Optimized use of cooling holes to decrease the amount of thermal damage on a plastic gear tooth

The full potential of plastic gear usage is limited by not only poor mechanical properties but also equally poor temperature limits and poor heat conduction properties. Cooling holes were developed to decrease the amount of thermal damage on the contact surface. These cooling holes promote increased...

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Main Authors: Demagna Koffi, Alencar Bravo, Lotfi Toubal, Fouad Erchiqui
Format: Article
Language:English
Published: SAGE Publishing 2016-05-01
Series:Advances in Mechanical Engineering
Online Access:https://doi.org/10.1177/1687814016638824
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author Demagna Koffi
Alencar Bravo
Lotfi Toubal
Fouad Erchiqui
author_facet Demagna Koffi
Alencar Bravo
Lotfi Toubal
Fouad Erchiqui
author_sort Demagna Koffi
collection DOAJ
description The full potential of plastic gear usage is limited by not only poor mechanical properties but also equally poor temperature limits and poor heat conduction properties. Cooling holes were developed to decrease the amount of thermal damage on the contact surface. These cooling holes promote increased stress and tooth deflection, thus exerting a negative effect. This article compares various cooling holes for plastic gear configurations and proposes novel cooling holes. Thermal and mechanical simulations that consider specific aspects of plastic gear meshing were performed. The main objective of this article was to verify the best methods for reducing thermal damage through cooling holes. The results indicate the best compromise between the temperature reduction and the mechanical properties of the new tooth geometry. The results also indicate that the simple variations in the cooling holes proposed can improve tooth performance.
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spelling doaj.art-b0d793f1724d46b4ba2ee4398dc5cef82022-12-21T20:17:16ZengSAGE PublishingAdvances in Mechanical Engineering1687-81402016-05-01810.1177/168781401663882410.1177_1687814016638824Optimized use of cooling holes to decrease the amount of thermal damage on a plastic gear toothDemagna Koffi0Alencar Bravo1Lotfi Toubal2Fouad Erchiqui3Laboratory of Mechanics and Eco-Materials, University of Quebec at Trois-Rivières, Trois-Rivières, QC, CanadaLaboratory of Mechanics and Eco-Materials, University of Quebec at Trois-Rivières, Trois-Rivières, QC, CanadaLaboratory of Mechanics and Eco-Materials, University of Quebec at Trois-Rivières, Trois-Rivières, QC, CanadaLaboratory of Biomaterials, University of Quebec at Abitibi-Témiscamingue, Rouyn-Noranda, QC, CanadaThe full potential of plastic gear usage is limited by not only poor mechanical properties but also equally poor temperature limits and poor heat conduction properties. Cooling holes were developed to decrease the amount of thermal damage on the contact surface. These cooling holes promote increased stress and tooth deflection, thus exerting a negative effect. This article compares various cooling holes for plastic gear configurations and proposes novel cooling holes. Thermal and mechanical simulations that consider specific aspects of plastic gear meshing were performed. The main objective of this article was to verify the best methods for reducing thermal damage through cooling holes. The results indicate the best compromise between the temperature reduction and the mechanical properties of the new tooth geometry. The results also indicate that the simple variations in the cooling holes proposed can improve tooth performance.https://doi.org/10.1177/1687814016638824
spellingShingle Demagna Koffi
Alencar Bravo
Lotfi Toubal
Fouad Erchiqui
Optimized use of cooling holes to decrease the amount of thermal damage on a plastic gear tooth
Advances in Mechanical Engineering
title Optimized use of cooling holes to decrease the amount of thermal damage on a plastic gear tooth
title_full Optimized use of cooling holes to decrease the amount of thermal damage on a plastic gear tooth
title_fullStr Optimized use of cooling holes to decrease the amount of thermal damage on a plastic gear tooth
title_full_unstemmed Optimized use of cooling holes to decrease the amount of thermal damage on a plastic gear tooth
title_short Optimized use of cooling holes to decrease the amount of thermal damage on a plastic gear tooth
title_sort optimized use of cooling holes to decrease the amount of thermal damage on a plastic gear tooth
url https://doi.org/10.1177/1687814016638824
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AT alencarbravo optimizeduseofcoolingholestodecreasetheamountofthermaldamageonaplasticgeartooth
AT lotfitoubal optimizeduseofcoolingholestodecreasetheamountofthermaldamageonaplasticgeartooth
AT fouaderchiqui optimizeduseofcoolingholestodecreasetheamountofthermaldamageonaplasticgeartooth