Design, Fabrication and Testing of a Double Roll Crusher - IJETTtheoretical efficiency of the double roll crusher when crushing line was 60% while that of kaolin was 80%. Keywords: Double roll, crushing, Particle size,.theory of line crushers,Crusher - WikipediaA crusher is a machine designed to reduce large rocks into smaller rocks, gravel, or rock dust. ... In earlier years the practical use of HSI crushers is limited to soft materials and non abrasive materials, such as line, phosphate, gypsum,.
theory of line crushers