Scrap is a term used to describe recyclable materials left over from every manner of product consumption, such as parts of vehicles, building supplies, and surplus materials.Overall, the scrap industry processes more than 145,000,000 short tons of recyclable material each year into raw material feedstock for industrial manufacturing around the world.
Scrap metal originates just as frequently between businesses and homes as well.Scrap is often taken to a wrecking yard (also known as a scrapyard, junkyard, or breaker’s yard), where it is processed for later melting into new products. Many scrapyards also sell bulk metals ( stainless steel , etc.) by weight, often at prices substantially below the retail purchasing costs of similar pieces.
Cathay developed the Runner Breaker, an automated metal crusher that reduces gray, ductile iron, aluminum and brass scrap down to manageable sizes for recycling. The crusher works well in foundry operations where large unmanageable runners cause damage and job delays in charging systems, cupolas and induction furnaces, bucket prep, charging, and de-slugging time. The computer controlled crushing machine breaks down large metal runners into small, targeted sizes and can withstand temperatures up to 700F(371C). The crusher can be used alone or as an integral part of an automated production line.
A scrap metal crusher includes a tapered chamber having a relatively large inlet at one end and a relatively small outlet at the opposite end of the chamber. A rotary crusher arm is axially mounted for rotation in the tapered chamber. A plurality of vanes are disposed along the inner surface of the tapered chamber, which vanes in cooperation with the rotary crusher arm convey scrap inserted into the inlet of the tapered chamber toward the outlet of the chamber while simultaneously crushing the scrap. A throat disposed adjacent the outlet of the chamber allows passage of crushed scrap therethrough to a discharge chute. The throat is automatically enlarged upon jamming of the crusher to permit any material causing the jamming to pass through the throat to the discharge chute.
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