Influence of Coolant Pressure Size on Surface Roughness when Stainless Steel Machining

The paper is focused on the influence of the coolant pressure on the surface roughness of the workpiece when machining stainless steels. The components were machined on a STAR SR-32J dual spindle machining center and an external cooling unit HYTEK CHAV 160/150-AF-F-OL was used for cooling. Two stain...

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Main Authors: Cep Robert, Cepova Lenka, Borzan Cristina Stefana, Kasal Jiri, Sadilek Marek, Sokova Dagmar, Hatala Michal, Petru Jana, Stancekova Dana, Pagac Marek, Hajnys Jiri, Mizera Ondrej
Format: Article
Language:English
Published: EDP Sciences 2019-01-01
Series:MATEC Web of Conferences
Online Access:https://www.matec-conferences.org/articles/matecconf/pdf/2019/48/matecconf_mtem2019_04002.pdf
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author Cep Robert
Cepova Lenka
Borzan Cristina Stefana
Kasal Jiri
Sadilek Marek
Sokova Dagmar
Hatala Michal
Petru Jana
Stancekova Dana
Pagac Marek
Hajnys Jiri
Mizera Ondrej
author_facet Cep Robert
Cepova Lenka
Borzan Cristina Stefana
Kasal Jiri
Sadilek Marek
Sokova Dagmar
Hatala Michal
Petru Jana
Stancekova Dana
Pagac Marek
Hajnys Jiri
Mizera Ondrej
author_sort Cep Robert
collection DOAJ
description The paper is focused on the influence of the coolant pressure on the surface roughness of the workpiece when machining stainless steels. The components were machined on a STAR SR-32J dual spindle machining center and an external cooling unit HYTEK CHAV 160/150-AF-F-OL was used for cooling. Two stainless steel components were investigated, namely the gas control valve rod and the high-pressure control valve housing, which require low roughness Ra after machining (less than 0.375 and 0.25 micrometers respectively). The first component was tested at 8 different pressures in the range of 150 bar - 10 bar and the second component at 4 different pressures in the range of 120 bar - 10 bar. The roughness parameters were measured by the contact method using the MITUTOYO Surftest SJ-410 Roughness Tester and the Alicona InfiniteFocus optical microscope. Based on these sample input parameters, it was evaluated howmuch the pressure affects the surface quality or suggested its reduction due to the high cost of operation of the external high-pressure equipment.
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spelling doaj.art-3a7008aa23914f089e74d91df7199d102022-12-21T23:50:54ZengEDP SciencesMATEC Web of Conferences2261-236X2019-01-012990400210.1051/matecconf/201929904002matecconf_mtem2019_04002Influence of Coolant Pressure Size on Surface Roughness when Stainless Steel MachiningCep RobertCepova LenkaBorzan Cristina StefanaKasal JiriSadilek MarekSokova DagmarHatala MichalPetru JanaStancekova DanaPagac MarekHajnys JiriMizera OndrejThe paper is focused on the influence of the coolant pressure on the surface roughness of the workpiece when machining stainless steels. The components were machined on a STAR SR-32J dual spindle machining center and an external cooling unit HYTEK CHAV 160/150-AF-F-OL was used for cooling. Two stainless steel components were investigated, namely the gas control valve rod and the high-pressure control valve housing, which require low roughness Ra after machining (less than 0.375 and 0.25 micrometers respectively). The first component was tested at 8 different pressures in the range of 150 bar - 10 bar and the second component at 4 different pressures in the range of 120 bar - 10 bar. The roughness parameters were measured by the contact method using the MITUTOYO Surftest SJ-410 Roughness Tester and the Alicona InfiniteFocus optical microscope. Based on these sample input parameters, it was evaluated howmuch the pressure affects the surface quality or suggested its reduction due to the high cost of operation of the external high-pressure equipment.https://www.matec-conferences.org/articles/matecconf/pdf/2019/48/matecconf_mtem2019_04002.pdf
spellingShingle Cep Robert
Cepova Lenka
Borzan Cristina Stefana
Kasal Jiri
Sadilek Marek
Sokova Dagmar
Hatala Michal
Petru Jana
Stancekova Dana
Pagac Marek
Hajnys Jiri
Mizera Ondrej
Influence of Coolant Pressure Size on Surface Roughness when Stainless Steel Machining
MATEC Web of Conferences
title Influence of Coolant Pressure Size on Surface Roughness when Stainless Steel Machining
title_full Influence of Coolant Pressure Size on Surface Roughness when Stainless Steel Machining
title_fullStr Influence of Coolant Pressure Size on Surface Roughness when Stainless Steel Machining
title_full_unstemmed Influence of Coolant Pressure Size on Surface Roughness when Stainless Steel Machining
title_short Influence of Coolant Pressure Size on Surface Roughness when Stainless Steel Machining
title_sort influence of coolant pressure size on surface roughness when stainless steel machining
url https://www.matec-conferences.org/articles/matecconf/pdf/2019/48/matecconf_mtem2019_04002.pdf
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