Unit 1 Introduction

8 lecture hours

• Pascal’s law & its applications
• Bernoulli’s Principle & its application
• Comparison between Hydraulics and Pneumatics
• Advantages and Disadvantages of Hydraulics
• Hydraulic Oil-Requirements
• Maintenance of Hydraulic oil, Gauges
• Packing and Seals
• Filters and Strainers
• Symbols of Hydraulics and Pneumatics

Unit 2 Hydraulic Pumps and Motors

7 lecture hours

• Pump Specification
• Construction and working of Various Pumps like Gear pump
• vane pump and radial piston pump
• Hydraulic motor specification
• Construction and working of various motors like Gear Motor
• Vane motor and Radial piston motor

Unit 3 Hydraulic Valves

10 lecture hours

• Direction Control Valve- Types : Check valve
• Two way Valve
• Four way Valve its Application
• Flow Control Valve
• Pressure Control Valve: Relief Valve
• Balanced Valve
• Piston Type
• Unloading Valves
• Sequence Valves
• Counter Balance Valve
• Pressure Reducing Valves

Unit 4 Accumulators and Pressure Intensifiers, Accumulators Types like Weight Loaded, Spring

• Gas Charged
• Pressure Intensifiers Types single stage and double stage

Unit 5 Subject Code

4 lecture hours

• 3132305 5 Pneumatic System Air Compressor -Single Acting and Double Acting
• Components of Pneumatic System

Unit 6 Hydraulic Circuit

8 lecture hours

• Clamp control circuit
• Injection Control Circuit
• Reciprocating Screw Circuit
• Deceleration Circuit
• Prefill Circuit
• Hydraulic motor circuit
• Hi Low Pump circuit
• Pneumatic circuit for Plastic Processing Machine