Dust-free pellets are absolutely crucial for optimum quality during the injection molding of optical parts. Fine dust can form both during the production of the pellets or during transport in the conveyor systems. As the fine dust burns and leaves residues rather than plasticizing when heated, even the smallest quantity of dust can result in flaws in the injection molding.
The development and production of pellet dedusters is the specialty of MBengineering GmbH & Co. KG, Dürbheim, Germany. The latest deduster series, TS5 compact, will be presented at the Fakuma. It is predestined for the dedusting of smaller throughput volumes. In the dedusting module, the plastic pellets are swirled against a screen by turbulent air streams and the fine dust is carefully filtered out. At the same time, ionized air can be admitted to break down electrostatic charges. All relevant process parameters, e. g. the screen dimensions or the duration and number of dedusting cycles, can be individually adapted.
The dedusting module can be installed instead of a conveyor directly on the material feeder of the injection molding machine. As there is a permanent vacuum in the pellet deduster, no fine dust can escape from the process into the atmosphere. All system parts coming into contact with the product are made of stainless steel and can be quickly and easily changed at material changes. The filter has a self-cleaning function. More stable production processes, reduced scrap and less material consumption ensure a short pay-back period.
Fakuma Hall B1, booth 1107
MBengineering GmbH & Co. KG
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