Mann+Hummel ProTec: Service package for injection moulders expanded with new developments

MANN+HUMMEL ProTec is continually expanding its range of SOMOS® standard line equipment for the conveying, drying and dosing of free flowing plastics. The new additions include a range of versatile granulators (Photo), a new batch dosing and mixing system for treating multi-component mixtures and a dryer for small throughputs.

Versatile usable SOMOS® granulators
With the new SOMOS® granulators, thermoplastic materials like sprues, distributors, slugs or even defective parts accumulating during injection moulding, blow moulding or extruding can be recovered for added value right during production. A series tailored to the respective requirements of the production plant and graded in size is available for this purpose, including SOMOS® SlowCut all-round mills with grinding chamber dimensions of up to 170 x 310 mm², a SOMOS® SnapCut toothed roller mill with 260 x 260 mm² and the SOMOS® EcoCut, which can be used as a small central granulator or large beside-the-press granulator, with a 250 x 380 mm² grinding chamber.

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Thanks to their ideal cutting and grinding chamber geometry, SlowCut mills can process almost all current plastics: Standard plastics right up to highly filled and reinforced technical plastics as well as extremely brittle or even high-impact materials. However, even soft plastics, such as soft PVC and various TPU types, can be processed into high-quality grinding stock with these all-round beside-the-press granulator. If extremely brittle or highly reinforced plastics with high glass fibre or glass bead contents are the preferred material for reduction, the SnapCut toothed roller granulator designed specifically for these kinds of applications is what you need here. An extensive range of accessories is available for all granulators, such as standard chutes for manual feeding and media chutes especially designed for the use of handling systems on grinding material.

All SOMOS® granulators are compact and space-saving, have tamper-proof, sound-proofed media chutes, operate very quietly and provide high-grade grinding material with very low dust content. Low energy consumption and long service life belong to the performance characteristics just as much as simple handling and cleaning, which save time and money.

New batch doser – precise and especially cost-effective
The SOMOS® Gramix Compact TB 100-4 dosing and mixing system which works batch-wise to treat multi-component mixtures is also new. The system has been designed for four components and a max. throughput of 180 kg/h. The mixture components are dosed one after the other in a weighing tank and the total batch is subsequently homogeneously mixed in a mixing chamber located below. The system is mounted directly onto the throat of the injection moulding machine, but is fundamentally suited to feeding extruders in overfeeding mode as well.

The new batch dosing system combines dosing precision with an especially cost-effective price-performance ratio. The technological improvements implemented in the system now facilitate the dosing of mixing proportions of a mere 1% in a very cost-effective way with slide gate systems, achieving precisions of ± 0.5% of the dosing weight. Therefore, the new SOMOS® Gramix Compact TB 100-4 batch dosing system provides an especially cost-effective solution for many processing tasks in which the reliably good formula consistency of the material mixture is what counts.

The standard high-quality design of the system includes powerful controls comfortably operated with a touch screen, large doors on the hoppers for the main components, quick releases for the auxiliary component hoppers, spacious entry to the weighing area and removable mixer components. This greatly simplifies and speeds up material changes.

Injection moulding teams supporting fabricator companies
MANN+HUMMEL ProTec has instigated "injection moulding teams" to support small and medium-sized injection moulding companies in particular. With the know-how of these specialists in respect of material treatment and their practical experience with injection moulding, these teams provide an all-round service ranging from the design of the equipment systems from the SOMOS® line customised to each processing task up to material treatment and the installation of the systems including training of the staff on site.

With its injection moulding service, the company is offering its customers access to high-quality, energy-efficient products for the drying, conveying and dosing of free flowing plastics and for the reprocessing of valuable process waste – and with short lead times. Additional products for the stable process management of mass production moulds from the product ranges of well-known manufacturers are also part of this service: hot-runner temperature control systems from Gammaflux Europe GmbH, Wiesbaden, and tool tempering systems.

More Information: www.mh-protec.com

Mann+Hummel ProTec GmbH, Bensheim, Germany

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