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HPDC Die design for Additive Manufacturing: Simulation and Comparison of Thermal Stresses in HPDC die designed for Additive Manufacture
Jönköping University, School of Engineering, JTH, Industrial Product Development, Production and Design. (Department of Product Development, Jönköping University)
Jönköping University, School of Engineering, JTH, Industrial Product Development, Production and Design. (Department of Product Development, Jönköping University)
2019 (English)Independent thesis Advanced level (degree of Master (Two Years)), 20 credits / 30 HE creditsStudent thesis
Abstract [en]

Additive manufacturing has a great potential to benefit die manufacture by shortening the lead time considerably and lifting the limitations on design complexity imposed by conventional manufacturing techniques. However, AM has its own requirements that together are known as Design for Additive Manufacturing and account for the process limitations. One of the significant requirements is mass efficiency of the design (it should be as light as possible). If it’s not fulfilled, AM won’t be able to make an economical solution or substitution despite having outstanding benefits. The present investigation has been framed with respect to such concern.

This investigation attempts to draw a comparison between the performance of two design variants. Additionally, it has been tried to study the employed method, document implementation of the approach, and identify the challenges in accordance with design for additive manufacturing.

Simulation of thermal stresses generated in die inserts for a given component during one cycle of high pressure die casting is presented. Initial design of the die inserts is subjected to redesign with the intention of mass reduction by incorporating honeycomb structure. Temperature evolution and resultant thermal stresses are analyzed for redesign and compared to those of original design.

Simulation of high pressure die casting was carried out in MagmaSoft to obtain temperature history of die inserts and cast. Implicit nonlinear elastic fully coupled thermal displacement model was setup in Abaqus in which Magma results were used as input for stress calculation.

Results show that according to our specific design, HPDC die with thin walled feature cannot withstand the thermal and mechanical load. However, with iterative analysis and proper topology optimization, a lightweight complex geometry die can be successfully made.

Place, publisher, year, edition, pages
2019. , p. 127
Keywords [en]
High Pressure Die Casting, Additive Manufacturing, Finite Elements Analysis
National Category
Production Engineering, Human Work Science and Ergonomics
Identifiers
URN: urn:nbn:se:hj:diva-43319ISRN: JU-JTH-PRU-2-20190121OAI: oai:DiVA.org:hj-43319DiVA, id: diva2:1295781
Subject / course
JTH, Product Development
Presentation
2018-12-14, 10:00 (English)
Supervisors
Examiners
Available from: 2019-03-13 Created: 2019-03-12 Last updated: 2019-03-13Bibliographically approved

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Citation style
  • apa
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