Syllabus - Hydraulic and Pneumatics Engineering (IP-603 (B))

Industrial Production Engineering

Hydraulic and Pneumatics Engineering (IP-603 (B))

VI-Semester

Introduction to Hydraulic Power

Introduction to Hydraulic Power and hydraulic system, advantages, limitations, applications, Pascal's law, structure of hydraulic control system, problems on Pascal's law.

The source of Hydraulic Power

Pumps, Classification of pumps, Pumping theory of positive displacement pumps, construction and working of Gear pumps, Vane pumps, Piston pumps, fixed and variable displacement pumps, Pump performance characteristics, Selection factors, problems.

Hydraulic Actuators and Motors

Classification of cylinder and hydraulic motors, Linear Hydraulic Actuators [cylinders], single and double acting cylinder, Mechanics of Hydraulic Cylinder Loading, mounting arrangements, cushioning, special types of cylinders, problems, construction and working of rotary actuators such as gear, vane, piston motors, Hydraulic Motor Torque, Power and Flow Rate, Performance, problems, symbolic representation of hydraulic actuators (cylinders and motors).

Control Components in Hydraulic Systems

Classification of control valves, Directional Control Valves, constructional features of poppet, sliding spool, rotary type valves solenoid and pilot operated DCV, shuttle valve, check valves, Pressure control valves - types, direct and pilot operated types. Flow Control Valves -compensated and non-compensated FCV, needle valve, temperature compensated, pressure compensated, pressure and temperature compensated FCV, symbolic representation.

Hydraulic Circuit Design And Analysis

Control of Single and Double -Acting Hydraulic Cylinder, Regenerative circuit, Pump Unloading Circuit, Double Pump Hydraulic System, Counter balance Valve Application, Hydraulic Cylinder Sequencing Circuits, Automatic cylinder reciprocating system, Locked Cylinder using Pilot check Valve, Cylinder synchronizing circuit using different methods, factors affecting synchronization, Hydraulic circuit for force multiplication, Speed Control of Hydraulic Cylinder and Motors, Safety circuit, Accumulators, types, construction and applications with circuits.

Introduction to Pneumatic Control and Actuators

Introduction to Pneumatic Control and system, advantages, limitations, applications, Choice of working medium. Characteristic of compressed air. Structure of Pneumatic control System, fluid conditioners and FRL unit.

Pneumatic Actuators

Linear cylinder - Types, Conventional type of cylinder- working, End position cushioning, seals, mounting arrangements- Applications. Rod - Less cylinders types, working, advantages, Rotary cylinders- types construction and application, symbols.

Pneumatic Control Valves Signal Processing Elements

Pneumatic Control Valves: DCV such as poppet, spool, suspended seat type slide valve, pressure control valves, flow control valves, types and construction, use of memory valve, Quick exhaust valve, time delay valve, shuttle valve, twin pressure valve. Simple Pneumatic Control: Direct and indirect actuation pneumatic cylinders, speed control of cylinders - supply and Exhaust air throttling. Signal Processing Elements: Use of Logic gates - OR and AND gates in pneumatic applications. Practical Examples involving the use of logic gates, Pressure dependent controls- types - construction - applications, Time dependent controls principle, Construction, practical applications.Multi- Cylinder Application,Electro- Pneumatic Control of Compressed Air.

Course Objective

Introduction to Hydraulic Power and hydraulic system, advantages, limitations, applications, Pascal's law, structure of hydraulic control system, problems on Pascal's law. The source of Hydraulic Power: Pumps, Classification of pumps, Pumping theory of positive displacement pumps, construction and working of Gear pumps, Vane pumps, Piston pumps, fixed and variable displacement pumps, Pump performance characteristics, Selection factors, problems. Hydraulic Actuators and Motors: Classification of cylinder and hydraulic motors, Linear Hydraulic Actuators [cylinders], single and double acting cylinder, Mechanics of Hydraulic Cylinder Loading, mounting arrangements, cushioning, special types of cylinders, problems, construction and working of rotary actuators such as gear, vane, piston motors, Hydraulic Motor Torque, Power and Flow Rate, Performance, problems, symbolic representation of hydraulic actuators (cylinders and motors).

Course Outcome

Control Components in Hydraulic Systems: Classification of control valves, Directional Control Valves, constructional features of poppet, sliding spool, rotary type valves solenoid and pilot operated DCV, shuttle valve, check valves, Pressure control valves - types, direct and pilot operated types. Flow Control Valves -compensated and non-compensated FCV, needle valve, temperature compensated, pressure compensated, pressure and temperature compensated FCV, symbolic representation. Hydraulic Circuit Design And Analysis: Control of Single and Double -Acting Hydraulic Cylinder, Regenerative circuit, Pump Unloading Circuit, Double Pump Hydraulic System, Counter balance Valve Application, Hydraulic Cylinder Sequencing Circuits, Automatic cylinder reciprocating system, Locked Cylinder using Pilot check Valve, Cylinder synchronizing circuit using different methods, factors affecting synchronization, Hydraulic circuit for force multiplication, Speed Control of Hydraulic Cylinder and Motors, Safety circuit, Accumulators, types, construction and applications with circuits. Introduction to Pneumatic Control and Actuators: Introduction to Pneumatic Control and system, advantages, limitations, applications, Choice of working medium. Characteristic of compressed air. Structure of Pneumatic control System, fluid conditioners and FRL unit. Pneumatic Actuators: Linear cylinder - Types, Conventional type of cylinder- working, End position cushioning, seals, mounting arrangements- Applications. Rod - Less cylinders types, working, advantages, Rotary cylinders- types construction and application, symbols. Pneumatic Control Valves Signal Processing Elements: Pneumatic Control Valves: DCV such as poppet, spool, suspended seat type slide valve, pressure control valves, flow control valves, types and construction, use of memory valve, Quick exhaust valve, time delay valve, shuttle valve, twin pressure valve. Simple Pneumatic Control: Direct and indirect actuation pneumatic cylinders, speed control of cylinders - supply and Exhaust air throttling. Signal Processing Elements: Use of Logic gates - OR and AND gates in pneumatic applications. Practical Examples involving the use of logic gates, Pressure dependent controls- types - construction - applications, Time dependent controls principle, Construction, practical applications.Multi- Cylinder Application,Electro- Pneumatic Control of Compressed Air.

Practicals

Reference Books

  • Industrial Hydraulics by John Pippenger and Tyler Hicks, McGraw Hill.

  • Fluid Power: Generation, Transmission and Control, Jagadeesha T., Thammaiah Gowda, Fluid Power with Applications by Anthony Esposito, Pearson. Wiley.

  • The Analysis & Design of Pneumatic Systems by B. W. Anderson, John Wiley.

  • Hydraulic and Pneumatic Controls: Understanding made Easy, K.ShanmugaSundaram, Control of Fluid Power Analysis and Design by Mc Clay Donaldson, Ellis Horwood Ltd. S.Chand& Co Book publishers, New Delhi, 2006 (Reprint 2009)

  • Basic Pneumatic Systems, Principle and Maintenance by S R Majumdar, McGraw-Hill.

  • Basic fluid power Dudley, A. Pease and John J. Pippenger, , Prentice Hall, 1987