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Turning Titanium Alloy, Grade 5 ELI, With the Implementation of High Pressure Coolant

In the machining of difficult-to-cut alloys, such as titanium-based alloys, the delivery of a cutting fluid with high pressure can increase machining efficiency and improve process stability through more efficient chip breaking and removing. Proper selection of machining conditions can increase the...

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Autores principales: Słodki, Bogdan, Zębala, Wojciech, Struzikiewicz, Grzegorz
Formato: Online Artículo Texto
Lenguaje:English
Publicado: MDPI 2019
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6427521/
https://www.ncbi.nlm.nih.gov/pubmed/30845682
http://dx.doi.org/10.3390/ma12050768
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author Słodki, Bogdan
Zębala, Wojciech
Struzikiewicz, Grzegorz
author_facet Słodki, Bogdan
Zębala, Wojciech
Struzikiewicz, Grzegorz
author_sort Słodki, Bogdan
collection PubMed
description In the machining of difficult-to-cut alloys, such as titanium-based alloys, the delivery of a cutting fluid with high pressure can increase machining efficiency and improve process stability through more efficient chip breaking and removing. Proper selection of machining conditions can increase the productivity of the process while minimizing production costs. To present the influence of cutting fluid pressure and chip breaker geometry on the chip breaking process for various chip cross-sections Grade 5 ELI titanium alloy turning tests were carried out using carbide tools, H13A grade, with a -SF chip breaker geometry under the cutting fluid pressure of 70 bar. Measurements of the total cutting force components for different cutting speeds, feeds, and cutting depth in finishing turning were carried out. The analysis of the obtained chips forms and the application area of the chip breaker have been presented. It was proved that for small depth of cut (leading to small chip cross-section) the cutting fluid pressure is the main cause of the chip breakage, since the insert chip breaker does not work. On the other hand, for bigger depths of cut where the chip breaker goes in action, the cutting fluid pressure only supports this process. For medium values of depths of cut the strength of chip is high enough so that the pressure of the cutting fluid cannot cause chip breaking. A chip groove is not filled completely so the chip breaker cannot play its role.
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spelling pubmed-64275212019-04-15 Turning Titanium Alloy, Grade 5 ELI, With the Implementation of High Pressure Coolant Słodki, Bogdan Zębala, Wojciech Struzikiewicz, Grzegorz Materials (Basel) Article In the machining of difficult-to-cut alloys, such as titanium-based alloys, the delivery of a cutting fluid with high pressure can increase machining efficiency and improve process stability through more efficient chip breaking and removing. Proper selection of machining conditions can increase the productivity of the process while minimizing production costs. To present the influence of cutting fluid pressure and chip breaker geometry on the chip breaking process for various chip cross-sections Grade 5 ELI titanium alloy turning tests were carried out using carbide tools, H13A grade, with a -SF chip breaker geometry under the cutting fluid pressure of 70 bar. Measurements of the total cutting force components for different cutting speeds, feeds, and cutting depth in finishing turning were carried out. The analysis of the obtained chips forms and the application area of the chip breaker have been presented. It was proved that for small depth of cut (leading to small chip cross-section) the cutting fluid pressure is the main cause of the chip breakage, since the insert chip breaker does not work. On the other hand, for bigger depths of cut where the chip breaker goes in action, the cutting fluid pressure only supports this process. For medium values of depths of cut the strength of chip is high enough so that the pressure of the cutting fluid cannot cause chip breaking. A chip groove is not filled completely so the chip breaker cannot play its role. MDPI 2019-03-06 /pmc/articles/PMC6427521/ /pubmed/30845682 http://dx.doi.org/10.3390/ma12050768 Text en © 2019 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).
spellingShingle Article
Słodki, Bogdan
Zębala, Wojciech
Struzikiewicz, Grzegorz
Turning Titanium Alloy, Grade 5 ELI, With the Implementation of High Pressure Coolant
title Turning Titanium Alloy, Grade 5 ELI, With the Implementation of High Pressure Coolant
title_full Turning Titanium Alloy, Grade 5 ELI, With the Implementation of High Pressure Coolant
title_fullStr Turning Titanium Alloy, Grade 5 ELI, With the Implementation of High Pressure Coolant
title_full_unstemmed Turning Titanium Alloy, Grade 5 ELI, With the Implementation of High Pressure Coolant
title_short Turning Titanium Alloy, Grade 5 ELI, With the Implementation of High Pressure Coolant
title_sort turning titanium alloy, grade 5 eli, with the implementation of high pressure coolant
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6427521/
https://www.ncbi.nlm.nih.gov/pubmed/30845682
http://dx.doi.org/10.3390/ma12050768
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