Influence of additional surface finishing to the material properties and the flank load carrying capacity of case-hardened gears with grinding burn

The grinding of case-hardened gears after the heat treatment ensures a high quality regarding the gear geometry and tooth surface topography. If the limits of the gear material are exceeded during this process, the mechanical and thermal influence from the grinding operation can lead to tempering ef...

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Main Authors: Johannes KOENIG, Peter KOLLER, Thomas TOBIE, Karsten STAHL
Format: Article
Language:English
Published: The Japan Society of Mechanical Engineers 2017-12-01
Series:Journal of Advanced Mechanical Design, Systems, and Manufacturing
Subjects:
Online Access:https://www.jstage.jst.go.jp/article/jamdsm/11/6/11_2017jamdsm0075/_pdf/-char/en
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author Johannes KOENIG
Peter KOLLER
Thomas TOBIE
Karsten STAHL
author_facet Johannes KOENIG
Peter KOLLER
Thomas TOBIE
Karsten STAHL
author_sort Johannes KOENIG
collection DOAJ
description The grinding of case-hardened gears after the heat treatment ensures a high quality regarding the gear geometry and tooth surface topography. If the limits of the gear material are exceeded during this process, the mechanical and thermal influence from the grinding operation can lead to tempering effects and re-hardening of the gear teeth. As part of the research project FVA (Forschungsvereinigung Antriebstechnik e.V.) 453 (Schwienbacher et al., 2007), the influence of grinding burn on the flank load carrying capacity has been investigated. As a result, a surface factor has been proposed to allow a consideration of the negative influence on the flank load carrying capacity due to grinding burn. However, for most applications, the flank load carrying capacity of the unimpaired tooth flank must be provided to ensure a safe operation. Within the project FVA 453 II (Koller et al., 2012b), the potential of superfinishing, shot peening and re-grinding, respectively, as a repairing method were evaluated experimentally. The main results of this project will be summarized in this paper.
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spelling doaj.art-022dcaf73cea493db5dd4116018bf9b92022-12-22T03:38:58ZengThe Japan Society of Mechanical EngineersJournal of Advanced Mechanical Design, Systems, and Manufacturing1881-30542017-12-01116JAMDSM0075JAMDSM007510.1299/jamdsm.2017jamdsm0075jamdsmInfluence of additional surface finishing to the material properties and the flank load carrying capacity of case-hardened gears with grinding burnJohannes KOENIG0Peter KOLLER1Thomas TOBIE2Karsten STAHL3Gear Research Centre (FZG), Technical University of Munich (TUM)Bayerische Motoren Werke AG (BMW)Gear Research Centre (FZG), Technical University of Munich (TUM)Gear Research Centre (FZG), Technical University of Munich (TUM)The grinding of case-hardened gears after the heat treatment ensures a high quality regarding the gear geometry and tooth surface topography. If the limits of the gear material are exceeded during this process, the mechanical and thermal influence from the grinding operation can lead to tempering effects and re-hardening of the gear teeth. As part of the research project FVA (Forschungsvereinigung Antriebstechnik e.V.) 453 (Schwienbacher et al., 2007), the influence of grinding burn on the flank load carrying capacity has been investigated. As a result, a surface factor has been proposed to allow a consideration of the negative influence on the flank load carrying capacity due to grinding burn. However, for most applications, the flank load carrying capacity of the unimpaired tooth flank must be provided to ensure a safe operation. Within the project FVA 453 II (Koller et al., 2012b), the potential of superfinishing, shot peening and re-grinding, respectively, as a repairing method were evaluated experimentally. The main results of this project will be summarized in this paper.https://www.jstage.jst.go.jp/article/jamdsm/11/6/11_2017jamdsm0075/_pdf/-char/engrindinggearsflank load carrying capacitysuperfinishingshot peening
spellingShingle Johannes KOENIG
Peter KOLLER
Thomas TOBIE
Karsten STAHL
Influence of additional surface finishing to the material properties and the flank load carrying capacity of case-hardened gears with grinding burn
Journal of Advanced Mechanical Design, Systems, and Manufacturing
grinding
gears
flank load carrying capacity
superfinishing
shot peening
title Influence of additional surface finishing to the material properties and the flank load carrying capacity of case-hardened gears with grinding burn
title_full Influence of additional surface finishing to the material properties and the flank load carrying capacity of case-hardened gears with grinding burn
title_fullStr Influence of additional surface finishing to the material properties and the flank load carrying capacity of case-hardened gears with grinding burn
title_full_unstemmed Influence of additional surface finishing to the material properties and the flank load carrying capacity of case-hardened gears with grinding burn
title_short Influence of additional surface finishing to the material properties and the flank load carrying capacity of case-hardened gears with grinding burn
title_sort influence of additional surface finishing to the material properties and the flank load carrying capacity of case hardened gears with grinding burn
topic grinding
gears
flank load carrying capacity
superfinishing
shot peening
url https://www.jstage.jst.go.jp/article/jamdsm/11/6/11_2017jamdsm0075/_pdf/-char/en
work_keys_str_mv AT johanneskoenig influenceofadditionalsurfacefinishingtothematerialpropertiesandtheflankloadcarryingcapacityofcasehardenedgearswithgrindingburn
AT peterkoller influenceofadditionalsurfacefinishingtothematerialpropertiesandtheflankloadcarryingcapacityofcasehardenedgearswithgrindingburn
AT thomastobie influenceofadditionalsurfacefinishingtothematerialpropertiesandtheflankloadcarryingcapacityofcasehardenedgearswithgrindingburn
AT karstenstahl influenceofadditionalsurfacefinishingtothematerialpropertiesandtheflankloadcarryingcapacityofcasehardenedgearswithgrindingburn