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A scrap tire shredder, which comes in many different variations and sizes, is a machine used for reducing the size of scrap tire.
Scrap Tire Shredder Wear Parts Include
Hammers: The most-frequently replaced wear part is the bell-shaped hammer. Hammers impart the enormous kinetic energy of a shredder’s spinning rotor onto the tire being shredded. Hammers weigh nearly one-half ton new and number about a dozen on the rotor. The rotor with hammers and other wear parts collectively weighs as much as 60 tons. A motor as large as 10,000 hp is needed to attain an operating speed of about 500 rpm. In general, hammers need to be replaced when they have worn down to less than half of their initial weight. If only one hammer needs to be replaced, operators typically replace the opposite hammer, too, to keep the rotor in balance. On average, hammers are replaced once a day.
Liners (including side liners and main liners): Liners internally protect the shredder from damage by the metal being shredded in the hammermill. Liners sustain substantial abrasion and impacts from the rapidly moving metal inside the hammermill. Depending on shredder size and material being shredded, liners may need replacing after 100,000-200,000 tons of material have passed through the shredder.
Caps (rotor and end discs): Rotor and end disc caps protect the rotor from damage by the tire being shredded in the hammermill. Depending on shredder size, caps can weight hundreds of pounds. Caps are replaced after about 10-15 hammer replacements, or about every 2-3 weeks of operations.
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