It is a common phenomenon that the hammer-type pulverizer that has been inspected and installed for the first time has a strong vibration of the fuselage during the test run. But why is this happening? Let's take a brief look at the reasons for this in the shredder.
(1) Check the installation of the hammer in the assembly. When the hammer is used for the U-turn, in order to prevent the balance of the rotor from losing balance, all the hammers in the pulverizer must be turned around in the same direction, otherwise strong vibration will occur during operation.
(2) The difference between the weights of the two sets of hammers exceeds 5 grams. The method of elimination is to adjust the weight of the hammer so that the difference between the two groups of weights is less than 5 grams.
(3) The individual hammers are stuck too tightly and do not open during operation. After stopping, you can turn it by hand and find a way to make the hammer rotate flexibly.
(4) The weight of other parts on the rotor is not balanced. In this case, it is necessary to carefully check the adjustment balance.
(5) The spindle is bent and deformed. The solution is to straighten or replace.
(6) The bearing clearance exceeds the limit or is damaged. It is generally necessary to replace the new bearing to solve the problem.
(7) The bottom corner fixing nut is not fixed tight or loose during operation. The solution is to tighten.
In order to avoid strong vibration of the pulverizer, it is necessary to install and maintain the pulverizer reasonably, to minimize the occurrence of strong vibration of the pulverizer, to extend the life of the pulverizer, and to make it safer.
(1) Check the installation of the hammer in the assembly. When the hammer is used for the U-turn, in order to prevent the balance of the rotor from losing balance, all the hammers in the pulverizer must be turned around in the same direction, otherwise strong vibration will occur during operation.
(2) The difference between the weights of the two sets of hammers exceeds 5 grams. The method of elimination is to adjust the weight of the hammer so that the difference between the two groups of weights is less than 5 grams.
(3) The individual hammers are stuck too tightly and do not open during operation. After stopping, you can turn it by hand and find a way to make the hammer rotate flexibly.
(4) The weight of other parts on the rotor is not balanced. In this case, it is necessary to carefully check the adjustment balance.
(5) The spindle is bent and deformed. The solution is to straighten or replace.
(6) The bearing clearance exceeds the limit or is damaged. It is generally necessary to replace the new bearing to solve the problem.
(7) The bottom corner fixing nut is not fixed tight or loose during operation. The solution is to tighten.
In order to avoid strong vibration of the pulverizer, it is necessary to install and maintain the pulverizer reasonably, to minimize the occurrence of strong vibration of the pulverizer, to extend the life of the pulverizer, and to make it safer.
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