ORIGINAL RESEARCH article
Front. Mech. Eng.
Sec. Solid and Structural Mechanics
Volume 11 - 2025 | doi: 10.3389/fmech.2025.1680007
Research and modelling of the high-speed milling process of heat-resistant high-alloy steel
Provisionally accepted
Bakhytzhan Donenbayev1
Karibek Sherov2Bakhtiyor Mardonov3Lutfiddin Makhmudov3Sabit Magavin2
Asset Rakishev1*Aibek Sherov2- 1Abylkas Saginov Karaganda Technical University, Karaganda, Kazakhstan
- 2S Seifullin Kazakh Agro Technical Research University, Astana, Kazakhstan
- 3Navoi State University of Mining and Technologies, Navoi, Uzbekistan
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This study investigates the high-speed milling behaviour of heat-resistant high-alloy steel 15Kh12VMF through combined experimental testing and finite element simulation. Experimental results demonstrated that increasing spindle speed from 3000 to 6000 revolutions per minute reduced surface roughness by up to 18%, while higher feed rates and cutting depths increased it by up to 25% and 32%, respectively. The optimal parameters for high-speed milling were identified as a spindle speed of 6000 revolutions per minute, a cutting depth of 2 millimetres, and a feed rate of 1500 millimetres per minute. Premature tool wear was observed at spindle speeds above 6000-7000 revolutions per minute, associated with elevated cutting zone temperatures. Numerical modelling in ANSYS Workbench predicted a peak temperature of 291.47 °C at the tool–workpiece interface, with constant temperature thereafter, and quantified cutting forces in the range of –2500 N to +7500 N across axes. These findings provide validated reference data and modelling insights for optimising high-speed milling of martensitic-ferritic steels.
Keywords: High-speed milling, heat-resistant high-alloy steel, Machinability, Experimental study, numerical simulation
Received: 05 Aug 2025; Accepted: 29 Aug 2025.
Copyright: © 2025 Donenbayev, Sherov, Mardonov, Makhmudov, Magavin, Rakishev and Sherov. This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) or licensor are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.
* Correspondence: Asset Rakishev, Abylkas Saginov Karaganda Technical University, Karaganda, Kazakhstan
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