Power Consumption and Rotating Numbers of Jaw Crusher

In the crushing process, the power consumption of the jaw crusher is related to the number of revolutions, standard size, the size of the discharge opening, nip angle, particle size characteristics and the physical and mechanical properties of the materials to be broken. Among the factors, the physical and mechanical properties of the materials to be crushed have the greatest impact on the power consumption of the crushing equipment. Of course, if the specifications size of the crushing equipment is large, the power consumption will be great. If the number of revolutions of the eccentric shaft increases and the crushing ratio increases, the power consumption will also increase. Since there are a lot of factors affect the power consumption of the jaw crusher, there has been no complete theoretical formula to be used to calculate the power consumption of the crusher.
In the parameters optimization design of the institutions size of the jaw crusher, the power of the jaw crusher is an important constraint condition. As a result, we must establish the calculation formula of the power of the crushing machine. The derivation of the power of the calculation formula of the jaw crusher should be in the crushing process with cycle of motion. It should be based on the work of the crushing force in the displacement direction of the points of the teeth surface. In order to facilitate the calculation, it is assumed that all points on the tooth surface of the moving jaw move parallel according to its average value of its horizontal in the crushing process without taking into account the friction between the material and liner. Regardless the distribution of the crushing force on the liner and the change and size of the crushing force on the liner of the moving jaw, a concentrating force which is perpendicular to the tooth surface of the moving jaw is set. The work done by the concentrating force along the average horizontal throw in the movement circle and the actual crushing force along the actual horizontal throw on the tooth surface of the moving jaw are equivalent.
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