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        IMA

ProTec features new high-throughput gravimetric batch dosing unit

ProTec

ProTec Polymer Processing, a German system supplier to the plastics industry, will premiere the Somos Batchmix XL batch dosing unit for flowable multi-component mixtures at the K2016. This new, high quality and user friendly unit extends the Batchmix series to high throughputs of up to 1,900 kg/hour, offering high dosing accuracy at an attractive price/performance ratio. The other models in the series are the Batchmix M for throughputs of up to 240 kg/hour and the Batchmix L for up to 1,100 kg/hour. These gravimetric Batchmix dosing units are suitable for supplying multi-component mixtures to both injection moulding machines and extruders. All three models are capable of handling up to six flowable components (and can also be retrofitted with expansion modules) and can be equipped with Somos vacuum conveyors for automatically filling material storage bins.

These intelligent, Industry 4.0-capable batch dosing units are easy and intuitive to operate via the Somos control/professional touchscreen controller with its graphical user interface. Formulations can be stored in a networkable controller's local storage where they are directly available for use. A standard USB interface allows formulations and data to be exported and further, externally stored formulations to be imported. The controller is also capable of simultaneously controlling extruder throughput. Conveying devices can also be integrated as standard. In order to prevent unauthorised changes by line operators, the controller has two operating levels with password protected access to the administrator level.

In gravimetric batch dosing, the required mixture of materials is obtained by weighing out the components in a single batch on the basis of the formulation. A number of individual batches

pass into a downstream mixer and, once homogenised, can be taken from the hopper as required. ProTec's Somos Batchmix series of gravimetric batch dosing units offers reproducible, high levels of metering accuracy. This is achieved by equipping both the weighing hopper and the downstream mixing hopper with two load cells. The optimised dosing devices are even capable of handling regrind with a bulk density of as little as 400 g/l.

(IMA)


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