液压与气压传动（英汉双语）第2版教学课件作者陈淑梅第9章Chapter_9课件.pptVIP

Chapter 9 Design of Hydraulic Transmission System 9.1 The Approach for Design of Hydrostatic Circuits 9.2 A Design Example of Hydraulic Systems 9.1 The Approach for Design of Hydrostatic systems 9.1.1 Determination of design requirements 9.1.2 Analysis for working conditions and determination of main parameters 9.1.3 Determination of hydraulic system diagram 9.1.4 Calculation and selection of hydraulic components 9.1.5 Performance check for a hydraulic system designed 9.1.6 Drawing of working diagrams and technical documents 9.1.1 Determination of design requirements 9.1.2 Analysis for working conditions and determination of  main parameters (2)Movement parameters analysis Fig.9-2b is a speed-displacement （v-l）curve drawn to express the speed of each actuator in different phases, it is called speed chart. 2) The friction resistance force 2. Determination of main parameters 3. Drawing of working condition chart of the actuators 9.1.3 Determination of hydraulic system diagram 9.1.4 calculation and selection of hydraulic components Tab.9-3 Experiential values of the pressure loss in the inlet oil line 3. Selection of valve arrangements 9.1.5 Performance check for a hydraulic system designed 2. Checking of the temperature rise caused by heat generation 9.1.6 Drawing of working diagrams and technical documents 9.2 A Design Example of Hydraulic Systems 9.2.1 Analysis of working conditions 9.2.2 Determination of main parameters of the actuator 9.2.3 Design of hydraulic systems 9.2.4 Selection of hydraulic components 9.2.5 Performance check for hydraulic systems 9.2.1 Analysis of working conditions 9.2.2 Determination of main parameters of the actuator Then 9.2.3 Design of hydraulic systems 9.2.4 Selection of hydraulic components From the pressure and flow rate calculated above, the PV2R12- 6/26 type pair vane pump can be adopted, The deliveries of the small pump and the large pump are 6mL/r and 26mL/r respectively. 2. Valves and auxiliary ele