Processing method of crusher of machine for pellets common mechanical faults

Mill system mainly consists of grinder and motor. The corresponding fault can be divided into mechanical and electrical faults. The following is a mechanical failure and vibration fault analysis.

Vibration mill by motor directly connected crushing device, the connection is simple, pellet mill machine easy to repair. But if in the process of assembly of two can not be well connected, it will cause the overall vibration mill.

(1) the motor rotor and the rotor misalignment. Can be moved left and right, the position of the motor, or on the motor feet below plus pad, to adjust the concentricity of the two rotor.

(2) the rotor misalignment. The reason is the palmar branch of 2 bearing surfaces of the rotor shaft is not in the same plane. In the bearing seat bottom pad copper skin, or increase the wedge iron can be adjusted in the bearing at the bottom, the guarantee 2 shaft concentric.

(3) the crushing chamber part vibration machine for pellets ‍The reason is connected with the pelletizing machine rotor coupling internal misalignment or rotor flat hammer quality uneven. Connection can adopt corresponding methods adjusting coupling and motor according to different types of coupling: when the hammer quality uneven, re matching each hammer, the hammer is symmetrical, the hammer is symmetric error less than 5G.

(4) the original balance is destroyed. Motor repair to do dynamic balance test, to ensure the overall balance of the horse.

(5) mill system anchor bolts loose or the base is not firm, in the installation or repair, evenly fastening bolts, between the foundation and the mill, with damping device, reduce vibration.

(6) the hammer broken or crushed indoor hard debris. All these will cause the imbalance of the rotor rotation, caused by vibration. Therefore, regularly check the wear serious, hammer. When replaced, machine for pellets ‍symmetric replacement; appear mill running in the abnormal sound, should immediately shut down to check, find the reason timely treatment.

(7) connecting mill system and other equipment is no match. For example. For example, a feeding tube, discharging tube connection is improper, will cause vibration and make sound. Therefore, the connection part, should not use hard connection, had better use soft connection.‍