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Mechanical System

Mechanical System. Agenda. Mechanical Systems – Contest Outcomes Basic Pneumatics The Kit of Parts. About the contest. Emphasis on Design Techniques (Discussed tomorrow) Pneumatics Basics Components Symbols. About Pneumatics. One type of Fluid Power

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Mechanical System

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  1. Mechanical System

  2. Agenda • Mechanical Systems – Contest Outcomes • Basic Pneumatics • The Kit of Parts

  3. About the contest • Emphasis on • Design Techniques (Discussed tomorrow) • Pneumatics • Basics • Components • Symbols

  4. About Pneumatics • One type of Fluid Power • Main difference between pneumatics and Hydraulics: Compressibility

  5. F = PA Tradeoffs?

  6. Components • Compressor • Pressure Switch • Pressure Gauge • Regulator • Tank • Flow Control • Directional Control Valves (solenoid valves) • Cylinders • Hose and Fittings

  7. Compressor • The compressor squeezes air into the tank

  8. Pressure Switch & Gauges

  9. Regulator • Reduces Pressure “downstream”

  10. Tank • Accumulator, receiver • Size determines how much energy is available. • Keep this in mind when testing on the testbed

  11. Flow Control Fitting • Restricts airflow in one direction • Controls speed.

  12. Directional Control Valves • Solenoid Valves, 4 or 5-Way Valves, Spool Valves

  13. Cylinders • Where the action is • Double acting

  14. Force Available • At 60 psi… • 5/16 bore • Extend: 4.6 lbs • Retract: 3.8 lbs • ¾ inch bore • Extend: 26 lbs • Retract: 24 lbs • 1.5 inch bore • Extend: 106 lbs • Retract 97 lbs

  15. Hose and Prestolock Fittings

  16. Mechanisms

  17. About Parts Available • Sources: • Kit of Parts • Metal Choices • Material Requisition Form

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