What is Hydraulic Pressure ?
There are only three basic methods of transmitting power：Electrical，mechanical, and fluid power．Most applications actually use a combination of the three methods to obtain the most efficient overall system．
Hydraulic pressure – Most modern crushers are equipped with hydrostatic bearings where the pressure can be monitored using pressure gauges. The pressure level gives an indication of the crushing force on the mantle .The condition of the pressure signal also holds information regarding the crushing operation. High amplitude suggests that the mantle is performing different amounts of crushing work at each circumferential position. Reasons for this could be miss-aligned feeding of the crushing chamber or segregated feed. If the crusher chamber lacks material, i.e. is not choke fed, the pressure will drop when the mantle reaches that position. In the case of segregation the feed size distribution.
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