Performance optimization of spur gears by machine hammered tooth surfaces (OptiGear2)
Final Report Abstract
The aim of this project was to optimize the application behavior of cylindrical gears through defined surface structures and edge zone properties as a result of mechanical surface peening to reduce friction and wear in rolling sliding contact and to increase the tooth flank and tooth root load carrying capacity. This increased the service life of cylindrical gears in terms of rolling strength and tooth root breakage. In the first three research years in particular, the cause-and-effect relationships between hammered cylinder surfaces and friction, wear and tooth flank load carrying capacity in Disk on Disk contact were modeled and explained. In the following two years, a design model was developed for increasing the tooth flank and tooth root load-carrying capacity through mechanical surface peening.
Publications
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Inkrementelle Randzonenmodifikation von einsatzgehärteten 16MnCr5-Stirnrädern mittels maschinellem Oberflächenhämmern. In: Tribologie und Schmierungstechnik, Vol. 67, 2020, No. 2, pp. 7-14
Bergs, T.; Uhlmann, L.; Mannens, R. & Trauth, D.
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Maschinelles Oberflächen- hämmern additiver Bauteile/High-frequency mechanical surface layer finishing of laser-welded materials. Machine hammer peening of additive components. wt Werkstattstechnik online, 110(10), 728-734.
Mannens, Robby; Kammann, Sebastian; Alkhayat, Moritz; Feuerhack, Andreas; Schleifenbaum, Johannes Henrich & Bergs, Thomas
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Surface Integrity of AISI 52100 Bearing Steel after Robot-Based Machine Hammer Peening. Journal of Manufacturing and Materials Processing, 4(2), 61.
Mannens, Robby; Uhlmann, Lars; Lambers, Felix; Feuerhack, Andreas & Bergs, Thomas
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Energy-Dependent Surface Integrity of Stainless Steel AISI 304 After Robot-Based Machine Hammer Peening. The Minerals, Metals & Materials Series, 1863-1877. Springer International Publishing.
Mannens, Robby; Uhlmann, Lars; Feuerhack, Andreas & Bergs, Thomas
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Effects of machine hammer peening on case-hardened 16MnCr5 gear analogue shafts. Materials Research Proceedings, 41, 1373-1381. Materials Research Forum LLC.
DADGAR, Mohammad
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Experimental investigation of the load-carrying capacity of machine-hammered surfaces with variation of the process parameters. Tribologie und Schmierungstechnik, 71(4).
Sklenak, Sebastian; Dadgar, Mohammad; Mevissen, Dieter; Westphal, Christian; Herrig, Tim; Brecher, Christian & Bergs, Thomas
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Experimentelle Untersuchung der Tragfähigkeit von maschinell gehämmerten Oberflächen mit Variation der Prozessparameter 65. Tribologie-Fachtagung. Göttingen, 23.-25.09.2024, 2024, S. 327–331
Sklenak, S.; Dadgar, M.; Mevissen, D.; Westphal, C.; Herrig, T.; Brecher, C. & Bergs, T.
