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Article

SLM Manufacturing Redesign of Cooling Inserts for High Production Steel Moulds and Benchmarking with Other Industrial Additive Manufacturing Strategies

1
Centre CIM (Computer Integrated Manufacturing), Departament d’Enginyeria Mecànica, Universitat Politècnica de Catalunya, Av. Diagonal, 647, 08028 Barcelona, Spain
2
Fluidra S.A., C/Ametllers, 6, Polinyà, 08213 Barcelona, Spain
*
Author to whom correspondence should be addressed.
Materials 2020, 13(21), 4843; https://doi.org/10.3390/ma13214843
Received: 22 September 2020 / Revised: 22 October 2020 / Accepted: 27 October 2020 / Published: 29 October 2020
(This article belongs to the Special Issue Special Issue of Manufacturing Engineering Society-2020 (SIMES-2020))
Moulding technologies are remarkably effective for parts requiring high production volumes. Yet cooling the moulds after each injection can cause a significant loss of time. A possibility for reducing the cooling times is to use cooling inserts and conformal cooling strategies. In the present case, the original inserts of a mould must be substituted because the original material cannot be utilized anymore (toxicity). Will it be technically feasible to achieve a proper cooling only by modifying the inserts? Here, the cooling inserts of high production steel moulds utilized to manufacture ribs for swimming pool sinks’ plastic cages are redesigned, simulated and manufactured, taking advantage of Selective Laser Melting possibilities and without modifying the geometry of the obtained parts, nor the rest of the moulds. The results reveal a reduction in the mould cooling times of up to 8%, while maintaining the same conformation properties, thus leading to important savings of time and some global costs in the production outcomes. The study also benchmarks the production economic limits of this approach compared to other possible strategies, such as the development of full new conformal cooling moulds or the industrial production of the parts with plastic additive manufacturing (multi jet fusion) technology. View Full-Text
Keywords: additive manufacturing; selective laser melting; steel; cooling inserts; conformal cooling; moulds; multi jet fusion additive manufacturing; selective laser melting; steel; cooling inserts; conformal cooling; moulds; multi jet fusion
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MDPI and ACS Style

Minguella-Canela, J.; Morales Planas, S.; De los Santos-López, M.A. SLM Manufacturing Redesign of Cooling Inserts for High Production Steel Moulds and Benchmarking with Other Industrial Additive Manufacturing Strategies. Materials 2020, 13, 4843. https://doi.org/10.3390/ma13214843

AMA Style

Minguella-Canela J, Morales Planas S, De los Santos-López MA. SLM Manufacturing Redesign of Cooling Inserts for High Production Steel Moulds and Benchmarking with Other Industrial Additive Manufacturing Strategies. Materials. 2020; 13(21):4843. https://doi.org/10.3390/ma13214843

Chicago/Turabian Style

Minguella-Canela, Joaquim, Sergio Morales Planas, and María A. De los Santos-López 2020. "SLM Manufacturing Redesign of Cooling Inserts for High Production Steel Moulds and Benchmarking with Other Industrial Additive Manufacturing Strategies" Materials 13, no. 21: 4843. https://doi.org/10.3390/ma13214843

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