Cone crusher is widely used in metallurgical industry, building materials industry, construction industry, chemical industry and silicate industry, applicable to crush various minerals and rocks of middle or above hardness. This machine has features of big crushing ratio, high efficiency, large capacity, low cost, convenient adjustment, economic usage, etc. With the improvement of the series of cone crusher, their structure is more perfect and the technology parameter is more advanced, so these crushers have excellent performance in the aspects of manufacture, installation, use and maintenance etc.