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Methodology for Soft Zone heat transfer simulations in NX
Luleå University of Technology, Department of Engineering Sciences and Mathematics.
Luleå University of Technology, Department of Engineering Sciences and Mathematics.
2017 (English)Independent thesis Advanced level (degree of Master (Two Years)), 20 credits / 30 HE creditsStudent thesis
Abstract [en]

The Master’s Thesis has been performed at the Tooling Division of Gestamp HardTech, the company is specialized in the presshardening technology for in the automobile industry. The Tooling Division design, develop and manufacture the presshardening tools. To ensure the high product quality and correct material properties, heat transfer simulations are performed of the presshardening tools.The current heat transfer simulations are performed with boundary conditions not suited to generate accurate results of the reality. It does not include temperature control of the tool and it does not regard the impact of supplied heat transfer to the tool during serial production. This results in overheating zones of the tool, the purpose of this thesis is to develop a heat transfer simulation method to generate results which predicts overheating in the tool.The heat transfer simulation method was performed with NX Simcenter Thermal/Flow Advanced to achieve the thesis goal. Results indicates that the real conditions of both temperature control and heat transfer during serial production can be predicted. These results are of great importance for the Tooling Division, the simulation makes it possible for the designers to discover overheating zones in the tool and prevent the outcome before the startup of the operating tool.The greatest limitation of the thesis has been the time limit. A heat transfer simulation of greater accuracy could have been developed with a larger time frame. Still, the total outcome of the results from this thesis has been of great importance for the Tooling Division.

Place, publisher, year, edition, pages
2017. , 85 p.
Keyword [en]
Presshardening, heat transfer, simulation, NX
National Category
Mechanical Engineering
Identifiers
URN: urn:nbn:se:ltu:diva-65236OAI: oai:DiVA.org:ltu-65236DiVA: diva2:1134915
External cooperation
Gestamp HardTech
Educational program
Mechanical Engineering, master's level
Examiners
Available from: 2017-08-22 Created: 2017-08-21 Last updated: 2017-08-22Bibliographically approved

Open Access in DiVA

The full text will be freely available from 2027-08-18 00:00
Available from 2027-08-18 00:00

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  • apa
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Language
  • de-DE
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  • nn-NO
  • nn-NB
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