A common problem analysis bearing

Project after its running surface stripping phenomenon reason measures show obvious convex concave shape & # 8226; • Overload improper use & # 8226; Bad installation & # 8226; Axis or precision bearing box & # 8226; • Clearance is too small & # 8226; Foreign body into the & # 8226; • Rust & # 8226; Abnormal high temperature hardness drop caused by the & # 8226; To study using conditions & # 8226; To select bearing & # 8226; Reconsider the clearance & # 8226; • Check the shaft and bearing box processing precision & # 8226; Research around the bearing design & # 8226; • Check the installation method of & # 8226; Check the lubricant and lubricating bearing heating method burns becomes angry, and then burn can't rotate the & # 8226; Clearance is too small ( Including the deformation part clearance is too small) • Insufficient or improper lubricant lubrication & # 8226; • The load is too large ( Preloading is too big) • Skew roller & # 8226; Set appropriate clearance ( Increase the clearance) • Check the lubricant types to ensure injection & # 8226; Check the conditions of use & # 8226; • To prevent the positioning error & # 8226; Check the bearing design around ( Including bearing heat) • Improve the bearing assembly method of crack defect part of the gap and crack & # 8226; Excessive impact load & # 8226; Too much interference & # 8226; Have larger stripping & # 8226; • Friction crack & # 8226; Installing lateral accuracy is bad ( Round the corner too • Use the bad ( Copper hammer, card into the big foreign body) • Check the conditions of use & # 8226; Set the appropriate interference and check the material & # 8226; To improve the installation and usage & # 8226; • Prevent crack friction ( Check the lubricant) • Check the bearing cage around design worn rivets loose or fractured cage broken & # 8226; Excessive torque load & # 8226; High speed or speed change frequently & # 8226; Bad lubrication & # 8226; • Card into the foreign body & # 8226; Vibration & # 8226; • Install the bad ( Installation tilt condition) • Abnormal temperature rise ( Resin cage) • Check the conditions of use & # 8226; Check the lubrication conditions & # 8226; To study the choice of the cage & # 8226; • Pay attention to the bearing use & # 8226; Of shaft and bearing box rigid scratch card surface is rough, with tiny soluble apply the end of the ring gear edge and roller scratch injury called card & # 8226; Bad lubrication & # 8226; Foreign body into the & # 8226; Tilt bearing roller deflection caused by the & # 8226; • Axial load caused by the big guard broken oil & # 8226; Rough surface with large & # 8226; • Sliding roller & # 8226; Then research lubricant, lubrication methods & # 8226; Check the conditions of use & # 8226; Set appropriate preloading & # 8226; • Improved sealing performance & # 8226; Part or all of normal use bearing rust corrosion rust pitch roller shaped rust & # 8226; Bad condition of keeping the & # 8226; Improper packing & # 8226; Lack of rust preventive & # 8226; • Such as moisture, acid solution & # 8226; Bearing directly with the hand & # 8226; Prevent rust in custody & # 8226; Improved sealing performance & # 8226; Regularly check the oil & # 8226; • Note bearing use mating surface produce red rust abrasive wear powder & # 8226; Interference quantity is not enough & # 8226; Bearing shake Angle of small & # 8226; Insufficient lubrication ( Or no lubrication state) • • The stability of the load & # 8226; Vibration in transportation & # 8226; Check interference and lubricant coating status & # 8226; Transportation separately on inner and outer packing, we don't separate is exerted pressure & # 8226; To select lubricant & # 8226; • To select bearing wear surface wear, the change of size, accompanied by gall, grinding marks & # 8226; Lubricant blending into the foreign body in the & # 8226; Bad lubrication & # 8226; Skew roller & # 8226; Check the lubricant and lubricating method & # 8226; Improved sealing performance & # 8226; Prevent the positioning error electric erosion rolling surface shape pit of the crater, the further development of the wave plate & # 8226; Rolling surface electric & # 8226; Make current bypass valve & # 8226; By bearing internal insulation measures are taken to avoid current indentation card into the solid foreign body bruised, or the impact surface pits and install yes scratch & # 8226; Solid foreign invade the & # 8226; Card into the stripping piece & # 8226; Install adverse impact caused by the loss & # 8226; • In the condition of inclined installation & # 8226; Improve the installation, use method & # 8226; To prevent foreign matter into the & # 8226; If caused by metal pieces, the other parts are required to check creep inside or outside the skid, mirror or discoloration, sometimes stuck & # 8226; With enough interference & # 8226; Sleeve tighten enough & # 8226; Abnormal temperature rise of & # 8226; • Excessive load & # 8226; To study the interference quantity & # 8226; The conditions of use & # 8226; Check the shaft and bearing box precision