Knowledge of radial clearance of roller bearing accuracy

Bearing ( 轴承) Measurements ( cè liáng) The following error, shall be the tolerance is 10%. General measurement error difference of 10% ~ 33%, and with the improvement of tolerance grade, the greater the proportion of error, that is, the smaller the tolerance, the higher the percentage of error, and the tolerance above IT5 import bearings, it is difficult to reach 10%. Measurement error does not mean test 10% tolerance can relax, but to give certain safety margin, in order to make sure the user according to the standard acceptance. Every procedure of the bearing parts processing, in order to get the bearing size, shape and position precision of the machined surface ( Accuracy) , must adjust machine tool, fixture and tools, any adjustment will inevitably bring certain error. Bearing bearing lubrication method, 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, the purpose of lubrication method. If only consider lubrication and oil lubrication. However, grease lubrication can simplify the structure of bearing the surrounding of the special features, compare the pros and cons of grease lubrication and oil lubrication. Machinery ( 机械) Roller bearing parts in the processing of production ( 生产) Batch and machining accuracy often require different adjustment methods are also different. In the bearing ( 轴承) These phases in the life cycle for maximum service life of the bearing is very important. Bearing the use of clean environment for bearing is very important. Such as cross section thin-walled bearing ring rotation surface and rough surface precision of the rolling element is about 1/10 microns, this smooth surface of the ball if polluted, its influence is very serious. Through the implementation of the correct maintenance and use of appropriate tools, you can significantly extend roller ( 卷) The service life of bearing, improve plant productivity and efficiency. Including temperature, 温度) , noise, vibration and speed of measuring instruments during the period of running, using the basic condition monitoring means tested periodically ( jiǎn cè) The state of the bearing is important, such as temperature, vibration and noise measurement. Regular testing can find potential failure, to help prevent unplanned downtime. Can be arranged, therefore, are in conformity with the production plan of equipment maintenance plan, improve the productivity and efficiency of the factory. Used to adjust bearing ( 轴承) Radial clearance method is as follows: 1, the circular and elliptical bearings ( 轴承壳) The tip clearance, can use manual crapping or situation allows for bearing ( 轴承) The method of split padded ( 方法) Adjustment. 2, more oil wedge tilting type bearing, are not allowed to fix the tile, clearance is improper for tile should be changed. Segment of thickness is adjustable, can be adjusted through behind the tile under the block and stainless steel pads, or thinning amount adjustment method of block thickness tile. Pay attention to much oil wedge tilting type bearing, group between tile thickness error should be less than 0. 01mm。 More than 3, the oil wedge fixed bearing, in principle is not allowed to repair and adjust bearing clearance, clearance is improper new tile should be replaced. 4, for circular and elliptical bearing clearance, can use manual crapping or bearing ( 轴承) Split padded turning after repairing the scraping method to adjust the regular maintenance of roller bearing ( 轴承) Should have the performance of the bolt type curve roller bearing classification ( 分类) Supporting roller bearing structure ( 结构) Category composite roller bearings combined bearing, also called composite roller bearing composite roller bearing structure biaxial core guide - Dual axis high speed guide roller bearing SG series size parameters of the guide roller bearing ( parameter) Specifications ( 规范) Value - - Bearing technology ( 技术) LFR series guide roller bearing table - size parameters - BEARING application technology NINGBO SUNTHAI BEARING F& An article on F: rolling bearing with the next selection skills: needle cage components - Needle roller bearing related technical knowledge