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Size Reduction Machines
Plastic materials usually need to be cut into smaller sizes in order to allow further processing and to provide easier packaging, transportation, and distribution of recycled stock. This cutting presents certain challenges, as many plastics are abrasive to metal blades and can have wide variation in their hardness, weight, and thickness. Most standard size reduction is performed by single or multi-shaft shredders, and granulators. Multi-shaft shredders perform scissor-like cutting with a series of rotating blades that can handle moderately dirty or contaminated material, but are somewhat imprecise in the size of the cuts. Single shaft shredders perform more of a tearing motion, and have slower motors that lengthen blade lifespan. They can also handle dirty or abrasive material and usually have adjustable or replaceable blades.
Granulators are composed of a rotor attached to blades that rotate within a chamber containing a grid floor. Their capacity for processing plastic material depends on the speed of the rotor, angle of the cutting blades, spacing of the grid, and the shape of the rotor. Granulators are usually sturdy machines, capable of relatively rapid cutting rates, and the presence of the grid allows for more precise control over the size of cuts. Granulator blades typically need to be replaced regularly over the course of operations.
After the plastic has been cut into smaller pieces, or "flakes," the stock usually needs to be washed in order to remove lingering dirt or attachments. Paper, glue, sand, and grit are some of the common elements targeted in the washing process, which can be accomplished using water baths, friction washers, or a washing line. The washing line applies a continuous hot spray over a stream of plastic material, removing some or all of the labels and dirt attached to the plastic surface. Detergents and disinfecting agents are often included in this process to improve the level of cleaning.
There are a variety of other Recycling Machine used more and more in the modern industry such as Copper Wire Recycling Machine, Motor Rotor Recycling Machine and Radiator Recycling Machine. Without doubt, they must require the cooperation with many Other Accessories like Cable Stripper and Cable Shredder.