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As one of the widely-applied crushers concrete block making machine, the cone crusher shows the following characteristics which help improve its work efficiency and prolong the mechanical life.Henan Daswell Machinery is a professional manufacturer of mining machine for almost 30 years in China. We are dedicated to supplying our customers with best service and products, our major products include:hzs35 concrete batching plant,brick making machine,twin shaft concrete mixer,If you are interested in our products, please contact us freely: sales@daswell.com 1) the hydraulic system: the cone crusher adjusts the discharging port by the hydraulic system which can guarantee the safe operation of the equipment. The hydraulic system can make the dynamic cone withdraw automatically when there is sundries in the crushing cavity and reset after the sundries are discharged and then continue to work by keeping the same discharging port. Four Characteristics of the cone crusher 2) the crushing cavity type: it means the geometric space between the movable cone and the welding cone. The shape of the crushing cavity effects the performance of the complete machine. The crushing cavity type is the main technical index of crushing. The cone crusher machine has four different specifications of the cavity type from coarse crushing to fine crushing and can combine into six possibilities which mean it can satisfy the customer's special requirements to the maximum degree. 3) reliable sealing: it adopts the labyrinth sealing device instead of the water sealing to prevent ash entering the machine and guarantee the cleanness of embellish oil so as to prolong the sliding bearing's and the thrust ball bearing's service life and to make the machine operate more reliable. 4) easy to change: it's very slow to change the crushing wall for the previous crushers while the cone crusher's new structure makes it very easy and quick. That's because the card pin equipped on the upper crushing wall jacked by the bolts can fix it while the bottom crushing wall is fixed by the hydraulic nuts. In this way, there is no need to add any packing materials to the back of the upper and bottom crushing walls. So this lightens the labor's working intensity in rapid change.