Journal
27TH INTERNATIONAL CONFERENCE ON FLEXIBLE AUTOMATION AND INTELLIGENT MANUFACTURING, FAIM2017
Volume 11, Issue -, Pages 536-544Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.promfg.2017.07.147
Keywords
Fused Deposition Modelling; Additive Manufacture; Quality Control; Extrusion; Process Monitoring
Funding
- EPSRC Centre for Doctoral Training in Future Autonomous Robotic Systems (FARSCOPE) at the Bristol Robotics Laboratory [EP/L015293/1]
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Fused Deposition Modelling (FDM), a form of Additive Manufacture, can produce 3D components directly from CAD data. This paper investigated fluctuations in filament temperature during step changes in feed rate and start/stop motions, monitoring temperature using a thermal camera and thermistors embedded in both the block and nozzle. Temperature overshoots 12 degrees C and 18.5 degrees C were observed during a step increase in feed rate and a priming motion respectively. Evaluating these changes with a sintering model predicted a 20% increase in bond formation, although no significant differences of bond sizes were observed using optical measurement. (c) 2017 The Authors. Published by Elsevier B.V.
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