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Laser hardning of cutting tools
2003 (English)Independent thesis Advanced level (professional degree), 20 credits / 30 HE creditsStudent thesis
Abstract [en]

Nowadays, most of the tools of Volvo Cars Body Components (VCBC) in Olofström are hardened by flame hardening or induction hardening process. Indeed, VCBC has developed their own equipment for flame and induction hardening: However, Volvo has detected that 74% of the total cost of one year maintenance was caused by trim dies and the main reason is actually trim edge problems which represent 26% of year maintenance. This is why the R&D Forming & Material department is investigating some ways to reduce those excessive costs caused by cutting tools. As a consequence, in this project, we will study the laser hardening of cutting tools. The aims of this project were to investigate: * The laser hardening process * The limits of different tool materials with this laser process This master thesis should give a beginning of answer to the following question: Is the laser hardening process a suitable alternative to induction hardening process for trim dies at VCBC ? This work has been conducted at Volvo Cars Body Components in the R&D Forming & Material department. This report is divided in four main parts. The two first parts deal with theories about laser and selective hardening processes. The two last ones are the report of my experimental investigation that I run during the thesis at VCBC in Olofström.

Place, publisher, year, edition, pages
Keyword [en]
Technology, Laser Hardening, Sleipner, Fermo, Carmo, Cutting Tools
Keyword [sv]
URN: urn:nbn:se:ltu:diva-49333ISRN: LTU-EX--03/210--SELocal ID: 6b099642-d534-44bb-9bb3-a10403ea5cffOAI: diva2:1022680
Subject / course
Student thesis, at least 30 credits
Educational program
Materials Engineering, master's level
Validerat; 20101217 (root)Available from: 2016-10-04 Created: 2016-10-04Bibliographically approved

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