SKF motor bearing vibration to dismantle install four methods

Vibrating screen is divided into two main types of vibration motor, vertical vibration motor is mainly used on the vibration sieve, horizontal vibration motor can be used in a variety of vibrating screen points on the device, and is one of the main vibrating screen vibrating motor excitation source, its importance cans be imagined. Choose heavy bearing vibration motor, all can support axial load, however, the installation direction of special SKF bearing life is not affected by axial load force. 1, to dismantle the bearing ( 1) Remove the shield at the ends of the vibration motor ( Vertical vibration motor without shield) , record the eccentric block vibration force percentile at work, so that the installation work to restore the original state; ( 2) Use two shaft end shaft collar is removed; ( 3) Unscrew the bolt eccentric block, the eccentric block, shaft key is unloaded shaft key. Unscrew the bolt eccentric block, to unload the eccentric block; ( 4) Bearing pressure bolt, use proper bolt screw into the housing, remove the screw hole, the bearing seat ejection from the chassis; ( 5) Will SKF bearing gland removed from the bearing seat, the bearing from bearing internal pressure or with the appropriate bolt out; ( 6) Such as bearing for inside and outside the separable cylindrical roller bearing, SKF bearing inner sleeve should be removed from the shaft, and in the original bearing coat; ( 7) Thoroughly clean all parts grease. A push, push method with press bearing, work stable and reliable, does not damage the machine and SKF bearing shielding room. Mechanical or hydraulic press with manual push, press push. Note: press the focus should be at the center of the shaft, the partial pressure is not allowed. In general, and second, knock knock on the bearing inner ring, shielding room tapping force should not be added in rolling element bearings and keep on the shelf, this method is simple, but easily damaged bearings, when SKF bearing, at the end of the shaft, use less than the copper rod of bearing inside diameter or other soft metal materials resist shaft end, lower bearing block, hammer knock gently, can be removed. Application of this method should pay attention to the position of the block placed properly, focus should be correct. Third, pulling method adopts special puller, remove, as long as the rotating handle, SKF bearing will be slowly. Remove the bearing outer ring, pull two foot corners should open outward; Remove the bearing inner ring, with both feet should be inward, card on the bearing inner ring end face. Note: 1, should pull the hook hook SKF bearing inner ring, and should not hook on the outer ring, so as to avoid excessive or damage to the bearing looseness; 2, when using the puller, to make the screw on the shaft center hole, not skewed. Should also pay attention to retractor and bearing force, not to hook and bearing damage; 3, pay attention to prevent retractor slippage; 4, bending Angle is less than 90 ° with both feet. Four, thermal method is used to remove the interference fit of SKF bearing. First will be heated to 100 ℃ or so oil in oil pot pouring in to dismantle the bearing, after waiting for bearing ring heat expansion, can be used to pull pull the bearing. Note: 1, first of all, the puller should be installed to dismantle the bearing, and exert a certain tension; 2, before heating, want to use asbestos rope wound or sheet iron shaft, to prevent the shaft is heated swell, otherwise it will be hard to remove, remove the bearing from bearing box shell hole, can only heat the bearing box shell hole, bearing cannot heat; 3, poured oil, shielding room to poured oil can smoothly on the bearing ring or roller, and below the oil basin, collecting flow of hot oil, avoid wasting and burn. 4, the operator of asbestos gloves should be worn to prevent burns.