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Master's Dissertation
DOI
https://doi.org/10.11606/D.3.1994.tde-24052024-143207
Document
Author
Full name
Sylla Benedicto Abibe Aranha
Institute/School/College
Knowledge Area
Date of Defense
Published
São Paulo, 1994
Supervisor
Committee
Tu, Carlos Chien Ching (President)
Alves, Valter Francisco Arruda
Ferreira, Aureo Campos
Title in Portuguese
Método matricial para geração de perfis de dentes em engrenagens flexíveis de harmonic drives.
Keywords in Portuguese
Engrenagens
Abstract in Portuguese
O trabalho apresenta um método matricial para geração dos perfis de dentes de engrenagens flexíveis que compõem os mecanismos denominados Harmonic Drives. O tratamento matricial possibilita a obtenção das formas dos dentes por meio da transformação de coordenadas do perfil reto de uma cremalheira de referência. São delimitados os contôrnos dos dentes, para se evitar problemas de interferência. Define-se também as equações da raiz, do fundo e do topo dos dentes. Esta abordagem permite ainda a consideração de perfis com correção, a fim de se otimizar as condições cinemáticas de engrenamento entre dentes. Os resultados são mostrados graficamente, o que permite a análise das principais características geométricas dos dentes e sua influência na resistência mecânica das engrenagens flexíveis.
Title in English
Untitled in english
Keywords in English
Gears
Abstract in English
A matrix method for generating the tooth profiles of the flexible splines of harmonic drives is described. The tooth shape is obtained by the coordinate transformation of a straight sided rack profile using matrices. Equations for the tooth root, fillet and top land are also derived.Profile corrections of the tooth are made in order to avoid interference and to optimize the kinematic conditions of teeth engagement. Graphic outputs were generated so that an analysis of the influence of the main geometric characteristics on the strength of the flexible spline can be made.
 
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Publishing Date
2024-05-27
 
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