Analysis of tribological behavior of surface modifications for a dry deep drawing process

Henneberg J, Rothammer B, Zhao R, Vorndran M, Tenner J, Krachenfels K, Häfner T, Tremmel S, Schmidt M, Merklein M (2019)

Publication Language: English

Publication Type: Journal article, Original article

Publication year: 2019


Book Volume: 5

Pages Range: 13-24


Open Access Link:


The global trend towards more environment-friendly and sustainable production motivates the development of efficient manufacturing processes. Forming technology has great potential regarding that due to its high material efficiency. Research is necessary to improve the sustainability of established forming processes such as deep drawing. One possibility to improve the environmental friendliness of deep drawing is the realization of lubricant-free processes. This avoids the usage of harmful lubricants. Additionally, it has the potential to shorten process chains by eliminating cleaning steps. However, dry deep drawing is associated with challenges. Due to the lack of a lubricant between tool and workpiece, friction and wear increase. An approach to overcome these challenges is the usage of modified tool surfaces. In this context, the aim of this research is to investigate dry deep drawing operations under application-oriented conditions. Firstly, the cause-effect relationships between the properties and tribological performance for a-C:H and ta-C coating systems as well as laserbased micro-textures are investigated in strip drawing tests using the workpiece materials DC04 and AA5182. Therefore, different amorphous carbon coating approaches for DC04 and AA5182 are evaluated. Beside of coatings, diverse laser micro-texturings are investigated and applied on forming tools. Key parameters are identified, which result in low friction and adhesion. Based on these findings, the different modifications are evaluated. Promising modifications are selected and applied in a novel test rig under application-oriented conditions to analyze their durability. The test rig enables the time- and material-efficient forming of a great number of parts. In this regard, in addition to the occurring process forces, the tool and component topographies are determined at periodic intervals in order to derive the cause-effect relationships between friction, wear and component quality as well as to demonstrate the feasibility of dry deep drawing operations under application-oriented forming conditions.

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Henneberg, J., Rothammer, B., Zhao, R., Vorndran, M., Tenner, J., Krachenfels, K.,... Merklein, M. (2019). Analysis of tribological behavior of surface modifications for a dry deep drawing process. Dry Metal Forming Open Access Journal, 5, 13-24.


Henneberg, Johannes, et al. "Analysis of tribological behavior of surface modifications for a dry deep drawing process." Dry Metal Forming Open Access Journal 5 (2019): 13-24.

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