Facilitating the Production of 3D-Printed Spare Parts in the Design of Plastic Parts: A Design Requirement Review

Alma van Oudheusden (), Jeremy Faludi and Ruud Balkenende
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Alma van Oudheusden: Department of Industrial Design Engineering, Delft University of Technology, 2628 CD Delft, The Netherlands
Jeremy Faludi: Department of Industrial Design Engineering, Delft University of Technology, 2628 CD Delft, The Netherlands
Ruud Balkenende: Department of Industrial Design Engineering, Delft University of Technology, 2628 CD Delft, The Netherlands

Sustainability, 2024, vol. 16, issue 21, 1-32

Abstract: Using additive manufacturing for spare part production can ensure that spare parts are available for a long time. However, spare parts are currently not designed for additive manufacturing. This study aimed to find how the production of 3D-printed spare parts can be facilitated in the design of plastic parts. We used a literature review and illustrative case to find how the design requirements for standard injection moulded plastic parts relate to the manufacturing capabilities of additive manufacturing for spare parts. The design requirements were defined by assigning corresponding structural and material properties. These requirements were then used to construct and evaluate the capabilities of additive manufacturing compared to injection moulding. It was found that additive manufacturing is especially suitable for requirements like Accuracy, Heat resistance, and Chemical resistance. However, to fully enable 3D-printed spare parts, certain design challenges still need to be tackled. Designers should pay careful attention to the synergies and trade-offs between design requirements and the challenges that might arise from the combination of certain requirements. Also, designers should ensure products are easily reparable before considering 3D-printed spare parts. If we target these challenges in the design phase, we can facilitate 3D-printed spare parts that enable product repairability.

Keywords: 3D printing; additive manufacturing; repair; spare parts; circular economy; sustainability (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2024
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