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Reglerbara skovlar på pumphjul

The thesis investigates if it is possible to replace several pumpimpellers with one controllable pumpimpeller, with a economical and a manufacturing analisys aspect. The studied pumpimpeller is mounted on a midrange wastewaterpump, N3127MT. In the thesis a contemplated manufacturing process is evaluated for a concept that are supposed to act as a controllable pumpimpeller. The pumpimpeller are studied in a manufacturing and flow matter and are presented in the thesis. The manufacturing cost is also estimated, and this has been compared to the storage cost and other costs that the existing pumpimpeller generates. The thesis also shows that the concept has minor losses in cutting quality aswell as the effiency comparing to the existing pumpimpeller. The concept also raises the manufacturing cost and this increasing cost makes the presented concept to expensive to carry through. An investigation of the costs that the existing pumpimpeller produces has also been done, and this shows that there is not that much expenses to earn regarding to for example the storage cost. The storage cost includes information from Flygt’s central storagecenter in Lindas, Sweden and Metz, France, and also an inventory about the pumpimpellers located at Flygt’s different distributors worldwide. The thesis shows that a controllable pumpimpeller will generally increase the cost for the pumpimpeller and the performance of the pumpimpeller will decrease.

Identiferoai:union.ndltd.org:UPSALLA1/oai:DiVA.org:liu-5633
Date January 2006
CreatorsRagnarsson, Tobias
PublisherLinköpings universitet, Institutionen för konstruktions- och produktionsteknik, Linköpings universitet
Source SetsDiVA Archive at Upsalla University
LanguageSwedish
Detected LanguageEnglish
TypeStudent thesis, info:eu-repo/semantics/bachelorThesis, text
Formatapplication/pdf
Rightsinfo:eu-repo/semantics/openAccess

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