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There are two types of vane pumps that can be distinguished according to the structure: pressure-balanced (unloading type) and pressure unbalanced (non-unloading type). Vane pump in accordance with the blade in the pump shaft during each turn in the vane chamber in the number of suction and oil can be divided into single and double-acting, multi-role vane pump. Vane pump general site to use more, due to various factors will cause problems and failures of the machine, if not promptly not only delayed the progress of work will result in damage to the machine. In operation, have you encountered such a big noise problem? Today, specifically for the vane pump noise problem why the following order, if you puzzled, take a look at. What causes vane pump noise? The main cause of vane pump noise due to the following points: 1, the filter is blocked live, can not absorb oil. Solution: Cleaning 2, the pump end seal is worn. Solution: Apply a little butter at the shaft end seal and change the seal immediately if the noise gets smaller. 3, suction side leakage solution: Apply grease in the suction pipe joints, noise reduction should be fastened joints. Or you can directly observe the return port bubble. 4, the pump cover screws loose due to vibration of the machine solution: the method above, coated with butter at the screw connection, if the noise should be reduced to replace the oil seal. 5, pump and motor shaft is not the same solution: adjust to concentric to rule out the problem. 6, rotor blade groove on both sides of its two-point surface is not vertical Solution: replace the rotor can be 7, with the oil pan unloading triangular groove is too short Solution: Use the appropriate file properly modified to reach the previous blade over unload slot After a leaf from the suction chamber. 8, spline groove shaft end hot phenomenon Solution: too tight, appropriate adjustments can be. 9, the pump speed is too high Solution: adjust to the specified speed can be. 10, severe hydraulic oil pollution solution: Remove the filter to see if there is damage or solid adsorbate, after the replacement of oil filters and hydraulic oil. In addition to the above ten points, the pump core pressure valve core wear and low oil level resulting in insufficient oil will also lead to vane pump noise phenomenon. In the process of using regular maintenance and maintenance is essential, timely detection of problems found in time, or wait until the problem has been unable to repair, time-consuming and costly money, not only the noise problem, would rather operate more steps to solve small problems , Take preventive measures. This article is copyrighted industry interconnect (Xiamen) Co., Ltd. All are welcome to reprint, please indicate the source and author of: Asian pump network starting: http: //mf.liuti.cn/ (service hotline:)
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