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A paper shredder is a mechanical device used to cut sheets of paper into either strips or fine particles. Government organizations, businesses, and private individuals use shredders to destroy private, confidential , or otherwise sensitive documents.
Shredders (music group), an American hip hop group; Shredder, a 1973 album by The Wackers "Shredder", a 1998 single by Christopher Lawrence; Computing.
Industrial shredder. This shredder is set up in line with a granulator, in order to reduce the size of the processed material more. An industrial shredder is a machine used to break down materials for various applications such as recycling, volume reduction, and product destruction.
Simulations of jammed systems study particle configurations leading to jamming in both static systems and systems under shear. Under shear stress, the average cluster size may diverge after a finite amount of strain, leading to a jammed state. A particle configuration may exist in a jammed state with a stress required to "break" the force ...
The first attested graters were made out of bronze, and also silver alloys, in the early first millennium BCE, examples of which were uncovered from burial sites in Greece and Etruscan Italy.
Small grain hammermills can be operated on household current. Large hammer mills used in automobile shredders may be driven by diesel or electric motors ranging from 2000 to over 5000 horsepower (1.5 - 3.7MW). The screenless hammer mill uses air flow to separate small particles from larger ones. It is designed to be more reliable, and is also ...
The Schnitzer Steel group installed their own custom made 10,000 hp unit in 1980, and there are many Newell Shredders that have these high hp designs. A 9,000 horsepower Mega Shredder at Sims Metal Management's Claremont Terminal in Jersey City, New Jersey processes 4,000 tons of metal a day.
It is estimated that every year in EU nations nearly 3 million tonnes of automotive shredder residue (ASR) are generated. [2] While half of the waste which contains rubber, textiles and plastics can be transferred into alternative fuels or recycled, the remaining portion is primarily land-filled.