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Lab 9: Proportional Valve with feedback-ROBO241, Lab Reports of Hydraulics

Centennial CollegeHydraulics

The subsequent experiment demonstrates the necessary details regarding the hydraulic circuit feedback of the proportional valve. To observe the feedback of the proportional valve, the recorded results were used to create a chart of voltage vs inches.

Typology: Lab Reports

2021/2022

Available from 01/06/2023

Hareshjasoliya
Hareshjasoliya 🇨🇦

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Course Name: Robo 241 Hydraulics 3
Section: 002
Lab No.: 9
Student Name: _ _Soni Priyank
(Last name) (First Name)
Student No. 301242714
Date: 7th December 2022
Instructor: Prof. Paul Bligdon
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Download Lab 9: Proportional Valve with feedback-ROBO241 and more Lab Reports Hydraulics in PDF only on Docsity!

Course Name: Robo 241 Hydraulics 3

Section: 002

Lab No.: 9

Student Name: _ _Soni Priyank

(Last name) (First Name)

Student No. 301242714

Date: 7

th

December 2022

Instructor: Prof. Paul Bligdon

Lab 9 : Proportional Valve with feedback Abstract: The subsequent experiment demonstrates the necessary details regarding the hydraulic circuit feedback of the proportional valve. To observe the feedback of the proportional valve, the recorded results were used to create a chart of voltage vs inches. Objective: Have a thorough understanding of the proportional DCV's operation. Determining the roles played by several crucial system components. Establish the relation between voltage and piston travel distance in inches; a graph showing the relationship between the measured data was created. Procedure:

  1. Connect a hose to the pressure port of the manifold to restrict the flow meter's intake.
  2. Connect a hose from the flow meter's output to the proportional valve's P port.
  3. Attach a hose to the return port of the manifold block and connect it to the T port of the proportional valve.
  4. Connect the cap end of the cylinder with the feedback transducer to the proportional valve's B port.
  5. The rod end of the cylinder needs to be attached with a hose from the proportional valve's A port.
  6. Switch on the hydraulic system and set the pressure to 500 psi.
  7. The pump's start/stop controls are close to the Prop V selector switch. As the amps are gradually increased, the motor's flow and speed are then independently recorded in the table.
  8. Turn the potentiometer until the cylinder moves. Pull back the cylinder completely.
  9. After extending the cylinder in 12-inch increments, record the CMD/Volts and FDBK/Volts.
  10. After retracting the cylinder by 12 increments, record the CMD/Volts and FDBK/Volts. Equipment:
  • Tachometer & flowmeter
  • Wires
  • Connecting hoses
  • Proportional DCV

For Retraction: Piston Extension (inch) Input voltage Feedback voltage 0.5 0.95 0. 0.1 1.89 1. 1.5 2.93 2. 2.0 3.77 3. 2.5 4.74 4. 3.0 5.72 5. 3.5 6.61 6. 4.0 7.56 6. 4.5 8.39 7. 5.0 9.44 8. 5.5 10.53 9. 0 2 4 6 8 10 12 0 2 4 6 8 10 12 14 Voltage vs Piston Distance Input voltage Feedback voltage

Circuit Schematic: