附件24.4 Experimental date Indoor temperature Major Class Group Name Ad小viso Model Number of experimental device: Substance of laboratory report 1.Description the operating principle of YCY-IB type radial piston pumps and then to explain the structure of the pump and what is the role of the various components. 2.Description the variable characteristic of YCY-IB type radial piston pumps.Do you have understood how to regulate the P-Q characteristic curve of YCY-IB type radial piston pumps: Draw its P-Q characteristic curves and Please specify it. Experiment 4 Performance parameters in hydraulic pump 1.The purpose of the experiment Hydraulic pumps conver mechanical energy into hydraulic energy.They supply fluid to the components in the hydraulic system.Acrossing this experiment,understand the main hydraulic pump performance and test methods and lay the initial foundation for the future design including the selection and the use of hydraulic pump. 2.The experiment contents and experimental program The performance of hydraulic pump experiment Include:the ability to achieve the rated pressure,nominal flow,volumetric efficiency,the value of pressure pulsation (pendulate),Noise,life-span,temperature rising,vibration and so on.The first three are the most important performance We use a single-acting vane hydraulic pump with fixed delivery in this experiment. It's technical indicators(from JB2146-77)is shown at Table 5-1. 附件 24.4 8 Experimental date_._._ Indoor temperature_ Major_ Class _ Group_ Name_ Advisor_ Model Number of experimental device： Substance of laboratory report 1. Description the operating principle of YCY-IB type radial piston pumps and then to explain the structure of the pump and what is the role of the various components. 2、Description the variable characteristic of YCY-IB type radial piston pumps. Do you have understood how to regulate the P-Q characteristic curve of YCY-IB type radial piston pumps; Draw its P-Q characteristic curves and Please specify it. Experiment 4 Performance parameters in hydraulic pump 1. The purpose of the experiment Hydraulic pumps conver mechanical energy into hydraulic energy.They supply fluid to the components in the hydraulic system .Acrossing this experiment, understand the main hydraulic pump performance and test methods and lay the initial foundation for the future design including the selection and the use of hydraulic pump. 2. The experiment contents and experimental program The performance of hydraulic pump experiment Include : the ability to achieve the rated pressure, nominal flow, volumetric efficiency, the value of pressure pulsation （pendulate）, Noise, life-span, temperature rising, vibration and so on . The first three are the most important performance. We use a single-acting vane hydraulic pump with fixed delivery in this experiment. It’s technical indicators ( from JB2146-77) is shown at Table 5-1