At present, the most widely used high-speed spindle bearings or hybrid ceramic ball bearings, that is, the use of hot-pressed or hot isostatic pressing Si3N4 ceramic ball, bearing rings are still steel. The bearing has the advantages of high standardization, low price, small change to machine tools, easy maintenance, and is especially suitable for high-speed operation. Its D N value is over 2.7 × 106. In order to increase the service life of bearings, can increase the wear resistance of the raceway, the raceway coating or other surface treatment. There is no certain order, rules, priority should be given to the bearing requirements, performance, the most relevant matters, especially practical. Rolling bearing is a precision component, its use must be carried out with due care. No matter how high-performance bearings are used, they will not achieve the desired high performance if used improperly. The points for attention concerning the use of bearings are as follows. A. Keep the bearing and surrounding area clean. Even small particles of dust, invisible to the eye, can have a bad effect on bearings. Therefore, to keep the surrounding clean, so that the dust does not invade the bearing. B. Use with care and caution. In the use of a strong impact to the bearing, there will be scars and indentation, as the cause of the accident. In serious cases, it will crack and break, so we must pay attention to it. C. Use the appropriate operating tools. Avoid replacing them with existing tools and use the right tools. D. Pay attention to the corrosion of bearings. When operating bearings, the sweat on your hands can be a cause of rust. To pay attention to the use of clean hands, it is best to put on gloves. In order to maintain the original performance of the bearing in good condition for as long as possible, it is necessary to maintain, overhaul, in order to prevent accidents in advance, to ensure the reliability of operation, to improve productivity and economy.
Post time: Nov-24-2021