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Publication type: Article in scientific journal
Type of review: Peer review (publication)
Title: Increasing the safety against scuffing of additive manufactured gear wheels by internal cooling channels
Authors: Dennig, Hans-Jörg
Zumofen, Livia
Stierli, Daniel
Kirchheim, Andreas
Winterberg, Simon
et. al: No
DOI: 10.1007/s10010-021-00515-5
Published in: Forschung im Ingenieurwesen
Volume(Issue): 86
Issue: 3
Page(s): 595
Pages to: 604
Issue Date: 13-Sep-2021
Publisher / Ed. Institution: Springer
ISSN: 0015-7899
Language: English
Subjects: Additive manufacturing; Zahnrad; Gear
Subject (DDC): 670: Manufacturing
Abstract: The layer-by-layer principle of the additive manufacturing (AM) technology of Laser-Powder-Bed-Fusion (LPBF) creates new opportunities in the design and manufacturing of efficient gear components. For example, integrating a cooling system can increase the safety against scuffing or reduce the amount of required lubrication and thus the splashing losses. Quenched and tempered steels or case-hardened steels are commonly used in the fabrication of gear components. However, the availability of these alloys for LPBF processing is still limited. The development of suitable LPBF metal gears (with a Gear Research Centre (FZG) type A geometry) out of quenched and tempered 30CrNiMo8 steel with internal cooling channels shows the possibility of significantly increasing the safety factor against scuffing. This work includes the development of a suitable cooling strategy, material development, the setup of a suitable test infrastructure and the analysis of the LPBF gears tested for scuffing.
Further description: Erworben im Rahmen der Schweizer Nationallizenzen (
Fulltext version: Published version
License (according to publishing contract): CC BY 4.0: Attribution 4.0 International
Departement: School of Engineering
Organisational Unit: Centre for Product and Process Development (ZPP)
Appears in collections:Publikationen School of Engineering

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