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Potential of Cutting Fluid Application in Gear Hobbing of High-Strength Materials

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Abstract:

Geared components increasingly require higher torque density, driving the use of high-strength steels and necessitating stable machining processes, particularly in small and medium-sized enterprises that rely on cutting fluids. This study evaluates the performance potential of various cutting fluids in gear hobbing using a fly-cutting analogy test setup, which enables controlled and reproducible analysis of wear mechanisms of a single hob tooth. Water-based and oil-based cutting fluids, different tool substrate materials (PM-HSS, MC90, and tungsten carbide), and workpiece steels of different strength levels were systematically investigated. The results show that PM-HSS is unsuitable for machining the highest-strength material. Dry machining improved tool life, whereas the application of cutting fluids led to increased tool wear.

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Periodical:

Defect and Diffusion Forum (Volume 450)

Pages:

49-59

DOI:

https://doi.org/10.4028/p-YtwNQ4

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Online since:

April 2026

Authors:

Martin Beutner*, Matthias Hackert-Oschätzchen, Marco Eich, Bernhard Karpuschewski

Keywords:

Cutting Fluid, Gear Hobbing, Wear

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Creative Commons CC BY 4.0

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* - Corresponding Author

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