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Lubrication of the cutting tools in a stainless finishing line
Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Engineering Sciences, Applied Materials Sciences.
2016 (English)Independent thesis Advanced level (professional degree), 20 credits / 30 HE creditsStudent thesis
Abstract [en]

In this thesis work the possible benefits of implementing a

lubricant in the process of cutting stainless steel has been

investigated. It has also be investigated how the lubricant could

lower the wear rate in the cutting process. Different surface

prearations has also been tested to see how these will affect the

resistance towards galling which is one of the limiting parameter

for the lifetime of the cutting steels at Outokumpus production

center in Avesta. These tests has been performed in a tribological

test called crossed cylinder test with a duplex stainles steel as

work material sliding against a tool steel. The lubricants that

has been tested is a water based fluid developed for sheet metal

forming and cutting meant to leave no residuas on the surface that

can act harmful to welding for example. The biggest benefit has

been shown when implementing the lubricant but also a small

decrease of the wear rate has been obtained by changing the

surface preparation of the cutting tool surface.

Abstract [sv]

I detta examensarbete har fördelarna med en implementering av

smörjmedel i processen att beskära rostfritt stål undersökts och

hur en sådan implementering skulle kunna sänka nötningshastigheten

av skärstålen. Olika ytprepareringar har också testats för att se

om dessa tillsammans med smörjmedlet kan sänka nötningshastigheten

ytteliggare och på så vis förlänga livslängden på skärstålen.

Smörjmedlen som testats är vattenbaserade för att inte lämna några

restprodukter kvar på ytan som kan försvåra svetsning av plåtarna

till exempel. Enligt testerna som utförts går det att se klar

förbättring av livslängden på skärstålen vid införande av

smörjmedel, ett byte av skärstålens ytpreparering ger också en

viss förbättring men den är liten och inte alls jämförbar med

förbättringen som implementeringen av smörjmedlet skulle medföra.

Place, publisher, year, edition, pages
2016. , 45 p.
Series
UPTEC Q, ISSN 1401-5773 ; 16018
National Category
Other Materials Engineering
Identifiers
URN: urn:nbn:se:uu:diva-302968OAI: oai:DiVA.org:uu-302968DiVA: diva2:970506
Educational program
Master Programme in Materials Engineering
Supervisors
Examiners
Available from: 2016-09-19 Created: 2016-09-13 Last updated: 2016-09-19Bibliographically approved

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