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Roller neck bearing maintenance of the general steps and methods
Roller neck bearing maintenance of the general steps and methods: 1), track the location of bearings in the mill and record. Roll neck bearing service record card can be used to record bearing number, roll number, rack number, bearing on the mill position, the outer ring bearing area and rolling product tonnage and bearing working hours and other data. Record card should be updated at any time and facilitate maintenance personnel check the bottom of the blank bearing measurement data can be recorded and other testing details; 2), remove the bearing from the roll stand, bearing removed from the bearing. Whether it is required to remove the bearing from the bearing or bearing inspection require special lifting methods and tools to provide hoisting tools and special lifting suggestions; 3), cleaning the bearings. Remove any flaking, water, residual lubricant, and any other contaminants that could cause severe wear on the bearing during cleaning of the bearings. The cleaning methods and cleaning agents used to clean the bearings are based on the size of the bearings to be cleaned or on the number of bearings, kerosene, mineral oil or other commercial solvents available on small bearings or a small number of bearings. For large bearings or large numbers of bearings, clean the tank with neutral oil with a viscosity of 22 cSt at 40 ° C (or 100 SUS at 100 ° F). 4), check the bearings, including visual inspection and minor repairs. On the outer surface of the inner ring or roller surface where the roller can be disassembled, it is common practice to use a sander to abrade the metal and abrade the edge of the peel surface if small flaws or skin cracks appear. 5), bearing wear should be checked regularly, bearing wear can be assessed by measuring bearing wear; 6), as needed, check and repair bearing seat; 7), the bearing back into the bearing seat; 8), according to Need to inspect and repair roll necks; 9) Mount bearing with bearing on roll.