色综合亚洲色综合吹潮

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              Company:Jiangsu GaoFengRuiYe Hydraulic Machinery Co.,Ltd

              ADD:NO.2,Yaoyanshang,Chengdong Village,Xueyan Town,Wujin District,Changzhou City,Jiangsu Province,China

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              HOME  >  News  >  Hydraulic fault finding

              Hydraulic fault finding

              19/03/2018

              First, find the hydraulic fault according to the hydraulic system diagram

              In the hydraulic system diagram analysis troubleshooting, the main method is to "grab two" - that is, grasp the power source (hydraulic pump) and the actuator (hydraulic cylinder, hydraulic motor), and then "even the middle", that is, from the power source to the implementation Pipes and control elements passing between components. When “grabbing two ends”, it is necessary to analyze whether the failure occurred in the hydraulic pump, the hydraulic cylinder, and the hydraulic motor itself. “In the middle”, besides paying attention to analyzing whether the fault is on the connected hydraulic components, special attention should be paid to knowing which control method is adopted when the system transfers from one working state to another. Mistakes should be checked against actual objects one by one. Attention should be paid to the mutual interference between each main oil circuit and between the main oil circuit and the control oil circuit. If mutual interference occurs, it is necessary to analyze how to use adjustment errors. Wait.
              Second, use the cause and effect chart to find hydraulic faults
              Using the causality diagram (also known as the fishbone diagram) analysis method to analyze the failures of the hydraulic equipment can not only find out the primary and secondary causes of failure, but also can accumulate experience in troubleshooting.
              Causality analysis is widely used because it can be closely linked with maintenance management and troubleshooting.
              Third, the application of ferromagnetic technology to diagnose and monitor the fault of the hydraulic system
              Iron spectrum technology is based on the wear of the mechanical friction pair. It uses iron spectrometer to separate the wear particles and other contaminant particles from the hydraulic oil, and makes the iron spectrum piece, which is then placed in a ferrography microscope or a scanning electron microscope. Under the observation, or in accordance with the size of the deposition in the glass tube, the application of optical methods for quantitative detection. Through the above analysis, the important information on wear in the system can be accurately obtained. Based on this, the wear phenomenon is further studied, the wear condition is monitored, the fault precursors are diagnosed, and finally the system failure prediction is made.

               
              色综合亚洲色综合吹潮

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