Home>Bearing knowledge>The slewing bearing device needs to grasp six methods

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The slewing bearing device needs to grasp six methods

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1. Before the slewing bearing device; first check the device surface of the main machine; the required support member should have the required strength; the connecting surface should be machined; the appearance is smooth without debris and burrs. The machine can not be machined to reach the required plane Degree; can use special plastic with high writing strength as filler; to ensure the accuracy of the plane of the device and to reduce vibration. The ferrule of the slewing bearing has a hardened soft zone; this has the symbol on the end face of the ferrule. S; the device should be placed in the non-load zone or very normal load zone (the plug hole is always located in the soft belt).
Second, when installing the slewing bearing; should be positioned in the radial direction; insert the tightening device bolt; and check the bearing reversal condition. In order to ensure the bearing transmission is stable; the gear should be meshed before the device bolt is not tightened. When tightening the bolt The pre-tightening force is satisfied; the pre-tightening force should be 70% of the bolt data yield limit. The device bolt should be equipped with a tempering flat washer; the spring washer should not be used. After the device of the slewing bearing is finished; put into operation; After the hour; should check all the pre-tightening torque of the device bolts to meet the demand; in the future, repeat the above-mentioned inspection once every 500 hours.
3. The slewing bearing device should be filled with excess smooth grease at the end; and the bearing should be inverted while filling to make the smooth grease evenly distributed. After the slewing bearing is in operation for a period of time; inevitably, some of the smooth grease will be lost; The slewing bearing should make up for a smooth grease after 50-100 hours per distance. The slewing bearing should work under high temperature environment or dusty working conditions; the cycle of adding smooth grease should be properly shorter. When the machine is to be shut down for storage; It is necessary to fill the smooth grease that is satisfied.
Fourth, the packaging, transportation and storage of the slewing bearing: before the packaging of the slewing bearing, the rust-proof and smooth dual-purpose grease is applied to the inner and outer raceways; then the plastic film is wrapped; the composite kraft paper; and the industrial wrapping tape is wrapped for inner packaging. Use a special wooden box or iron box.
5. The bearing is in the process of transportation; it should be placed horizontally on the vehicle; there should be ways to avoid slipping and avoid oscillation; if necessary, add auxiliary support.
6. The bearing should be placed horizontally in a dry, ventilated and leveled place; it should be separated from chemicals and other corrosive materials during storage. If multiple sets of bearings are required to be stacked, each set should be evenly distributed along the circumference. Place more than three height-flat wooden blocks; and the upper base blocks are placed together. Bearings that need to be continuously stored beyond the rust-proof period should be removed from the head and rust-proofed.

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