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The Hammer Crusher Type Ev Essay

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Impact Hammer Crusher Type EV 200*300 for crushing of limestone. The Hammer Crusher is of single rotor type, with outlet grates and inlet roller, and is designed for larger- size reduction in one stage.The feed fall upon two slowly rotating shocks- absorbing roller transporting the material to be crushed in the crusher properly. Part of the fines is separated off at this stage. In the crusher, the hammers break up the material and hurl it against the lining of the upper part of the crusher for further fragmentation. Final crushing takes place at the adjustable crushing plate and the outlet grates. The rotor shafts runs in amply dimensional spherical roller bearing in split bearing house with oil bath lubrication and grease- filled labyrinth seals. The bearing housings are placed on rigid bottom frame of cast steel, bolted together. The bottom frame is provided with large, hinged access doors and lined with wear resistant, bolted- on lining plate, at areas exposed to wear from crushed material.
The heavy forged, square, rotor shaft is provided with cast steel hammer discs. The chrome-alloy manganese steel hammer are suspended on through going hammer bolts of induction- hardened chrome nickel steel, supported in replaceable, hardened bushing of chrome nickel molybdenum steel placed in the hammer discs. The hammer bolts are locked into position by discs at either end of the rotor. The hammer are symmetrically shaped and can be turned so that the leading and trailing edges are

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