This series crusher is suitable for crushing ore and rock which is above medium hardness. It has advantages of reliable structure, high production efficiency, easy to modulate, high cost-effective. Its spring insurance system is the protecting gear for overload; this system can make foreign matter pass the crushing cavity, but not damage the machine, using dry and water two sealing type, it can segregate rock powder and lubricant, to ensure reliable operation.

The crushing cavity type is decided by ore's purpose, normal type is used for medium crushing, medium type is used for fine crushing, short type is used for fine crushing.