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> Company NewsDust fan bearing operating temperature is too high to answer
2017-12-18
Dust system fan bearing temperature is too high doubt is a classic question. Dust
removal system fan bearing selection of grease smooth, from the
beginning of the existence of the existence of the temperature is too
high, up to about 110 ° C, the touch is hot, the first with a smooth
grease for smooth hydraulic dedicated Oil-free
bushing, because the temperature is too high, the phenomenon of oil
liquefaction, the formation of bearing burnout, frequent replacement of
bearings; After a period of time, equipment for active negotiation
personnel, the scene confirmed, suspected oil doubt, after the market
lubricants Selection,
the resolution selection Esso HT2 high temperature grease, the
thickener is bentonite, attributed to non-soap high-temperature grease,
has excellent heat resistance, the fan bearings will be written in
smooth, the results of the basic treatment of the bearing burn out And oil liquefaction doubt, but the fan bearing temperature remains high. Facts have proved that there is no thorough treatment of the existing problems. In
the annual dust removal system equipment repair process, to find the
true cause of the bearing abnormal fever, but also arranged for the
repair staff to open the bearing inspection and found that the bearing
grease filled bearing cavity, the cavity of the body fat properly plump,
consider To
grease almost no heat dissipation characteristics, on-site consultation
doubt whether the bearing is filled with smooth grease too much, so to
completely clear the bearing inner grease old self-lubricating steel
sleeve, the new addition of the original two-thirds Smooth grease, leaving the fan bearing cavity must have a smooth gap. The test machine to see the bearing temperature has dropped significantly, reaching about 70 ° C. Next
consulted to know Esso HT2 high temperature grease is suitable for high
temperature applications, but not for the high speed of the conflict,
in view of the fan load, Hunan Jintai Hardware and Machinery Co., Ltd.
Esso BEACON EP2 extreme pressure lithium Grease
2 replaced Esso HT2 high temperature grease, the bearing temperature is
further reduced, the current dust removal system fan bearing normal
operating temperature of about 50-60 ° C, the temperature has been
thoroughly dealt with the problem of over-temperature.