Robust Design of Sounds in Mechanical Mechanisms

Annemette Boegedal Jensen, Natasja Munch, Thomas J. Howard, Søren Nygaard Pedersen

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Abstract

Current practices for creating a desired sound by a mechanical mechanism are irrelative design-build-test processes. It seems that very little guidance is available relating design to the sound output. The focus of this study was to identify, which parameters that affect the sound output of a click mechanism consisting of a toothed rack and a click arm. First several geometries of the teeth and the click arm’s head were investigated to identify the most robust and repeatable design. It was found that a flat surface in the valleys between the teeth is very beneficial in relation to repeatability. Design of Experiments was used to identify the sensitivity of all the dimensions of the parts. Here, it was found that many dimensions have an impact on the response e.g. the arm length, the tooth height and the gap between the parts. The results provide a useful basis for a sound-design guide for click mechanisms.
Original languageEnglish
Title of host publicationProceedings of the ASME 2015 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference IDETC/CIE 2015
Number of pages11
PublisherAmerican Society of Mechanical Engineers
Publication date2015
Article numberDETC2015-46441
ISBN (Print)978-0-7918-5714-4
DOIs
Publication statusPublished - 2015
EventASME 2015 International Design Engineering Technical Conferences & Computers and Information in Engineering Conference - Boston, United States
Duration: 2 Aug 20155 Aug 2015
http://www.asmeconferences.org/IDETC2015/

Conference

ConferenceASME 2015 International Design Engineering Technical Conferences & Computers and Information in Engineering Conference
CountryUnited States
CityBoston
Period02/08/201505/08/2015
Internet address

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