Rolling mill bearing before installation simple measurement

Rolling mill bearing simple measuring 2019 - before installation 07 - 24 mill bearing in rolling mill roll system as the important component, its operation status directly affects the quality of rolled products, while bearing its own clearance size, surface shape tolerance of size tolerance and fitting directly affects the stand or fall of its operation. So it is necessary for bearing before installation and related parts and appearance size measurement. In the author field assembly has recorded a little elder brother before installation of bearing measurement process and record. Before the measurement first placed bearing in a place easy to measure, do a highly recommend appropriate measuring platform, so the next step work. 1. Visual check to see if the bearing surface is bright and clean, to check whether there is the existence of defects on each bearing parts, such as improper transportation indentation, scratch, rust, etc. ; For riveting type cage, to determine whether the connection is reliable, riveting head whether interference with the inner and outer circle; Bearing have discoloration phenomenon caused by heat treatment. 2. Hands touch the bearing of various parts and components, mainly determine the chamfer in the existence of burr or sharp corners, but also can be roughly estimated the size of the surface roughness. 3. Hand to walking in outer ring, rotate the inner ring, whether bearing rotation is smooth, if there is a sound or caton, cage and roller clearance is too large, rolling body relative to the outer ring is sagging. 4. According to the bearing manufacturers to provide bearing drawing measurement bearing the size. Measuring clearance generally use feeler, simple and convenient; Inside diameter measurement using outside micrometer, the width of height can be measured in feet or vernier caliper measurement. Each size measurement is 2 ~ 3 times, so as to ensure the correctness of the measurement. 5. Record, the measured data of the number of roller, diameter, length, width of cage, bearing number and installation time. 6. Analysis according to the installation location of records bearing, off the plane on time, to analyze out the most appropriate structure, installation and use the feedback for bearing manufacturers negotiate varied, maximum limit satisfy the use of the site. （ Source: rolling mill bearing)