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Different Types of Stone Crushers

Date:2012-07-05    Source:

       Stone crusher is designed to grind or crush various types of rock into small, relatively fine pieces. Aggregate crushers are used in mining, quarrying and recycling operations. Several types of crushers can perform this task including roller crusher, gyratory crusher, jaw crusher and so on. Aggregate crusher can be relatively small, like the mobile units used for reclaiming recycled asphalt, or huge machines that can process thousands of tons of material a day.
      Hammer mill machines with rotating shaft is suitable for free-swinging hammers. This assembly is enclosed by a drum and fed by a hopper. A screen will keep material inside the drum until the rotating hammers pulverize it into pieces of the size operators wants. These types of aggregate crushers are commonly used to process recycled asphalt or to produce crushed stone for landscaping. Hammer mills are sometimes known as impact crushers.
      Jaw crusher is widely used in large mining or quarrying operations. Jaw crusher is designed to crush large pieces of  rock or ore between two jaws. One jaw is fixed, and the other is mounted so that the two jaws can form a V-shape. The second jaw moves back and forth relative to the first jaw, crushing the material as it moves downward, until the pieces are small enough to fall through the opening at the point of the V. Multiple aggregate crushers of the jaw type are often employed in a series, gradually reducing the particle size.
      Roller mill is used to crusher softer types of rock like sandstone. Rough pieces of rock are fed into a mechanism consisting of rollers that are usually fitted with teeth that interlock with teeth on an opposite roller as they rotate. These teeth grasp the pieces of rock to be crushed and force them between the rollers where they are crushed and fed out the other side.

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