How to clean the motor shaft - bearing knowledge

Motor is in commonly used after 2000 hours should be cleaning and refueling. Bearing cleaning method has the following two kinds: one, hot oil cleaning method due to the use of long, soft dry oil or rust cream hardening bearing, should dip in 100 - 200 ℃ in hot oil, clamp bearing with forceps, brush with wool clean oil bearing. Soft dry oil or rust creams are heated to 100 - 200 ℃ will melt, it is easy to flush out from a crack in the bearing. Sometimes as long as bearing repeatedly shaking in the oil. The oil into crevices from. In cleaning the old motor or import the centripetal spherical bearing of the motor, you should put the ball, pearl frame transverse transfer from the outer ring, internal ring into hot oil, again after a short cylindrical roller bearing when cleaning roller, beads, also should be the inner ring and outer ring off. In the hot oil when cleaning, the oil temperature should not exceed 20 ℃. If use flame directly heating, should pay attention to prevent the oil burning, bearing to hang in the pan, sink will cause overheating and reduce hardness. Second, a cleaning method of the bearing in the kerosene soak 5 - 10 minutes, squeeze the inner ring with one hand, another hand turn the outer ring, bearing on the dry oil or rust cream will fall down. Then put the bearing into the cleaner in kerosene, with soft hair brush to wash, the ball and the gap in the wash oil, put them in gasoline cleaning, put out with clean paper. Centripetal spherical ball bearing and short cylindrical roller bearing when cleaning should be ball, pearl, the inner ring and outer ring off to clean. Mounted on the shaft bearing cleaning, relied on pour oil or oil gun spraying method, easy to wash off the oil with kerosene after first use gasoline; Difficult to clean off the oil, with 100 - 200 ℃ hot oil leaching or oil gun spraying, and then clean with gasoline. It is important to note that don't use a sharp tool to scrape: bearing oil dirties or corrosion of hard, in order to avoid damage to the bearings and roller slot ring parts of the finish and clean the bearing with a clean dry cloth.