PFW Series Impact Crusher Working Principle
PFW Series Impact Crusher uses kinetic energy (violence) to shatter rock.
Rock enters the chamber and is immediately struck by massive chrome Blow Bars (hammers) mounted on a fast-spinning rotor. The rock is thrown upwards against heavy steel Impact Plates (curtains). The rock shatters and bounces back down to the rotor to be hit again. Finally the rock breaks along its natural fissures, creating a stress-free, square-shaped stone.
The rocks from large to small all are be crushed at the impact chamber repeatedly to required size. Specially, the clearance between the impact rack and the rotor can adjust the size and shape of the end product.
● Advanced manufacture process and high—end fabrication material
Key components of the equipment are made of advanced machining and hot treatment processes. Counterattack board is cast by high wear resistant material and the impact face is provided with a lining structure, largely improving the wear resistance property of the impact plate.
Board hammer is poured by the process integrating with highchrome material and wear—resistant material and processed by the rigid thermal treatment, having fine machine impact resistance and thermal impact resistance properties. It makes the fullest use of the hammer bars with symmetric design, which can extend the working life about two times than the old design.
● Overall type cast steel structure bearing base
The overall cast steel bearing base is fully matched with the impact crusher, and largely increases the radial strength of the bearing base and improves anti load resistance capacity; while the split type bearing base is out of these advantages.
● Reliable wedge fixing mode
The flat hammer of PFW impact crusher is fixed on the rotor by a group of wedge blocks. The wedge block tightly locks the flat hammer from horizontal and vertical directions and needs more fastening torque to enable the flat hammer installed in a simple and convenient way and eliminate abrasions from the flat hammer fixed by bolts.
● Spring safety device
When iron or other hard material that can not be crushed, be fed in the crushing chamber, the front and rear impact shelves will be pushed back, so the hard material will be discharge, the impact crusher resume production and eliminate the blocking risk.
● Hydraulic jacking device and hydraulic regulated discharging port
PFW series impact crusher is installed with hydraulic system at both side. This system can be used for opening the cavity and adjusting the discharge port. It makes changing spare part more easy, reduce time and human labor.
Maximino
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