subject: The Operating Information About Cone Crusher [print this page] The cone crusher is the fine crushing machine used in stone quarry plant, it has two types: short-head type and standard cone crusher.
The crushing cavity of Cone Crusher
Crushing cavity of Cone Crusher must adapt to the max feeding size. The max feeding size is about 80% of feeding mouth width. If the feeding mouth width is to large, the feeding materials can not be crushed in the upper of the crushing cavity and accumulate in the bottom of the crushing cavity. At this time, the crusher is overloaded and the production quantity is reduced. Generally in crushing cavity, it is reasonable that the large grains in feeding materials will be crushed 4 or 5 times then be discharged out of the machine. If the feeding mouth width is small, when the scaleboard is worn the crushing cone is adjusted upwards, the feeding mouth width is reduced, the large blocks are stuck and can not come into the crusher. The correct design is that: in all scaleboard working time, the large blocks can come into the crushing cavity and total power consumption is a little lower than motor power rating with little fluctuation.
Particle size characteristics of feeding materials
Particle size characteristics of feeding materials are also important. In the feeding materials, large grains and small grains should be according to a certain proportion in the mixture. The fine grain material whose size is lower than the discharging mouth width will be screened out by the prescreening. Prescreening work in quite important for fine crushing period, or the power consumption and abrasion will be increased and the production will decline.
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