Forming of Components with Microgearings from Coil Material—Numerical Modeling of the Process Chain and Experimental Validation

Compared to alternative production methods, cold forming offers technological, economic and ecological potential for the mass production of microgears. Within the current boundaries of the technology, the cold forming of modules m < 0.2 mm is not possible due to size effects, high tool stresses a...

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Main Authors: Andreas Rohrmoser, Martin Kraus, Marion Merklein
Format: Article
Language:English
Published: MDPI AG 2021-11-01
Series:Micromachines
Subjects:
Online Access:https://www.mdpi.com/2072-666X/12/12/1456
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author Andreas Rohrmoser
Martin Kraus
Marion Merklein
author_facet Andreas Rohrmoser
Martin Kraus
Marion Merklein
author_sort Andreas Rohrmoser
collection DOAJ
description Compared to alternative production methods, cold forming offers technological, economic and ecological potential for the mass production of microgears. Within the current boundaries of the technology, the cold forming of modules m < 0.2 mm is not possible due to size effects, high tool stresses and handling problems. The investigations of this contribution present a novel process chain for the multi-step forming of microgears with a module of m = 0.1 mm. For this purpose, a numerical model of the first two steps of the process chain is set up and confirmed based on experimental forming tests. The results have proven the feasibility of the process chain by a complete forming of the gear teeth.
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spelling doaj.art-09e899ed332b4de2b8affc0e22a3d5a12023-11-23T09:35:35ZengMDPI AGMicromachines2072-666X2021-11-011212145610.3390/mi12121456Forming of Components with Microgearings from Coil Material—Numerical Modeling of the Process Chain and Experimental ValidationAndreas Rohrmoser0Martin Kraus1Marion Merklein2Department of Mechanical Engineering, Institute of Manufacturing Technology, Friedrich-Alexander-Universität Erlangen-Nürnberg, Egerlandstr. 13, 91058 Erlangen, GermanyDepartment of Mechanical Engineering, Institute of Manufacturing Technology, Friedrich-Alexander-Universität Erlangen-Nürnberg, Egerlandstr. 13, 91058 Erlangen, GermanyDepartment of Mechanical Engineering, Institute of Manufacturing Technology, Friedrich-Alexander-Universität Erlangen-Nürnberg, Egerlandstr. 13, 91058 Erlangen, GermanyCompared to alternative production methods, cold forming offers technological, economic and ecological potential for the mass production of microgears. Within the current boundaries of the technology, the cold forming of modules m < 0.2 mm is not possible due to size effects, high tool stresses and handling problems. The investigations of this contribution present a novel process chain for the multi-step forming of microgears with a module of m = 0.1 mm. For this purpose, a numerical model of the first two steps of the process chain is set up and confirmed based on experimental forming tests. The results have proven the feasibility of the process chain by a complete forming of the gear teeth.https://www.mdpi.com/2072-666X/12/12/1456micro formingmicrogearsheet-bulk metal formingmulti-step micro forming
spellingShingle Andreas Rohrmoser
Martin Kraus
Marion Merklein
Forming of Components with Microgearings from Coil Material—Numerical Modeling of the Process Chain and Experimental Validation
Micromachines
micro forming
microgear
sheet-bulk metal forming
multi-step micro forming
title Forming of Components with Microgearings from Coil Material—Numerical Modeling of the Process Chain and Experimental Validation
title_full Forming of Components with Microgearings from Coil Material—Numerical Modeling of the Process Chain and Experimental Validation
title_fullStr Forming of Components with Microgearings from Coil Material—Numerical Modeling of the Process Chain and Experimental Validation
title_full_unstemmed Forming of Components with Microgearings from Coil Material—Numerical Modeling of the Process Chain and Experimental Validation
title_short Forming of Components with Microgearings from Coil Material—Numerical Modeling of the Process Chain and Experimental Validation
title_sort forming of components with microgearings from coil material numerical modeling of the process chain and experimental validation
topic micro forming
microgear
sheet-bulk metal forming
multi-step micro forming
url https://www.mdpi.com/2072-666X/12/12/1456
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AT marionmerklein formingofcomponentswithmicrogearingsfromcoilmaterialnumericalmodelingoftheprocesschainandexperimentalvalidation