Abstract
This paper presents a method evaluating in numerical value the magnitude of vibration component contained in the rotor angular velocity of a hammer crusher and a new structure to remove them. In the hammer crusher, while rotating by the rotor, hammers are swinging around their pivots simultaneously. This swinging gives effect on the motion of the rotor, making vibration component contained in the rotor angular velocity. By simulating the rotating process of the hammer crusher, the rotor angular velocity and motor power are obtained, and by using the digital filtering technique, a method is developed to evaluate its magnitude in root mean square value by extracting vibration component contained in this simulation result. With this evaluating method is evaluated the simulation result on the motion process of various structures to find out a new structure model of very little value of vibration components in angular velocity and motor power.
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