Experiment no. 06 Demonstrate industrial circuits on Hydraulic trainers

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 Title : - Demonstrate industrial circuits on Hydraulic trainers

Introduction : - 

Hydraulic systems play a crucial role in various industrial applications, including manufacturing, automation, and heavy machinery. The Hydraulic Trainer Kit is a specialized setup designed to help students and professionals understand the working principles of hydraulic circuits by performing hands-on experiments.

This experiment aims to demonstrate industrial hydraulic circuits by assembling, operating, and analyzing different hydraulic components such as pumps, actuators, valves, and control mechanisms. By using the trainer kit, learners can visualize the flow of hydraulic fluid, understand pressure variations, and observe how different components interact to perform mechanical tasks.

The objectives of this experiment include:

  • Understanding the basic principles of hydraulics and fluid power systems.
  • Learning how to assemble and troubleshoot hydraulic circuits.
  • Studying the function of directional control valves, pressure control valves, and flow control valves.
  • Demonstrating real-world industrial applications, such as lifting, pressing, and automated motion control.

Equipment and Components

The Hydraulic Trainer Kit typically consists of:

  • Hydraulic Power Unit (Pump, Motor, Reservoir)
  • Directional Control Valves (DCV) (e.g., 3/2, 4/2, 5/3 valves)
  • Flow Control Valves
  • Pressure Control Valves (e.g., relief valves, sequence valves)
  • Cylinders and Actuators
  • Hoses and Fittings

Demonstration of Industrial Circuits

  1. Basic Hydraulic Circuit

    • Connect the hydraulic pump to a directional control valve and a single-acting cylinder.
    • Observe the movement of the cylinder when the valve is operated.
    • Analyze pressure and flow variations in the system.

  2. Double-Acting Cylinder Operation

    • Set up a 4/2 or 5/3 directional control valve to control a double-acting cylinder.
    • Demonstrate forward and reverse stroke movements.
    • Study flow regulation using flow control valves.

  3. Pressure Control Circuit

    • Implement a pressure relief valve to maintain system safety.
    • Observe pressure adjustments using a pressure gauge.
    • Demonstrate pressure regulation for actuator control.

  4. Hydraulic Motor Control Circuit

    • Use a hydraulic motor instead of a linear actuator.
    • Control motor speed using flow control valves.
    • Demonstrate torque and speed variations based on pressure adjustments.

  5. Sequential Circuit for Automation

    • Design a circuit where one actuator moves only after another completes its operation.
    • Use sequence valves to control actuation order.
    • Demonstrate an industrial example, such as an automated pressing system
Meter In Circuit










PROCEDURE:
1).From P manifold connect hose pipe to port P of 4/3 lever operated valve. 2).connect port A of 4/3 lever operated valve to extracting port of double acting cylinder where both port of cylinder having flow control valve. 3).Retracting port of cylinder connect to 4/3 lever operated valve B port And T port of 4/2 lever operated valve connect to T manifold 4).ON the trainer and slowly vary the flow control valve mounted on extracting port of double acting cylinder.

Meter Out Circuit: - 



PROCEDURE:
1).From P manifold connect hose pipe to port P of 4/3 lever operated valve. 2).connect port A of 4/3 lever operated valve to Retracting port of double acting cylinder where both port of cylinder having flow control valve. 3). extracting port of cylinder connect to 4/3 lever operated valve. And T port of 4/3 lever operated valve connect to T manifold 4).ON the trainer and slowly vary the flow control valve mounted on Retracting port of double acting cylinder

BLEED OFF CIRCUITS





PROCEDURE: 
1).From P manifold connect hose pipe to port P of 4/3 lever operated valve. 2).connect port A of 4/3 lever operated valve to Retracting port of double acting cylinder where both port of cylinder having flow control valve KEEP THEM FULLY OPEN 3). extracting port of cylinder connects to FLOW CONTROL VALVE mainly used as bleed off circuits. And T port of 4/2 lever operated valve connect to T fitting provided with FLOW CONTROL VALVE 4). Connect remaining port of flow control valve to T manifold. 4).ON the trainer and while retracting condition slowly vary the flow control valve mounted on trainer and see controlling of position double acting cylinder

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