There is a reason for the strong vibration of the pulverizer in the rural areas. It is common for the hammer-type pulverizer that has been overhauled and installed for the first time to undergo strong vibration in the fuselage during the test run. There are several reasons for this:
(1) The hammer is installed incorrectly in the inspection and assembly. When the hammer piece is turned over, in order to prevent the weight of the rotor from being out of balance, all the hammers in the crusher 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.
(1) The hammer is installed incorrectly in the inspection and assembly. When the hammer piece is turned over, in order to prevent the weight of the rotor from being out of balance, all the hammers in the crusher 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.
PMU is used to produce estrogen and hormone-replacement drugs such as Premarin, PremPro and PremPhase and DUAVEE, a "PremPro-Lite" which contains Premarin. PMU drugs are made by keeping mares constantly pregnant and collecting their estrogen-rich urine. The horses should be in good healthy, age from 4-15 years old, the color should be dark. the horses should be check-up and disinfected during the transportation. The blood taking should be called off immediately when infectious disease is found, any medicine of Penicillin and streptomycin is forbidden to use.
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Jiangxi Institute of Biological Products Inc. , https://www.jxinstitute.com