Analysis of Tool Life Functions in Hard Turning

The relation between the technological parameters of cutting and the tool life is important information that has been described by several functions since the publication of the Taylor formula. Although the vc-T cutting speed-tool life curve has local extremes, the Taylor formula can describe correc...

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Main Authors: János Kundrák, Zoltán Pálmai, Gyula Varga
Format: Article
Language:English
Published: Faculty of Mechanical Engineering in Slavonski Brod, Faculty of Electrical Engineering in Osijek, Faculty of Civil Engineering in Osijek 2020-01-01
Series:Tehnički Vjesnik
Subjects:
Online Access:https://hrcak.srce.hr/file/340510
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author János Kundrák
Zoltán Pálmai
Gyula Varga
author_facet János Kundrák
Zoltán Pálmai
Gyula Varga
author_sort János Kundrák
collection DOAJ
description The relation between the technological parameters of cutting and the tool life is important information that has been described by several functions since the publication of the Taylor formula. Although the vc-T cutting speed-tool life curve has local extremes, the Taylor formula can describe correctly only its monotone decreasing phase, and this is typical also for the vc-T function proposed by different researchers. This paper describes the results of studies aimed at analysing the relationship proposed by Kundrák and applicable throughout the interval of the vc-T curve. It introduces cutting speed ranges, analyses their boundaries and explores the relationship between constants of the new vc-T formula and the exponent k of the Taylor formula valid for section III. These findings were verified by experiments executed on hardened steel type 100Cr6 (HRC 60 ± 2) by K10 type CBN tool.
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spelling doaj.art-e911dc41941a4973b3c2ccbbb186466c2024-04-15T16:04:09ZengFaculty of Mechanical Engineering in Slavonski Brod, Faculty of Electrical Engineering in Osijek, Faculty of Civil Engineering in OsijekTehnički Vjesnik1330-36511848-63392020-01-0127116617310.17559/TV-20190712153727Analysis of Tool Life Functions in Hard TurningJános Kundrák0Zoltán Pálmai1Gyula Varga2University of Miskolc, Institute of Manufacturing Science, H-3515 Miskolc, EgyetemvarosUniversity of Miskolc, Institute of Manufacturing Science, H-3515 Miskolc, EgyetemvarosUniversity of Miskolc, Institute of Manufacturing Science, H-3515 Miskolc, EgyetemvarosThe relation between the technological parameters of cutting and the tool life is important information that has been described by several functions since the publication of the Taylor formula. Although the vc-T cutting speed-tool life curve has local extremes, the Taylor formula can describe correctly only its monotone decreasing phase, and this is typical also for the vc-T function proposed by different researchers. This paper describes the results of studies aimed at analysing the relationship proposed by Kundrák and applicable throughout the interval of the vc-T curve. It introduces cutting speed ranges, analyses their boundaries and explores the relationship between constants of the new vc-T formula and the exponent k of the Taylor formula valid for section III. These findings were verified by experiments executed on hardened steel type 100Cr6 (HRC 60 ± 2) by K10 type CBN tool.https://hrcak.srce.hr/file/340510general tool life functionhard turningtool life functionoptimizationTaylor exponent
spellingShingle János Kundrák
Zoltán Pálmai
Gyula Varga
Analysis of Tool Life Functions in Hard Turning
Tehnički Vjesnik
general tool life function
hard turning
tool life function
optimization
Taylor exponent
title Analysis of Tool Life Functions in Hard Turning
title_full Analysis of Tool Life Functions in Hard Turning
title_fullStr Analysis of Tool Life Functions in Hard Turning
title_full_unstemmed Analysis of Tool Life Functions in Hard Turning
title_short Analysis of Tool Life Functions in Hard Turning
title_sort analysis of tool life functions in hard turning
topic general tool life function
hard turning
tool life function
optimization
Taylor exponent
url https://hrcak.srce.hr/file/340510
work_keys_str_mv AT janoskundrak analysisoftoollifefunctionsinhardturning
AT zoltanpalmai analysisoftoollifefunctionsinhardturning
AT gyulavarga analysisoftoollifefunctionsinhardturning