Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Cutting Force When Machining Hardened Steels

Version 1 : Received: 3 December 2021 / Approved: 6 December 2021 / Online: 6 December 2021 (11:55:19 CET)

How to cite: Osička, K.; Chladil, J.; Sliwková, P.; Zouhar, J. Cutting Force When Machining Hardened Steels. Preprints 2021, 2021120062 (doi: 10.20944/preprints202112.0062.v1). Osička, K.; Chladil, J.; Sliwková, P.; Zouhar, J. Cutting Force When Machining Hardened Steels. Preprints 2021, 2021120062 (doi: 10.20944/preprints202112.0062.v1).

Abstract

This article deals primarily with the problem of determining the cutting force when machining hardened steels. Secondary issues are focused on the evaluation of surface quality on machined samples and the recommendation of cutting conditions. A wide variety of components are used in engineering, the final heat treatment of which is hardening. These components are usually critical in a particular product. The quality of these components determines the correct functioning of the entire technical equipment and ultimately its service life. In our case, these are the core parts of thrust bearings, specifically the rolling elements. The subject of the experiment is machining these components in the hardened state with cubic boron nitride tools and continuous measurement of the cutting force using a dynamometer. The following evaluation assesses the surface quality by both touch and non-touch methods. A structural equation with appropriate constant and exponents was then constructed from the data obtained using the dynamometer.

Keywords

hardened steel; cubic boron nitride; rolling body; structural equations

Subject

ENGINEERING, Mechanical Engineering

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