Plastics processors always face an acute problem of reducing volume of wastes generated during production of plastic wares and their secondary participation in the processing and production of goods
The easiest and most reliable method is processing of wastes directly at the site of goods production from primary raw materials - the so called near-machine processing that allows to recycle wastes on the same equipment that is used for primary raw materials processing. This method allows to decrease pollution of material and simultaneously to reduce time of production process, to exclude wastes sorting and necessity in warehouse facilities, there is no need in drying material before supplying it to the recycling equipment. For the near-machine recycling of wastes JSC Atlant offers several types of low-rotation milling crushers. Crushing technology with the usage of close-pitch cutter combined with low-speed shaft rotation allows to produce crushed material of the highest quality with very low content of dust as the process is based upon milling but not cutting and abrasion, and there is no screening machine. Milling crushers, in comparison with blade type crushers, less destroy the structure of such fillers as fiberglass. The crushed material can be immediately returned to processing. Milling crushers are designed to reduce the sprues to fragments of 12 mm in diameter, box-shaped rejected items with wall thickness not more than 8 mm. JSC Atlant has developed machines suitable for crushing wastes of polyethylene pipes cut lengthwise and not exceeding 500 mm, with wall thickness less than 25 mm. It is also possible to recycle wastes of window PVC profiles and window sills not more than 300 mm long, and small polymer ingots up to 25 mm thick and overall dimensions up to 200x150 mm. Advantages of milling crushers are as follows: - Uniformity of crushed fraction (as granules of primary material); - Low content of dust particles; - Low noise level (less than 80 dB (72-76), which is significantly lower than blade type crushers have); - Suitable for in-shop operation (near-machine operation); - Possibility of direct installation to any injection molding machine; - Efficient crushing at low energy consumption (2,2-4 kWt); - Long operating life, do not require regular sharpening of tools; - Mobility and compact size. Milling crushers are always available at the warehouses of JSC Atlant.
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