Nov 27, 2008

How Car Crusher Works ?

For every beginning there's an end. Every shiny new car on the showroom floor will one day end up in a junkyard, its value no greater than the weight of the metal used to build it.


One of the most important stops an old car reaches at the end of the line is the crusher -- a massive machine whose only purpose is to compress a car into a tiny cube or flattened slab.

A car crusher is a piece of machinery used to compress the metal remains of a junked car after it has been stripped of all useful parts. Compressing them takes up less space when stored, or when transported via truck or train to a recycling facility. A crusher is just one step of the auto-recycling process.

Crushers can be portable or stationary. Older machines tend to be stationary - once they're set up in a scrap yard, they stay there. Today, most crushers are portable. They are built mounted to a standard-size truck trailer, and can be towed to various locations, set up, used to crush some things, then moved somewhere else. This helps cut costs for auto salvage yards.

Why Crushing ?
About 65 percent of a junked car is made from steel (the rest is made from other metals plus glass, rubber and upholstery). The price for scrap steel and iron, though volatile, often hovers around $250 per ton.

Recycling metal uses about 74 percent less energy than making new steel, according to the Environmental Protection Agency. Recycled steel is cheaper as well, since new ore doesn't have to be mined to produce it.

All steel produced today has at least 25 percent recycled steel in it, and some products are made entirely from recycled steel. So in addition to the economic and environmental benefits, recycling cars is a vital link in the world's industrial infrastructure.

1 comments:

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