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A material study of insoles: Manufactured using different methods
Jönköping University, School of Health and Welfare, HHJ. Prosthetics and Orthotics.
Jönköping University, School of Health and Welfare, HHJ. Prosthetics and Orthotics.
2019 (English)Independent thesis Basic level (degree of Bachelor), 180 HE creditsStudent thesis
Sustainable development
Sustainable Development
Abstract [en]

Aim: The aim of this study is to evaluate if additive manufacturing (AM) is an appropriate manufacturing method for insoles in comparison to vacuum forming (VF) and subtractive manufacturing (SM) in regards of material properties such as abrasion resistance. Background: Traditionally insoles are manufactured with either VF or SM. AM has been around for some decades but implementation into orthotic and prosthetic (O&P) business has not been accomplished yet. Therefore, the quality of the products produced with AM must be tested in comparison with traditional methods. Method: A comparison of samples for the mentioned manufacturing methods was done with the help of an abrasion testing machine with the standard ASTM G133. Two samples were produced from each manufacturing method and respectively tested for one and two hours. All the samples were weighed before and after the tests with the help of a four decimal scale. The difference in weight before and after the test and coefficient of friction was evaluated. The weight difference was analyzed to see how much material had been removed from the sample. The percentage of wear loss was calculated for each specific sample, both for one hour and two hours of testing. No statistical analysis could be made due to the limited amount of samples and testing time. Result: No statistically significant could be found for either wear loss or the coefficient of friction as mentioned above. Conclusion: A conclusion whether which material having the best abrasion resistance for respectively manufacturing method could not be drawn due to limited results. This study can be seen as a pilot study where the methodology can be used in further studies. Further research on AM needs to be conducted.

Place, publisher, year, edition, pages
2019. , p. 32
Keywords [en]
Additive manufacturing, insoles, abrasion resistance, internal structure, materials.
National Category
Other Materials Engineering
Identifiers
URN: urn:nbn:se:hj:diva-44577ISRN: JU-HHJ-OTE-1-20190039OAI: oai:DiVA.org:hj-44577DiVA, id: diva2:1325908
External cooperation
Skaraborgs Ortopedservice Skövde; Jönköpings Tekniska Högskola
Subject / course
HHJ, Prosthetic and Orthotic
Supervisors
Examiners
Available from: 2019-08-14 Created: 2019-06-17 Last updated: 2019-08-14Bibliographically approved

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CiteExportLink to record
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Citation style
  • apa
  • ieee
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Language
  • de-DE
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  • nn-NO
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  • Other locale
More languages
Output format
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