Air! A pneumatic assembly is one that converts energy stored in compressed air to mechanical energy....

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862 2012 Pneumatics Lightning Robotics – FRC 862

Transcript of Air! A pneumatic assembly is one that converts energy stored in compressed air to mechanical energy....

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  • Air! A pneumatic assembly is one that converts energy stored in compressed air to mechanical energy. Electrical Energy Compressed air Mechanical force Compressor Release of air
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  • False! Tiny investment, major returns Requires only some heavy components Pneumatics are usually very light in comparison to motors! No heavy motors No gearboxes No sprockets, etc.
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  • FIRST made the rules much nicer this past year. Unlimited air storage Much lighter compressor
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  • Putting into motion Motors rotate, cylinders extend and retract Good in different situations Motors Pneumatics
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  • Pneumatics good for fixed distances of travel Motors good for infinite travel Examples: Raising and lowering arm: fixed Extending and retracting arm: fixed Driving infinite Operating a belt infinite Spinning a wheel infinite Opening and closing a claw - fixed
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  • Pneumatics are not heavy! If you need infinite motion, use motors. If you need a fixed distance of travel, use pneumatics. Dont try to use one for the other!
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  • How to build them!
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  • New (Rookie) Compressor Old Compressor
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  • Simple Concept stores air Unlimited quantity
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  • FIRST requires that: Max storage pressure: 120 psi Max working pressure: 60 psi Regulator does that! In line between tanks and cylinders
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  • What actually does the moving!
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  • Bore Diameter: The diameter of the bore (inside) of the cylinder. Increasing this increases force applied by the cylinder, but also increases air used. Stroke Length: The distance the piston travels when extending or retracting. Increasing this increases air used.
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  • The valve that controls air flow Electronically controlled 2 types Single-solenoid Double-solenoid
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  • Tubing Brass fittings Safety pressure release valve Tube connectors Pressure sensor Teflon tape
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