Crusher - Wikipedia
A crusher is a machine designed to reduce large rocks into smaller rocks, gravel, sand or rock dust.. Crushers may be used to reduce the size, or change the form, of waste materials so they can be more easily disposed of or recycled, or to reduce the size of a solid mix of raw materials (as in rock ore), so that pieces of different composition can be differentiated.Roll Crusher Manufacturer & Design | Williams Crusher,Use an Industry-Leading Roll Crusher on Your Next Job. The Williams Patent Crusher Roll Crushers are designed to crush friable materials such as coal, limestone, clay, mineral, and diatomaceous earth for the mining, recycling, and power industries.. Williams is an industry-leading roll crusher manufacturer and designer for high-quality roll crushersnew roll crushers, new roll crushers Suppliers and,,Alibaba offers 460 new roll crushers products. About 48% of these are Crusher, 2% are Mining Machinery Parts, and 2% are Plastic Crushing Machines. A wide variety of new roll crushers options are available to you, such as condition, local service location, and applicable industries.