' traceability.

engineers spent considerable time and effort on the design of the new stainless-steel, hemispherical mixer unit, which is now being offered on all gravimetric blenders.

"A very important element of value when evaluating the design of a blender mixer is the capability of homogenization of the blend,"  "The accuracy of ingredient proportions can be totally compromised if the mixer cannot adequately [combine] those ingredients into a homogeneous blend."

To achieve that, designers gave the a level sensor that does not require any calibration and never loses sensitivity, regardless of whether the materials have different geometries, dimensions or densities. Static charges and the presence of powder do not affect the sensor's operation.

Finally, the system's load cells are equipped with an automated cleaning system that operates after each cycle, and the discharge system allows the entire hopper to be emptied, leaving no residue.

Advanced Blending Solutions
can complete a material change without human intervention in as little as 20 seconds.

Available on new blenders, the system can be retrofitted on existing units. It can complete a material change with no human intervention — and in as little as 20 seconds, depending on the size of the blender.

First, an automated vacuum system removes material from the feeder tray and sends it to a material-collection station for later use, and then the sidewalls of the hopper are cleaned with compressed air.

In addition to saving on labor costs, says the  reduces both downtime and purge waste, and its throughput can be sized according to specific customer needs.

"More and more, our customers are looking for unique, catered solutions that provide strategic competitive advantages to them to reduce their cost to produce their end product,"
 "Our engineers work directly with the customers as an extension of their engineering departments to better understand the facilities, products and applications to help integration efforts as much as possible,"[Gravimetric blender]