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Published byCamden Start
Modified about 1 year ago
Jacob Bayless Mo Chen Bing Dai
Outline Introduction to the Replicating Rapid Prototyper (RepRap) Project goals and motivation RepRap Details Our contribution: Wire embedding module
RepRap Specifications 0.5 mm resolution in the X&Y directions 0.1 mm resolution in the Z direction Material: Biodegradable plastic
Why RepRap? 3D printing Cost: $800 vs. >$15,000 Can print itself Open source project
Project goals 1. To build a RepRap 2. To add 2D solid wire embedding capability to RepRap 3. To document the new design on the RepRap wiki according to open-source standards
Printed Model Life-Cycle Solid Model G-Code Printed Part
RepRap Plastic Extruder Melts plastic filament and pushes it through a small nozzle Plastic is squeezed between a motor shaft and a bearing
RepRap Mechanical Design Each axis controlled by a stepper motor Extruder moves in X-Y plane The Z platform moves down after each layer
Wire Embedding Module Tasks: Feed wire Bond wire to part Cut wire
Feed Wire Same method as plastic extruder Pinch wire against motor shaft
Bond wire to part Create a “hot zone” on the plastic surface
Wire Embedding Module Electronics Off-the-shelf Arduino controller outputs: 2 high current switches 1 high current pulse-width modulation (PWM) output 2 H-bridges 2 Servo outputs One controller for each print head
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Administrative Introduction Our goals for this project is for the two robots to work together intelligently using wireless communication Not only did.
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