EricHettler-MEWilliamGallagher-ISEChristopherMieney-.ppt

Eric Hettler - ME William Gallagher - ISE Christopher Mieney - ME Gregory Ryan - ME Joseph Cole - EE FAB AMERICA Design Review Agenda Project Overview Needs/Specifications Current System Selected Concept Material Delivery System Drawings BOM Feasibility Control Electronics Drawings BOM Feasibility Curing Drawings BOM Feasibility Risk Assessment Test Plan Project Overview Fab@Home open-source architecture Print photo-curable resin Color printing used as a vehicle to demonstrate multi-material print capability Systems Overview Concept Screening/Selection Material Delivery Micro Valve (solenoid) Ball Point Approach Micro Rocker Valve (solenoid) Inkjet (Thermal) Inkjet (Piezoelectric) Disposable Syringe Curing Ambient Light (fluorescent) Mini Halogen Bulbs LEDs Laser Fiber Optics Motion Control Stepper Motor Servo Motors Pulleys Rack and Pinion Pneumatics Color Mixing 3 pre mixed reservoirs that mix in manifold Inject individual inks into stream of resin Mix inks and inject into stream of resin Print like an inkjet (halftoning) Put down resin and print with inkjet on top Material Delivery - Manifold Material Delivery - Manifold Lee Valves Proposed Design: material delivery nozzles Tube ID: .0075” Proposed Design: Micro Valves Photos From The Lee Company Material Delivery - BOM Air Adapter Assembly 10cc Adapter 3ft hose 7012339 EFD 3 $23.25 $69.75 Reservoirs Syringe Barrel and Piston Set (10 cc UV Light Block) 7012126 EFD 30 $1.33 $39.78 Solenoid air valve (optional) Solenoid Valve, NPT Port 1/8 Inch, Coefficient of Volume 0.2, Air Flow 6.9 CFM, Coil 12 VDC, Maximum Operating Pressure 120 PSI, Maximum Temperature 0-180 Degrees Fahrenheit, Actuator/Return Solenoid/Spring, Length 1.32 Inches, Height 2.4 Inches, Width .75 Inch, 3 Way Direct, Body Ported 35A-AAA-DDBA-1BA Grainger 0 $33.30 $0.00 Material Tubing Tubing, PTFE, All Natural, 1/16th x .040 (1.0mm) ID. Low Pressure, Translucent. 5 Meter Roll. 49210-40 MicroSolv Tech 1 $13.21 $13.21 Material Tubing Covering P