Marble crusher - spring cone crusher series it is suitable to crush various kinds of ores and rocks of medium or above medium hardness. Compare with jaw crusher, cone crusher is of stable structure, high efficiency, easy adjustment, economic operation, etc. The spring safety system of crusher acts as an overloading protection system that allows metal to pass through the crushing chamber so as not to damage the cone crusher. The safety system uses dry oil and water as two kinds of sealed formation to make plaster powder and engine oil separate to make sure reliable performance. The type of crushing chamber depends upon size of feeding and fineness of crushed product. The standard type (PYB) is applied to medium crushing, the medium type is applied to medium or fine crushing and the short head type is applied to fine crushing. 

The main features of cone crusher: 
1.The PY series crushers crushes by the change of the gap in the crushing cavity .The gap is opened and closed by the gyration of main shaft, which is derived by motor through cone gears. 
2.The PY series cone crusher is of high reduction ratio, high performance, low power consumption, and uniform size products. It has been used in the secondary and tertiary crushing. 
3.The cone crusher consists of body frame, transmission shaft, eccentric sleeve, cone bearing, breaking cone, supporting sleeve, adjusting sleeve, feeding part,spring,elastic coupling ,lubrication part , electric part, ect.

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