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?

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

8. Compressor The compressor squeezes air into the tank

10. Pressure Switch & Gauges

11. Regulator Reduces Pressure “downstream”

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

13. Flow Control Fitting Restricts airflow in one direction Controls speed.

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

15. Cylinders Where the action is Double acting

16. 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

17. Hose and Prestolock Fittings

18. Mechanisms

23. About Parts Available Sources: – Kit of Parts – Metal Choices – Material Requisition Form