How to extend bearing life - — bearing

How to extend the service life of bearing - The extension of industrial bearing life method ( Extend the service life of industrial bearings) : first record the appearance of the bearing, bearing cleaning: when assembling bearings under repair. Confirm the residual stock of lubricant, sampling inspection with lubricant, bearing. Common use gasoline, kerosene as a cleaning agent. Tear open come down to the bearing cleaning, rough washing and fine washing, respectively in the container, put a metal mesh bottom first, make the bearing is not direct contact with dirt from the container. Coarse when cleaning, if to spin bearing with dirt, can damage the bearing rolling surface, should be pay attention to. Coarse clean oil, use a brush to remove grease, adhesive, after clean, roughly into fine cleaning). Fine cleaning, bearing side rotation in the wash oil, while carefully cleaned. In addition, cleaning oil often should insist on cleaning. Check after wash bearing. Examination of raceway surface, rolling surface, cooperate with the abrasion of the state, adhere to the rack, the increase of the bearing clearance and has nothing to do with dimension precision falling damage, bearing maintenance and judgment: in order to judge whether the bearing assembly down can be used. The exception. Non separation of small ball bearings, with one hand will support level, the inner ring spinning confirm whether smooth outer ring. Separation of tapered roller bearings and bearing, rolling body, the outer ring raceway surface can be respectively. Large bearing can't rotate with the hand, pay attention to check the rolling element and raceway surface, adhere to the rack, guard surface appearance, such as the importance of bearing high must check carefully. To prevent burning stick, whose lubrication utility below bearing lubrication rolling bearing lubrication purpose the purpose of reduce internal friction bearings and friction losses.> 1 to prevent metal contact, reduce friction and friction losses. Constitute a bearing ring, rolling body and the mutual contact local retainer. Reduce the friction and wear. 2 rotating, extend the fatigue life. The fatigue life of rolling bearings. Good lubrication performance of the rolling contact surface, the extended. On the contrary, the oil viscosity is low, the thickness of lube film is not good, is shortened. 3 or by external heat from the friction heat and cooling. Cycle to oil method can oil discharge heat by friction. Cooling. To prevent hotbox, prevent aging oil itself. The effect of 4 or prevent rust and corrosion. Methods: lubricating bearing lubrication method, the other also has to prevent foreign matter into the bearing internal. Divided into grease lubrication and oil lubrication. In order to make the bearing function well, first of all, to choose suitable for conditions of use, use lubrication method. If only consider lubrication and oil lubrication. But there are grease lubrication can simplify the structure of bearing around specialty, will be the pros and cons of grease lubrication and oil lubrication. Affects the accuracy and life, performance, therefore, bearing device: bearing device is correct. Design and assembly department for bearing device to fully research. Hope to work in accordance with the specification of device. Job specification project usually is as follows: 1 cleaning bearing and the bearing connection parts; 2 check the dimensions of the interrelated parts and finishing; 3 device; 4 device after good bearing inspection; 5 supply lubricant. Just general grease lubrication bearing box is opened, in the hope that in the device before. Not cleaning, filling grease directly. Lubricating oil, ordinary also don't have to clean, but the instrument using or high speed bearings, etc. , to be washed with clean oil, remove rust inhibitor) on the bearing. Remove the rust inhibitor of bearing, easy to rust, so cannot be placed. Also, has the bearing grease sealed, not directly use cleaning. Because of bearing structure, cooperate, conditions vary, bearing unit method. In general, as more as the axis of rotation, so the inner ring need interference fit. Cylindrical hole bearing, multi-purpose press pressure into, or multi-purpose hot charging method. Taper hole, device on the taper shaft directly, or use the socket installation. Clearance fit more commonly, device to the shell. Outer ring had surplus quantity, usually with the pressure into the press and or have cooled after the installation of the shrink fit method. Use dry ice as coolant, shrink fit place for installation, the moisture in the air condenses in bearing appearance. So, need a good rust prevention measures. Should pay attention to the care and maintenance of industrial bearing arrangement should pay attention to industrial bearings in order to prevent accident, in order to prolong the service life of bearing. To ensure the reliability of the operation and improve the productivity and economy. Enjoy the best conditions of mechanical operation of the corresponding operation specification, on a regular basis. Content includes monitor running status, supplement or replacement of lubricants, assembly check regularly. As maintenance issues in the operation, have bearing the rotation of the sound, vibration, temperature, the state of the lubricants and so on. 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