A crusher is a machine designed to reduce large rocks into smaller rocks, gravel,
sand or rock Impact crusher[edit]. Impact crushers involve the use of impact
rather than pressure to crush material. This is a crusher bucket, crushing rock
in a quarry, for recycling the material previously extracted. A crusher bucket is an
Quarry Operations Walker Aggregates Inc. - www.walkerind.com
The crushers fragment the rock by compression or impact and the screens
separate the stone by size. • The primary crusher is a compression jaw crusher.
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Selecting the Right Crusher for Quarry Operations | Agg-Net
Another critical appliion factor to note is the effect of contaminated material;
jaw crushers do not perform well with materials contaminated with clay, dirt or
metal
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