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Frekvensanalys av pinne-skiva maskin
KTH, School of Industrial Engineering and Management (ITM), Machine Design (Dept.).
KTH, School of Industrial Engineering and Management (ITM), Machine Design (Dept.).
KTH, School of Industrial Engineering and Management (ITM), Machine Design (Dept.).
2012 (Swedish)Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesisAlternative title
Frequency analysis of a pin-disc machine (English)
Abstract [sv]

Denna rapport utreder funktion och problematik med en pinne-skiva maskin som används på Institutionen för Maskinkonstruktion vid KTH. Denna maskin används för forskning kring nötning av bland annat bromsskivor och belägg. Maskinen har påvisat ett ojämnt beteende vid vissa driftsfall, något som utreds i denna rapport. Resultaten har inte verifierats av faktisk provning utan består enbart av modellexperiment. Vad som framgick av analysen är att problematiken förekommer vid frekvenser vida högre än maskinens egna varvtal utan är ett resultat av dess övertoner. Problematiken kan primärt identifieras kring 80 Hz. Konstruktionsförändringar för att minska problemen redovisas.

Abstract [en]

This report investigates function and problems with a pin-disc machine used at the KTH Department of Machine Design. This machine is used for research on the wear of brake discs and pads. The machine reveals an uneven behavior at certain operating conditions, which are investigated in this report. The results have not been verified by actual physical testing.What has emerged from the analysis are problems that occurs at frequencies much higher than the machine's speed but is a result of its harmonic behavior. The problem can be primarily identified around 80 Hz. Structural modifications to reduce the problems are also presented.

Place, publisher, year, edition, pages
2012. , 40 p.
TRITA-MMK, ISSN 1400-1179 ; MMKB 2012:20 MKNB 053
National Category
Mechanical Engineering
URN: urn:nbn:se:kth:diva-183038OAI: diva2:906797
Available from: 2016-03-03 Created: 2016-02-25 Last updated: 2016-03-03Bibliographically approved

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