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Input shaping in a cantilever 3D printer: Construction and evaluation
KTH, School of Industrial Engineering and Management (ITM).
KTH, School of Industrial Engineering and Management (ITM).
2023 (English)Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesisAlternative title
Precision how en Cantilever 3D skrivare : Konstruktion och utvärdering (Swedish)
Abstract [en]

FDM 3D printing is an additive manufacturing technology that is widely used, mainly for rapid prototyping. It is also one of the cheapest and most accessible AM technologies for consumers. FDM printers, and especially cheaper alternatives, can have problems with creating high quality prints. Reasons include poor design, inaccurate construction, cheap components, and improper tuning. Input shaping is a control technique that may help mitigate defects caused by poor mechanical design or construction. The “ringing” defect may be eliminated by applying this solution. To perform an evaluation in sub-optimal mechanical conditions a 3D printer was constructed with a cantilever design mainly using plastic prints for mechanically important parts. Printing tests were done with and without input shaping. The results that were produced showed a direct effect of input shaping in 3d printers.

Abstract [sv]

FDM 3D-printing är en additiv tillverkningsteknik som är mycket använd, främst för snabb prototypering. Det är också en av de billigaste och mest tillgängliga AM-teknikerna för konsumenter. FDM skrivare, och särskilt billigare alternativ, kan ha problem med att skapa högkvalitativa utskrifter. Orsaker inkluderar dålig design, konstruktionfel, billiga komponenter och felaktig justering. Input shaping är en kontrollteknik som kan hjälpa till att mildra defekter som orsakas av dålig mekanisk design eller konstruktion. "Ringning" defekten kan elimineras genom att tillämpa denna lösning. För att utföra en utvärdering i dåliga mekaniska förhållanden konstruerades en 3D-skrivare med en fribärande design som använder plastutskrifter för mekaniskt viktiga delar. Utskriftstester gjordes med och utan input shaping. Resultaten som framställdes visade på en uppenbar förbättring av print kvalité som en direkt effekt av input shaping.

Place, publisher, year, edition, pages
2023. , p. 33
Series
TRITA-ITM-EX ; 2023:62
Keywords [en]
FDM, 3D printing, input shaping, cantilever, additive manufacturing
Keywords [sv]
FDM, 3D Printing, inout shaping, fribärande, additiv tillverkning
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:kth:diva-329973OAI: oai:DiVA.org:kth-329973DiVA, id: diva2:1774773
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Available from: 2023-06-26 Created: 2023-06-26 Last updated: 2023-06-26Bibliographically approved

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CiteExportLink to record
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Citation style
  • apa
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