Mill roll and work roll, bearing management regulations

Mill roll and work roll, 2020 - bearing management regulations 03 - 17 1, rolling mill bearing box installation assembly workers must receive special training, equipped with complete kit. Assembly personnel familiar with installation key points, familiar with all kinds of different bearings manufacturers need to control the amount of lateral clearance. 2, bearing installation space to be clean, neat, impurity contamination can not be brought into the bearing internal. 3, every time a change to check the status of bearing housings, including the rolling element and cage, inside and outside the ring wear and tear on contact surface and make inspection records, serious to wearing away or indifference to inform workshop, factory discontinued. Check found within the bearing lubricating oil deteriorating or impurity bearing disassembled inspections in a timely manner, to replace damaged seal. 4, and 6 months each support roller bearing used for disassembly cleaning, external circle to turn 90 degrees, the steering from Ⅰ - in turn Ⅱ- Ⅲ- Ⅳ, and make detailed records. Clean up the bearings, bearing box inner dirty oil and residue. Inspection on lubricating oil, cooling oil hole hole, internal clean-up with compressed air, to ensure the oil flow. Reassemble the bearing to refuel, to ensure that the bottom of the rolling element bearing a third oil pool, oil with the machine column of oil and gas, oil mist or used by the oil film lubrication is consistent, recorded. 5, work roll bearing seat every three months to clean and dismantling, cleaning bearing, bearing box inner dirty oil and residue. Inspection on lubricating oil, cooling oil hole hole, internal clean-up with compressed air, to ensure the oil flow. Reassemble the bearing to refuel, to ensure that the bottom of the rolling element bearing a third oil pool can product with the machine column of oil and gas, oil mist or used by the oil film lubrication is consistent, recorded. 6, work roller, supporting roller double row bearing installation, be sure to press the DB type installation, according to the type DF installation is prohibited. For a machine with the bearing to the regular inspection and maintenance for the DB when one by one in the form of adjustment. 7, bearing seat at the assembly must have foot all fastening bolts, shall not be missing parts. Disassembly and assembly no directly with hammer and other heavy knock when rolling element and cage and raceway surface, supporting roller bearing the disassembly and assembly bearing must be dumped, banging on the bearing outer ring, individual remove difficult to report the workshop or factory, prohibit private destructive disassembly. Those who cannot use parts must be timely replacement. In and roll assembly lock nut must lock, and fixed with check back bolts or key. For four row circular cone roller bearings after locking the refund & 60 deg; After the bolted. 8, the new replacement bearings must communicate with manufacturer, to determine whether you need inner ring grinding and grinding amount, according to the requirement of grinding. 9, a slider bearing bearing assembly inspection, immediately with oil stone of slider wear fine polishing, prevent sliding wear. Operators check slider on the memorial arch, found a hair phenomenon timely notify the maintenance personnel processing, handling with slider bearing the same. 10, bearing housing assembly is completed, on the book record assembly time, assembly and assembly case number. For bearing outer ring to the same detailed records on the bearing replacement records. 11, bearing must be complete matching use, old and new, cannot mix use, prevent because of the use of different length of time, the wear degree of different bearing damage. 12, the abnormal during production using the bearing seat, recorded and tracked in use. 13, change down bearings and components must be assembled according to the sample, and good dustproof plastic packaging, moistureproof and dry place. The damaged bearings are strictly prohibited to scrap or destroyed, need to report to equipment department to check again after processing. （ Source: web)