For our favorite stylemakers bearing 'fever'? - bearing knowledge

Production often in case of rolling bearing 'fever' is not clear if the cause analysis, processing measures are not timely, inappropriate and tend to be wasted effort, even can cause bearing burn out malignant accidents, reducer gear, etc. Improper lubrication bearing fever 1 congenital deficiencies and bearing lubrication design 2, lubricating oil pipe blocked by foreign body. 3, lubricating oil, Fat) Spoiled or refueling 4 not in time, dirty jams lubrication pipe cooler, the cooling effect of variation due to improper installation of bearing heating enough 1, the design of expansion caused by bearing fever caused by 2, installation skew bearing fever 3, bearing itself caused by improper assembly fever caused by 4, coupling is bad for the rotor imbalance some rotor bearing heating or failure in the process of running due to medium corrosion or wear and tear of solid impurities, or bent shaft, will lead to unbalanced centrifugal force, so that the bearing heating, vibration, roll the serious wear and tear, until the destruction. This mill system within the circulation fan is particularly important. More serious due to the impeller wear, wear after the rotor balance is poorer, blower vibration is larger, often can cause bearing failure in advance. Check the replacement bearing such as found serious fatigue spalling, not in time of oxidation corrosion, wear pit, crack, reduced to HRC< hardness; 60, or have too much noise can't adjust, should be replaced in a timely manner. If check, change not in time, can cause bearing fever, different sound, vibration, and so on and so forth, and even the rotor of serious damage, thus affecting the normal production. In addition, improper bearing removal, the equipment anchor bolt loosening caused by vibration, can also lead to bearing raceway and rolling body produce indentation, cracking of bearing inner and outer ring. Bearing during operation, should be checked periodically according to specifications. Bearing quality bad rolling bearing parts in the form of point contact and line contact, long-term work under the high alternating contact stress. The accuracy, life and reliability of the host to a large extent depends on the bearing. Both plain bearing and special bearing, the host of the life, performance and reliability are put forward high request. So must pay attention to in the bearing part purchase acceptance inspection, the first to adopt formal name brand manufacturers products, key parts adopt imported bearing, even such as SKF bearings, NSK bearings, FAG TIMKEN bearings at bearings. Special design, special parts such as roller press and slow roller bearing. Bearing the improper selection of the bearing should be paid attention to when choosing bearing limit speed, load capacity, super speed, over usage. Conclusion control operation and on-site inspection personnel for equipment bearing temperature anomalies should cause enough vigilance, it is the early signal bearing and equipment malfunction, if handled lag, improper method, will make the condition worsens, cause serious accident. Therefore equipment operation and maintenance personnel should pay attention to the observation of bearing temperature curve and alarm information, and combining with the vibration monitoring, especially pay attention to find the real reason for bearing a fever, can eliminate equipment hidden dangers.