Abstract
Generating gear grinding is a hard finishing process mainly used to meet the high requirements for gears in terms of geometry and surface quality. Currently, the process force prediction is based on a combination of experimental investigations and simulation. However, the simulation of the process is still a challenge due to the complexity of the material removal mechanism which is not yet completely understood. In order to close this gap, an analysis on the micro scale level of the process is required. The aim of this work was to analyse the mechanical forces during the process considering the stochastic contact of the grains and their influence on the material removal mechanism. This influence was verified by the investigation of the specific energy k during the tests. The evaluation of specific energy k was performed by means of the analysis of the scratch geometry in combination with the process parameters as well as the grain shape. A correlation between the specific energy k and the process parameters as well as the grain shape was found, and a method for the determination of the specific energy was developed.
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Acknowledgements
The authors would like to thank the German Research Foundation (DFG) for the support of the presented research within the project: KL 500/133-1.
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de Oliveira Teixeira, P., Löpenhaus, C., Brecher, C., Klocke, F. (2019). A Multi-grain Approach for Micromechanical Contact in Grinding. In: Schmitt, R., Schuh, G. (eds) Advances in Production Research. WGP 2018. Springer, Cham. https://doi.org/10.1007/978-3-030-03451-1_37
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DOI: https://doi.org/10.1007/978-3-030-03451-1_37
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