Jaw crusher can reach the crushing ratio of 46 and the shape of final product is even. It is widely applied to crush high hardness, mid hardness and soft rocks and ores such as slag, construction materials, marble, etc.
Primary Crusher. Primary crushers are heavyduty rugged machines used to crush ROM ore of (−) m size. These largesized ores are reduced at the primary crushing stage for an output product dimension of 10–20 cm. The common primary crushers are of jaw and gyratory types.