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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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Presentation Transcript
agenda
Agenda
  • Mechanical Systems – Contest Outcomes
  • Basic Pneumatics
  • The Kit of Parts
about the contest
About the contest
  • Emphasis on
    • Design Techniques (Discussed tomorrow)
    • Pneumatics
      • Basics
      • Components
      • Symbols
about pneumatics
About Pneumatics
  • One type of Fluid Power
  • Main difference between pneumatics and Hydraulics: Compressibility
slide5
F = PA

Tradeoffs?

components
Components
  • Compressor
  • Pressure Switch
  • Pressure Gauge
  • Regulator
  • Tank
  • Flow Control
  • Directional Control Valves (solenoid valves)
  • Cylinders
  • Hose and Fittings
compressor
Compressor
  • The compressor squeezes air into the tank
regulator
Regulator
  • Reduces Pressure “downstream”
slide12
Tank
  • Accumulator, receiver
  • Size determines how much energy is available.
    • Keep this in mind when testing on the testbed
flow control fitting
Flow Control Fitting
  • Restricts airflow in one direction
  • Controls speed.
directional control valves
Directional Control Valves
  • Solenoid Valves, 4 or 5-Way Valves, Spool Valves
cylinders
Cylinders
  • Where the action is
  • Double acting
force available
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
about parts available
About Parts Available
  • Sources:
    • Kit of Parts
    • Metal Choices
    • Material Requisition Form
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