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Mentors Workshop Pneumatic Sub-System Mark McLeod Team 358 Festo/Hauppauge H.S.

Mentors Workshop Pneumatic Sub-System Mark McLeod Team 358 Festo/Hauppauge H.S. . F or I nspiration and R ecognition of S cience and T echnology. Objectives. FIRST Rules & Restrictions Official Suppliers & Other Sources “Circuit” diagram Sample Layout Basics/Components Design Notes

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Mentors Workshop Pneumatic Sub-System Mark McLeod Team 358 Festo/Hauppauge H.S.

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  1. Mentors WorkshopPneumatic Sub-SystemMark McLeodTeam 358Festo/Hauppauge H.S. For Inspiration and Recognition of Science and Technology

  2. Objectives • FIRST Rules & Restrictions • Official Suppliers & Other Sources • “Circuit” diagram • Sample Layout • Basics/Components • Design Notes • Potential Problems • Keeping Students Busy • Typical Schedule

  3. FIRST Rules & Restrictions • Pneumatics restricted in quantity and type • Only provided type of compressor, storage tanks • Official suppliers – Bimba, Parker Hannifan, Festo, Clippard • Free items order sheet in FIRST Pneumatics Manual • Compressor on-board or off-board • 125psi max storage / 60psi working (must have 2 gauges). Can have a second lower stage. • Unmodified – “out of the shipping box” • Vacuum devices not considered pneumatics • Subject to Inspectors ruling

  4. Official Suppliers • Official Suppliers • www.bimba.com/ • Parker Hannifan • www.festo.com/ • www.clippard.com

  5. Sample Pneumatics Diagram

  6. Sample Layout

  7. Basic Components • Compressor • Solenoid valves • Actuators • Gauges • Pressure & transducer sensors • Regulators • Storage tanks • Flow control • Brass & quick connect fittings & tubing

  8. Design Notes • Actuators are lighter than motors w/ 9-180 lbs of force • Don’t overheat or stall • Linear or rotary • Can be damaged if struck • Consider compressor weight • Consider mechanical stops • Flow control to slow/reduce actuator reaction • Force is adjustable by bore of cylinder and flow control • Single solenoid (retracts upon loss of power) • Double solenoid (maintains position on loss of power)

  9. Potential Problems • Air leaks • Broken pressure sensor • Compressor hooked up backwards • Values connected incorrectly • Exposed tubing vulnerable to snagging • Too much force can damage manipulators

  10. Keeping Students Busy • Prototype testbeds • Design pneumatic manipulators

  11. Typical Pneumatics Schedule • September thru December • Develop basic skills • January thru March • Six week build period • Robot design – space for electronics and wire runs • Actuator requirements • Designing and testing solutions • Resolve physical layout • Integrating solutions with electrical/control system/mechanical • Regional event • Inspection

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