Parameters Affect Impact Crusher Function (II)

In the last article, we mainly introduced two parameters affect the impact crusher function, one is the diameter and length of rotor and the other is the number of blow bar. In this article, we introduce other parameters.

3. Dip Angle Of Feeding Guide Plate

The raw materials enter the crushing cavity of impact crusher through the feeding guide plate, so the dip angle of feeding guide plate is a very important parameter affect impact crusher function. The smaller of the dip angle, the slower of the speed that raw materials glide. In this case, the raw materials can get fully crushed, and we can get high quality final products. But if the dip angle is too small, the production rate will decrease or even cause the raw materials piling up in the feed opening.

The larger of the dip angle, the gliding speed of raw materials gets faster. In this case, the crushing efficiency will increase, but the raw materials cannot get fully crushed, affecting the quality of final products. Besides, if the dip angle increases, the height of impact crusher also will increase.

4. Rotation Speed Of Rotor

The rotation speed of rotor is one of the important parameters in impact crusher. It plays decisive role in the production capacity, final products size and crushing ratio. Test shows that with the increasing of rotation speed of rotor, the production capacity and crushing ratio of impact crusher both greatly increase. But the power consumption will also increase along with the increasing of rotation speed of rotor. Besides, in this process, the damage of blow bar also accelerates and the requirement about manufacturing accuracy also increases.

5. Production Rate

The production rate of impact crusher is related with the rotation speed of rotor and the geometric parameter. When the raw materials are impacted by blow bar and get through the gap between rotor and impact plate, the width of raw material zone is equal to the length of rotor.