... diameter max 50mm rubber blocks into diameter min15mm rubber grains 2)CE, ISO9001 certification 3)One year warranty Introduction JCS Rubber Coarse Crusher ... is to smash the diameter ≤ 50 mm rubber blocks into diameter ≤15 mm grains. Its main components: feed ... body, motor, V belt, V belt wheel, main shaft, bearing, holder of movable blade, movable blade, running wheel, fixed blade, screen ...