Dimensional Accuracy and Surface Quality of AZ91D Magnesium Alloy Components after Precision Milling

This study investigates a precision milling process conducted with the use of conventional end mills and a standard CNC (Computer Numerical Control) machine tool. Milling tests were performed on samples of AZ91D magnesium alloy using TiB<sub>2</sub>- and TiAlN-coated three-edge end mills...

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Autores principales:	Jarosław Korpysa, Józef Kuczmaszewski, Ireneusz Zagórski
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	magnesium alloys precision milling dimensional accuracy surface roughness Technology T Electrical engineering. Electronics. Nuclear engineering TK1-9971 Engineering (General). Civil engineering (General) TA1-2040 Microscopy QH201-278.5 Descriptive and experimental mechanics QC120-168.85
Acceso en línea:	https://doaj.org/article/7e7eab8d2f8d415784e8ee1235190d0d
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spelling	oai:doaj.org-article:7e7eab8d2f8d415784e8ee1235190d0d2021-11-11T18:01:16ZDimensional Accuracy and Surface Quality of AZ91D Magnesium Alloy Components after Precision Milling10.3390/ma142164461996-1944https://doaj.org/article/7e7eab8d2f8d415784e8ee1235190d0d2021-10-01T00:00:00Zhttps://www.mdpi.com/1996-1944/14/21/6446https://doaj.org/toc/1996-1944This study investigates a precision milling process conducted with the use of conventional end mills and a standard CNC (Computer Numerical Control) machine tool. Milling tests were performed on samples of AZ91D magnesium alloy using TiB<sub>2</sub>- and TiAlN-coated three-edge end mills measuring 16 mm in diameter. The following technological parameters were made variable: cutting speed, feed per tooth and axial depth of cut. The effects of precision milling were evaluated by analysing the scatter of dimension values obtained in successive tool passes. In addition to that, deviations from the assumed nominal depth as well as obtained ranges of dimension varation were analysed. The study also examined surface quality obtained in the precision milling process, based on the basic surface roughness parameters: Ra, Rz and RSm. Results have confirmed that the use of conventional cutting tools and a standard CNC machine tool makes it possible to manufacture components characterized by relatively small scatter of dimension values and high accuracy classes. Additionally, the results have shown that the type of tool coating and variations of individual technological parameters exert impact on the dimensional accuracy and surface quality obtained.Jarosław KorpysaJózef KuczmaszewskiIreneusz ZagórskiMDPI AGarticlemagnesium alloysprecision millingdimensional accuracysurface roughnessTechnologyTElectrical engineering. Electronics. Nuclear engineeringTK1-9971Engineering (General). Civil engineering (General)TA1-2040MicroscopyQH201-278.5Descriptive and experimental mechanicsQC120-168.85ENMaterials, Vol 14, Iss 6446, p 6446 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	magnesium alloys precision milling dimensional accuracy surface roughness Technology T Electrical engineering. Electronics. Nuclear engineering TK1-9971 Engineering (General). Civil engineering (General) TA1-2040 Microscopy QH201-278.5 Descriptive and experimental mechanics QC120-168.85
spellingShingle	magnesium alloys precision milling dimensional accuracy surface roughness Technology T Electrical engineering. Electronics. Nuclear engineering TK1-9971 Engineering (General). Civil engineering (General) TA1-2040 Microscopy QH201-278.5 Descriptive and experimental mechanics QC120-168.85 Jarosław Korpysa Józef Kuczmaszewski Ireneusz Zagórski Dimensional Accuracy and Surface Quality of AZ91D Magnesium Alloy Components after Precision Milling
description	This study investigates a precision milling process conducted with the use of conventional end mills and a standard CNC (Computer Numerical Control) machine tool. Milling tests were performed on samples of AZ91D magnesium alloy using TiB<sub>2</sub>- and TiAlN-coated three-edge end mills measuring 16 mm in diameter. The following technological parameters were made variable: cutting speed, feed per tooth and axial depth of cut. The effects of precision milling were evaluated by analysing the scatter of dimension values obtained in successive tool passes. In addition to that, deviations from the assumed nominal depth as well as obtained ranges of dimension varation were analysed. The study also examined surface quality obtained in the precision milling process, based on the basic surface roughness parameters: Ra, Rz and RSm. Results have confirmed that the use of conventional cutting tools and a standard CNC machine tool makes it possible to manufacture components characterized by relatively small scatter of dimension values and high accuracy classes. Additionally, the results have shown that the type of tool coating and variations of individual technological parameters exert impact on the dimensional accuracy and surface quality obtained.
format	article
author	Jarosław Korpysa Józef Kuczmaszewski Ireneusz Zagórski
author_facet	Jarosław Korpysa Józef Kuczmaszewski Ireneusz Zagórski
author_sort	Jarosław Korpysa
title	Dimensional Accuracy and Surface Quality of AZ91D Magnesium Alloy Components after Precision Milling
title_short	Dimensional Accuracy and Surface Quality of AZ91D Magnesium Alloy Components after Precision Milling
title_full	Dimensional Accuracy and Surface Quality of AZ91D Magnesium Alloy Components after Precision Milling
title_fullStr	Dimensional Accuracy and Surface Quality of AZ91D Magnesium Alloy Components after Precision Milling
title_full_unstemmed	Dimensional Accuracy and Surface Quality of AZ91D Magnesium Alloy Components after Precision Milling
title_sort	dimensional accuracy and surface quality of az91d magnesium alloy components after precision milling
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/7e7eab8d2f8d415784e8ee1235190d0d
work_keys_str_mv	AT jarosławkorpysa dimensionalaccuracyandsurfacequalityofaz91dmagnesiumalloycomponentsafterprecisionmilling AT jozefkuczmaszewski dimensionalaccuracyandsurfacequalityofaz91dmagnesiumalloycomponentsafterprecisionmilling AT ireneuszzagorski dimensionalaccuracyandsurfacequalityofaz91dmagnesiumalloycomponentsafterprecisionmilling
_version_	1718431953364975616

Dimensional Accuracy and Surface Quality of AZ91D Magnesium Alloy Components after Precision Milling

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