## Differentiate the weight of new type impact crusher's hammer

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Due to the great weight of new type impact crusher's hammer,high hammer kinetic energy ofrotor rotates when running, the highest degree of fragmentation of materials. Uneven centrifugal force and vibration effects of rotor can be increased and a high degree of bearing wear will be done; if the hammer's weight is light, the low degree of broken material (hammer can not be effectively crushed materials or hammer against material recline Upon return to the location of the original hammer is still not restored to the upright position, reducing the degree of fragmentation of materials and production capacity). The method of determining integral hammer's weight M can be the kinetic energy and momentum method.
(1)Kinetic energy method.When this new type impact crusher work, we can deem that the motor power can be completely converted to the kinetic energy of hammer and be able to crush material efficiently,motor power Nm,then weight of single hammer M can be calculated.
(2)Momentum method.Momentum method is considerd that hammer's speed after fighting against material losses should be small,or recline a lesser extent, the hammer should be from backward state restored to the upright state. Otherwise,it's easy empty for hammer to crush materials,cause the increase of new type impact crusher's power consumption and decrease of the capacity.The experiments show that the loss of hammer speed after the fighting against material is less than or equal to 50%,the hammer will returns to resume a normal upright position.The weight of single hammer M can be calculated based on a momentum principle.
After obtaining hammer's weight by the kinetic method and momentum method, choose the heavier one to determine to the hammer's weight M.Corresponding,can also determine the maximum feed size of new type impact crusher by hammer mass M and the density of the material.

Working Principle of Hammer crusher:

The motor drives the rotor rotates of the Hammer Crusher at a high speed through the belt, and on the rotor there are series hammers. When the materials get into the working area of hammers, they are crushed by the rotating hammers of the Hammer Crusher with high rotation speed, the products which are crushed to meet the required size can be discharged by the outlet and become the final products, the large size products are brought back to the crushed area by the hammers of the Hammer Crusher for being re-crushed until they reached the required size.

1.Simple structure,
2.High reduction ration,
3.High efficiency,
4.Low Cost

The material crushed by the Hammer crusher (Hammer Mill) through the collisions between high-speed hammer and materials. The PC Hammer Crusher(Hammer Mill) were developed for both dry and wet crushing of brittle, medium-hard materials for the mining, cement, coal, metallurgic, construction material, road building, and petroleum & chemical industries.

Raymond mill http://www.raymondgrindingmill.org/

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