Fluorine centrifugal pump can be divided into two types of rolling bearings and plain bearings, then for one of the sliding bearings, in the daily routine, how to repair it? For the technical standards for plain bearings, With everyone's understanding? With these questions, then we introduce for you lined fluorine centrifugal pump bearing maintenance methods and technical standards. Lining fluoride centrifugal pump bearing repair methods and technical standards 1, for the radial thick-walled ①using pressure lead method, lift the shaft method or other methods to measure the bearing clearance and the amount of interference, the axial clearance meet the requirements, Earnings should be 0 ~ 0.02mm. ② check the various components, there should be no damage and cracks, bushings should be no flaking, pores, cracks, grooves and partial wear burn situation. ③ bearing bush contact with the color inspection method, check the angle should be no 60 ° ~ 90 ° (speed above 1000r / min take-off limit, speed less than 1000r / min to take the upper limit). In the contact area requires uniform contact, each square centimeter should have 2 to 4 contact points, if the contact is poor, you must scratch research. ④ clean bearing box, the hole smooth, no cracks, leakage phenomenon. ⑤ tile back and bearing housings should be closely fit, with coloring inspection, the contact area of ​​not less than 50. 2, for the radial thin-walled ①bearing alloy layer and tile should be firmly and tightly bonded, no delamination, shelling phenomenon. The surface of the alloy layer and the facets of the two half-shingles should be smooth and flat, and do not allow cracks, pores, heavy skins, slag inclusions and bumps. ② tile back and bearing seat hole surface should be close and uniform fit, check with the coloring method, the inner diameter of less than 180mm, the contact area of ​​not less than 85, the inner diameter greater than or equal to 180mm, the contact area of ​​not less than 70. ③ bearings and journal with the gap and contact conditions are guaranteed by the machining accuracy, the contact area generally does not allow scraping, uneven contact along the axial direction, can be slightly modified. ④ After assembly, the surface of the divider with 0.02mm feeler inspection, should not be inserted as qualified. 3, For thrust bearing ①The bearings should be free of wear, deformation, cracks, scratches, delamination, rolling and burn defects; contact with the thrust plate should be printed on the same impression, the contact area should not be less than 70 and the whole circumference of the tile Block uniform; the same group of pad thickness difference should not be greater than 0.01mm, tile Babbitt should be rounded in accordance with the direction of rotation into the wedge to facilitate the entry of lubricating oil; back bearing surface smooth. ② adjust the gasket should be smooth, flat, not bending, with a thickness difference of not more than 0.01mm layer gasket. ③ After the assembly of the bearing cap repeatedly push the shaft method to measure thrust bearing clearance, the value should be within the required range. The thrust bearing clearance measured by this method and measured by the shaft displacement probe must be the same, and adjust the indicated zero of the displacement probe as required. ④ bearing shell horizontal joint surface tight, good bit. Oil temperature measuring oil hole and tile cover eye alignment, not skewed. Oil hole clean and smooth. Extended reading: China Construction Water Exhibition water pump manufacturers rankings ptc exhibition motor top ten brands pump valve pipe fittings Show Information Industry Internet (Xiamen) Technology Co., Ltd. Asia Pump Network Editor: He Duanhui (QQ / WeChat:) http: // mj .liuti.cn / (Service Hotline:)
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