Do you know what to do when the metal crusher vibrates?
Time: July 15, 2020 11:33
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Problem: hammer broken or damaged, there are hard debris in the room. Analysis and treatment: these will form the imbalance of rotor rotation, and cause the whole machine oscillation. Therefore, it is necessary to check the hammer regularly to see if the wear is severe. When replacing, it should be replaced symmetrically
Metal crusher Vibration treatment
The vibration crusher generally uses the motor to connect the damaged equipment directly. This connection method is simple and easy to repair. But if the two can not be well connected in the process of the equipment, it will constitute the overall vibration of the crusher.
(1) The motor rotor is not concentric with the pulverizer rotor. The orientation of the motor can be moved to the left and right, or a cushion can be added under the motor foot to adjust the concentricity of the two rotors.
(2) The pulverizer rotor is not concentric. The reason is that the two supporting surfaces of the rotor shaft are not in the same plane. The copper sheet can be padded on the bottom of the support bearing seat, or an adjustable wedge iron can be added at the bottom of the bearing to ensure that the two shaft heads are concentric
(3) The vibration of damaged chamber is large. The reason is that the connection between the coupling and the rotor is not concentric or the quality of the flat hammer in the rotor is not uniform. According to different types of couplings, the corresponding methods can be adopted to adjust the connection between the coupling and the motor: when the quality of hammer pieces is uneven, each group of hammers must be re selected to make symmetrical hammers and the error of symmetrical hammers less than 5g.
(4) The original balance is damaged. After the repair of the motor, dynamic balance test must be carried out to ensure the overall matching balance.
(5) If the foundation bolts of the pulverizer system are loose or the foundation is not firm, the anchor bolts should be tightened evenly during the equipment or repair. The damping equipment should be installed between the foundation and the crusher to reduce the vibration.
(6) The hammer is broken or damaged, and there are hard sundries in the room. All of these will cause the unbalance of rotor rolling and cause vibration of the whole machine. Therefore, it is necessary to check regularly for the hammer piece with serious wear. When replacing, it should be replaced symmetrically; if there is any abnormal movement or static in the operation of the pulverizer, it is necessary to stop the machine immediately for inspection, find out the causes and deal with it in time.
(7) The connection between pulverizer system and other equipment is not in conformity. For example, improper connection of feed pipe and discharge pipe will cause vibration and noise. Therefore, the hard connection is not suitable for these connecting parts, but the soft connection is preferred.
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