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Reduction of vibrations during horizontal milling of aluminum parts: An Experimental and Numerical Study
KTH, School of Industrial Engineering and Management (ITM), Production Engineering.
2012 (English)Independent thesis Advanced level (degree of Master (Two Years)), 20 credits / 30 HE creditsStudent thesis
Abstract [en]

This thesis aims at vibration problem during milling operation. Vibration sets in at tool- workpiece interface if certain conditions are achieved. Research has been carried out try to reduce or eliminate chatter. Chatter decreases the dimensional accuracy and surface finish of workpiece.

Main objective is to examine the source of vibration and provide as solution to problem based on the findings. CAD Model of workpiece and clamping has been developed as close to real system as possible. Experimental modal analysis and Finite Element analysis is done to obtain system behaviour during vibration. Natural frequencies are determined and then compared with possible sources of excitation.

Modal testing and computer simulations are done before and after Final cutting operations to map out complete behaviour of system. Both forced excitation and self-excited vibrations are taken in consideration during measurements. Finally calculations are done to determine the solution and give recommendations. Suggestions for future work in this area are also provided that could enable SAAB to analyse and improve machining of all parts.

Place, publisher, year, edition, pages
2012. , 64 p.
Series
Degree Project in Production Engineering, Second Level, 532
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:kth:diva-119505OAI: oai:DiVA.org:kth-119505DiVA: diva2:611103
Subject / course
Production Engineering
Educational program
Master of Science - Production Engineering and Management
Uppsok
Technology
Supervisors
Examiners
Available from: 2013-03-14 Created: 2013-03-14 Last updated: 2013-03-14Bibliographically approved

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CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf