Install the items need to be aware of when using imported bearings

Note that should be paid attention to when using imported bearings mainly include four aspects, in order to make better operation of bearing, the following yiyi and introduced in detail. 1, the choice of the shaft and bearing tolerance and control into the bearing bearing pressure should be flexible rotation without blocking. If there are any obvious rotation is not flexible, indicates the size of the shaft is too big, tolerance to downgrade. Such as bearing pressure into the shaft by hand after the rotation has obvious 'sasha vujacic' feeling, may be the shaft or shaft roundness tolerance is too big. So in good control of shaft and bearing also want to control the roundness tolerance. 2, bearing assembly way for imported bearing is high precision products, such as improper assembly is easy to cause damage to bearing channel, result in bearing damage. When bearing assembly shall have a dedicated mold, not casually, only small circle of stress when pressure into the shaft, pressure can force the circle circle. Require the use of pneumatic or hydraulic assembly, touched up and down when pressed to outside the state level, such as with sloping channel by mechanical damage can lead to bearing, guide ring and the bearing. 3, foreign material to prevent bearing assembly when loaded on the rotor to do dynamic balance will be generated when the dynamic balance of iron into easily import bearings inside, so it is best to install bearing before do dynamic balance. There are some manufacturers in order to convenient assembly, assembly in bearing indoor coated with some oil or grease lubrication effect, but usually operators good amount of it is hard to control, if oil or grease in the bearing interior storing up more, in the bearing rotates along axis to the bearing inside easily. Bearing is best not to apply oil or grease, if must apply to control shall not be storing up in bearing interior. 4, paint, rust preventive rust paint is characterized by multiple in sealing type motor, the motor sound is very good, when it is assembled but put some time in the warehouse, the motor sound is very big, remove the bearing has serious rust phenomenon. Before many manufacturer will think is a problem of bearing, motor factory now have realized mainly is a question of insulating paint, varnish comes out of the problem is mainly due to acid corrosion formed under certain temperature and humidity of material, the bearing channel after corrosion result in bearing damage. The problem now is only to choose good insulating paint, after drying and ventilation assembly after a period of time. Bearing's life closely related to manufacturing, assembly, use, and must be made at each link only pay attention to these matters needing attention in the use of imported bearing, to make the bearing is in optimum operation state, so as to prolong the service life of bearing. In order to be able to ensure that the bearing has been in a good condition, regular maintenance overhaul is necessary, so as to prevent accident and what shall, enhances the enterprise the production efficiency, cost savings. Here want to be engaged in the professional maintenance of the bearing, and must have the standard system operation process, including running state, lubricant, remove regularly, noise, temperature, and so on a series of tests. The use of bearing specification, has been to end bearing life. Situation is relatively small, are generally in operation process for various reasons caused damage to bearing, serious directly to bearing damaged, reason for causing these installation and use, lubrication, the three aspects of common have imported bearing ring gear had caused by injury, the main reason is the insufficient lubrication or a foreign body. Must first rule out the cause of the accident to solve these problems, combined with the environment, site, structure, and so on several aspects to inspect a similar accident happening again, bring unnecessary trouble.