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Evaluation of tool material Vancron 40 with regard to wear, surface quality and galling
Dalarna University, School of Technology and Business Studies, Material Science.
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2012 (English)In: Proceedings of  JSI 2012 - 30th International Steel Industry Conference, December 18-19, Paris, France, Paris: B&W , 2012, , 2 p.Conference paper, Oral presentation only (Refereed)
Abstract [en]

Resistance to adhesive wear on tool material can be improved by increasing the tool hardness, high ductility and decreasing of friction coefficient between the tool and the work material. In a similar way, resistance to galling can be increased by increasing the tool hardness and decreasing of friction. The purpose of this project was to investigate the use of Vancron 40 as work rolls in cold rolling of stainless steel in cluster rolling mills. Considerable factors were among others, the influence of different industrial lubricants, minimizing of temperature rising during rolling, lowering of rolling forces, longer life of rolls, easier grinding of rolls, increase the oil film bearing at normal cold rolling conditions and improving surface roughness of the final products.

For using of work rolls in cold rolling cluster mills, roll material Vancron 40 was evaluated with regard to roll wear, surface quality and galling. Currently used roll type ASP23 was used as reference roll in the evaluation. The experiments were performed, as much as possible, in accordance to steel industries recommendations. The experiments were conducted with a 4-high pilot rolling mill at Swerea MEFOS in Luleå which is equipped for rolling of both flat and long products. The experiment was done for different industrial mineral-based lubricants. Lubrication was applied in a controlled form to the upper and lower work rolls and in the contact zone. To achieve the proposed final thickness, five passes were rolled. The characteristic of the upper and the lower work rolls, during rolling, was also examined. The pilot experimental results gave promising result in surface roughness, galling and roll material hardness. Due to its chemical and physical properties, Vancron 40 is believed to be the best solution to resist adhesive wear and galling in cold rolling process that require higher accuracy. 

Place, publisher, year, edition, pages
Paris: B&W , 2012. , 2 p.
Keyword [en]
Vancron 40, ASP23, roll wear, surface quality, galling, adhesive wear, tool hardness
National Category
Materials Engineering
Research subject
Stålformning och ytteknik, 31052 LOWWEAR-WP1 varmvalsning
Identifiers
URN: urn:nbn:se:du-11685OAI: oai:DiVA.org:du-11685DiVA: diva2:587616
Conference
JSI 2012 - 30th International Steel Industry Conference, December 18-19, Paris, France
Funder
The Knowledge Foundation, 31052
Available from: 2013-01-15 Created: 2013-01-14 Last updated: 2013-01-15Bibliographically approved

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CiteExportLink to record
Permanent link

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Cite
Citation style
  • apa
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • chicago-author-date
  • chicago-note-bibliography
  • Other style
More styles
Language
  • de-DE
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  • nn-NO
  • nn-NB
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Output format
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