Working Paper Article Version 1 This version is not peer-reviewed

Hardened Steels and Their Machining

Version 1 : Received: 22 January 2021 / Approved: 25 January 2021 / Online: 25 January 2021 (10:15:37 CET)

A peer-reviewed article of this Preprint also exists.

Osička, K.; Chladil, J. Hardened Steels and Their Machining. Crystals 2021, 11, 182. Osička, K.; Chladil, J. Hardened Steels and Their Machining. Crystals 2021, 11, 182.


This article discusses the issue of hardened steel machining. Many components in the engineering industry use hardening as the final heat treatment. These components usually occupy a significant position in a given assembly unit. They guarantee the correct operation of the entire technical equipment in total cooperation with other components. The quality of these components depends on the integrity of their surface. The production of these parts is usually carried out by traditional technological procedures. An example of such a technology is clearly grinding. However, this article discusses the application of other finishing technologies using tool material made of cubic boron nitride (CBN). The technology used is finishing turning with subsequent tumbling technology. The subject of the evaluation is the integrity of the surface. In this part of the experiments, there are mainly individual parameters of surface roughness. Compared components are bearing rings, in this case the inner surface of the housing ring.


finishing, turning; hardened steel; cubic boron nitride; bearing ring


Chemistry and Materials Science, Biomaterials

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