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Transmission error as gear noise excitation
KTH, School of Engineering Sciences (SCI), Aeronautical and Vehicle Engineering.
2010 (English)In: DETC2009: PROCEEDINGS OF THE ASME INTERNATIONAL DESIGN ENGINEERING TECHNICAL CONFERENCES/COMPUTERS AND INFORMATION IN ENGINEERING CONFERENCE, NEW YORK: AMER SOC MECHANICAL ENGINEERS , 2010, 197-203 p.Conference paper, Published paper (Refereed)
Abstract [en]

Traditionally, transmission error (TE) has been used in order to asses the noise properties of gears. Measurements of gear noise for a complete truck gearbox have been used to correlate noise from a gear parr with the concept of calculated static transmission error as noise excitation. Two gear pairs with very similar macro geometry but different micro geometry was used. Both transmission error as excitation and the excitation proposed by P Velex and M. Ajmi which is the difference between the loaded and unloaded transmission error; are compared with measured noise. The result shows that the difference between the loaded and unloaded TE correlates well with measure noise for gear pair A but no excitation correlates with the measurement result gear pair B. A big difference between gear pair A and B can be seen in the contact pattern. The contact pattern of gear pair B shows that despite a large tip relief edge contact occurs where the tip relief starts. This can be one explanation to the lack of correlation between TE and the measurement result for gear pair B. Another explanation can be other excitations such as friction and bending moments. The results show the limitations of only considering transmission error when designing quiet gears.

Place, publisher, year, edition, pages
NEW YORK: AMER SOC MECHANICAL ENGINEERS , 2010. 197-203 p.
Keyword [en]
Contact pattern, Edge contacts, Gear noise, Measurement results, Micro geometry, Noise excitation, Noise properties, Static transmission errors, Transmission error, Bending (deformation)
National Category
Vehicle Engineering
Identifiers
URN: urn:nbn:se:kth:diva-29201DOI: 10.1115/DETC2009-86695ISI: 000283272400022Scopus ID: 2-s2.0-77953741286OAI: oai:DiVA.org:kth-29201DiVA: diva2:393655
Conference
ASME International Design Engineering Technical Conferences/Computers and Information in Engineering Conference, San Diego, CA, AUG 30-SEP 02, 2009
Note
QC 20110131Available from: 2011-01-31 Created: 2011-01-27 Last updated: 2011-01-31Bibliographically approved

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CiteExportLink to record
Permanent link

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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