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Optimization of the pressing process of triangular shaped cutting tool inserts
Linnaeus University, Faculty of Technology, Department of Mechanical Engineering.
2016 (English)Independent thesis Advanced level (degree of Master (One Year)), 10 credits / 15 HE creditsStudent thesis
Abstract [en]

Pressing of metallic powders is a manufacturing process widely investigated in the research field and in the industry. This thesis project is focused on optimizing the pressing process of cemented carbide powder utilized for the production of triangular shaped cutting tool inserts. In particular, the filling of powder into the die cavity was investigated with respect to different pressing parameters. The aim of the project was to obtain a uniform density distribution of the powder into the die cavity, and hence to reduce the variation of the height of the insert obtaining more precise dimension of the latter.

The tests were carried out at the Sandvik Coromant production department which is the creator of the project. The optimization of the pressing process was performed according to the Design of experiments theory. The dynamic of the sintering process was also investigated.

The results showed a significant improvement in the filling of the die cavity and a significant decrease of the variation of the height of the inserts. The new insert obtained has more precise dimensions and is able to meet the more demanding requirements of the customers. The results achieved are directly applicable to a larger number of products, and indicate the direction to follow for further development of the manufacturing process.

Place, publisher, year, edition, pages
2016. , 47 p.
Keyword [en]
Powder metallurgy, Design of experiments, Cutting tool inserts, Cemented carbide
National Category
Other Mechanical Engineering
Identifiers
URN: urn:nbn:se:lnu:diva-58282OAI: oai:DiVA.org:lnu-58282DiVA: diva2:1049514
External cooperation
Sandvik Coromant
Subject / course
Mechanical Engineering
Educational program
Mechanical Engineering, Master Programme, 60 credits
Supervisors
Examiners
Available from: 2016-11-28 Created: 2016-11-24 Last updated: 2016-11-28Bibliographically approved

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Milani, Mauro
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