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Pulveregenskapers inverkan på grönkropp med avseende på sprickor
Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Engineering Sciences.
2011 (Swedish)Independent thesis Basic level (university diploma), 10 credits / 15 HE creditsStudent thesis
Abstract [en]

This thesis is a survey and also an investigation of the different factors that affects the cracking that occurs in the inserts at AB Sandvik Coromants production in Gimo. The work that has been done has focused on two main factors, namely, powder characteristics and pressing parameters.AB Sandvik Coromant produces tools and tooling systems for metal cutting. They have some problems in their production of inserts. The problem is that cracks sometimes occur in the body of the insert, after it´s pressed. In order to investigate this, a preliminary study was made in which production principles were studied. A historical survey has also been made with the help of statistics from the last two years of production. This survey was then followed by a number of experiments in which different factors that possibly had an influence in the cracking was investigated.The work resulted in that one of the pressing parameters was found as a factor whose affect on the cracking is large. The investigation also led to that one of the powder characteristics could be considered as a factor whose affect on the cracking is insignificant. This finding applies to the geometries and powder varieties that were included in the experiments. Otherwise, it was found that further work is required to make any general conclusions.

Place, publisher, year, edition, pages
Keyword [sv]
pressparametrar, pulveregenskaper, grönkropp, sprickbildning
URN: urn:nbn:se:uu:diva-155873ISRN: UTH-INGUTB-EX-M-2011/12-SEOAI: diva2:428828
Educational program
Bachelor Programme in Mechanical Engineering
Available from: 2011-07-04 Created: 2011-07-01 Last updated: 2011-07-04Bibliographically approved

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