AM4013 Hydraulic and Pneumatic Systems Syllabus:

AM4013 Hydraulic and Pneumatic Systems Syllabus – Anna University PG Syllabus Regulation 2021

OBJECTIVES:

 To understand the basics of hydraulic and pneumatic systems
 To examine the working of hydraulic power drives
 To apply knowledge on fluid power elements
 To design hydraulic and pneumatic systems.
 To evaluate the concept of programming in PLC circuits.

UNIT I INTRODUCTION

Introduction to Fluid Power – History of Fluid Power -Properties – hydraulic fluids and air. Hydraulic fluids, types, factors affecting oil performance, governing principles and laws Brahma Press- distribution of fluid power- selection, power unit. Selection of pipe /tubing, couplings. Packing and seals, packing standards. Comparison between pneumatic and hydraulic system. energy losses in hydraulic systems- Symbols of pneumatic and hydraulic elements.

UNIT II PNEUMATIC SYSTEMS

Basic requirement. Elements of pneumatics, preparation of compressed air. cooling and drying of compressed air. conditioning and distribution of compressed air. pneumatics actuators constructional details of air compressors, types, Air motors, control valves, actuators and mountings, filter, lubricator, regulator. General approach of system design, travel step diagram. Types – sequence control, cascade, step counter method. K.V.Mapping and minimization of logic equation.- Simple circuits.

UNIT III HYDRAULIC SYSTEMS

Cylinder, Pumps Gear , vane , piston type and motors – types, characteristics., construction details. Valves for control of direction, flow and pressure – types and construction details. Power pack– elements and design. Pipes- material, pipe fittings. seals and packing. accessories used in fluid power systems – Accumulators Maintenance of hydraulic systems. Selection criteria for cylinders, valves, pipes.

UNIT IV SERVO AND PLC SYSTEMS

Electro pneumatics, ladder diagram for Basic Logic gates Servo and Proportional valves – types, operation, application. Hydro-Mechanical servo systems. PLC-construction, types, operation, programming. Comparison of PLC system over Relay Logic.

UNIT V AUTOMOTIVE APPLICATIONS

Hydraulic tipping mechanism, power steering, fort lift hydraulic gear, hydro-pneumatic suspension, air brake, Fluid Coupling and Torque converter Maintenance and trouble shooting. Design and analysis of a hydraulic /Pneumatic system-Case Study

TOTAL : 45 PERIODS

OUTCOMES:

 Understand the basics of hydraulic and pneumatic systems
 Examine the working of hydraulic power drives
 Apply knowledge on fluid power elements
 Design hydraulic and pneumatic systems.
 Evaluate the concept of programming in PLC circuits.

REFERENCES:

1. Anthony Espisito, “ Fluid Power with Application”, Pearson Education (Singapore) Pte.Ltd, Delhi, India, Fifth Edition, First Indian Reprint, 2003
2. Werner Deppert and Kurt Stoll, “Pneumatic Controls : An introduction to principles“, Vogel-Druck Wurzburg, Germany, 1975
3. Pippenger, J.J, “Industrial Hydraulic & Pneumatics”, McGraw Hill, 2002.
4. Majumdar, S.R., “Oil Hydraulic Systems: Principles and Maintenance”, Tata McGraw- Hill Publishing Company Ltd., New Delhi, Fourth Reprint, 2003.
5. Peter Rohner, “Fluid Power Logic Circuit Design – Analysis, Design Method and Worked Examples”, The Macmillan Press Ltd., UK, 1979.
6. Andrew Parr, “Hydraulic and Pneumatics”, Jaico publishing house, 1999.