Calvin Kwok Cary Sit Colin Wang Jack Ye Steven Norwood Formlabs Automator University of Waterloo Capstone Project Calvin Kwok Cary Sit Colin Wang Jack Ye Steven Norwood
Automator | Design Overview 11/15/16 Overall dimensions: 2.6m x 0.59m x 0.9m Systems Shown: 4 Form 2 Rosie Wash Automator part remover Systems Missing Automator Cure Post removal part handling Central resin system Rosie Wash IPA fill system x y z
Aluminum T-bar reinforcement Automator | X Axis Gantry 11/15/16 Aluminum T-bar reinforcement MakerSlide extrusion guide ways Joined 1.8m and 0.72m segment Each cart has 6 MakerSlide wheels Custom mounting plate T-bar mounting plate Motor moved onto moving part Reduces belt length to 50% Motor is now a moving component x y z MakerSlide extrusion Cart X-motor output Belt tensioning idler
Automator | Y Axis Gantry 11/15/16 Idler pulley Unchanged from 11/07/16 presentation Discussed using MakerSlide for this as well Larger overall system Potentially cheaper Lighter Gearmotor Linear Bearing Guide rods
Fork to grab build platform Automator | Z Axis Gantry 11/15/16 Form 2 NEMA 17 stepper Unchanged from 11/07/16 presentation Uses Form 2 hardware Stepper Backlash nut Linear track Linear Carriage Carries fork to manipulate build platform Form 2 Backlash Nut Fork to grab build platform Form 2 Z carriage Form 2 Z Track
Automator | Build Platform Attachment 11/15/16 2 printed parts clamping BP handle No BP modification required Clamping screws Holes for fork
Automator | Extended Carriage Lever 11/15/16 Drop in lever Drop in lever replacement for Automator Printed part
Automator | Part Remover Overview 11/15/16 “Guillotine” style part remover design Two linear actuator powered sliding blade 1.4kN max force per actuator x y z
Automator | Part Remover Operation 11/15/16 z Steel Blade PTFE Pads Build Platform Linear Actuator Blade pulled by actuators across build platform Blade does not contact build platform PTFE pads eliminates blade lock-up Sprung bottom rail allows for PTFE wear Does not need to be sprung if PTFE pads are replaced every 1000 cycles y Bottom Rail Spring Blade to actuator bracket removed for clarity
Automator | Part Remover Operation 11/15/16 Blade shoulder Blade shoulder Blade shoulders prevent Z axis rotation Slides on PTFE in case of rotation z x