一、填空题、 1、YT4543型动力滑台液压系统采用和组成的 调速回路:用实 现快速运动;用实现快进和工进的速度切换。 2、YT4543型动力滑台液压系统中,液控顺序阀的作用 单向阀的作用是

1.1可编程序控制器的由来 可编程序控制器( Programmable Controller)简称为PC 可编程序逻辑控制器( Programmable Logic Cntroller) 简称为PLC

5.1 异步电动机变压调速电路 5.2 异步电动机变压调速时的机械特性 5.3 闭环控制的变压调速系统及其静特性

1.1 Study on Hydraulic and Pneumatic Transmission 1.2 Operating Principles of Hydraulic Transmission 1.3 Composing of Hydraulic Transmission System 1.4 Features of Hydraulic and Pneumatic Transmission 1.5 The Development History and Applications of Hydraulic and Pneumatic Technology

5.1 Introduction 5.2 Directional Control Valves 5.3 Pressure Operated Valves 5.4 Flow Control Valves 5.5 Manifold Valves and Cartridge Valves 5.6 Electro-Hydraulic Servo Valves 5.7 Electro-Hydraulic Proportional Valves 5.8 Electro-Hydraulic Digital Valves

8.1 Hydraulic System of Power-slipway of Combined Machines Tools 8.2 Hydraulic System of Plastic Injection Moulding Machine 8.3 Hydraulic System of YA32-200 Type Four-column Universal Press Machine 8.4 Hydraulic System of Manipulators

9.1 The Approach for Design of Hydrostatic Circuits 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 9.2 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