In order to improve the engineering machinery remanufactured hydraulic motor performance and service life,the impacts of the three critical friction pairs on performance of the hydraulic motor were deeply studied.Adopting hydraulic oil film theory,the friction pair leakage model was established.Through MATLAB simulation analysis,the analysis results show that the leakage of the remanufactured hydraulic motor increases with the increase of the friction pair clearance;at the same time with the same clearance,the plunger pair leak was greater than port pair which leak was greater than sliding boot pair.The three friction pairs clearance reasonable scopes were identified.The experimental verification shows that the friction pair clearances meet the requirements of the remanufacturing.It provides a theoretical basis for hydraulic motor remanufacturing.
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王灿,韩帅帅,李坤,陈理想.工程机械再制造柱塞马达摩擦副泄漏特性研究[J].机床与液压,2018,46(8):83-85. . Study on Leakage Characteristics of Friction Pairs in Construction Machinery Remanufacturing Piston Motor[J]. Machine Tool & Hydraulics,2018,46(8):83-85