Grzegorz Struzikiewicz (Author)

Abstract

When turning titanium alloys, it is difficult to ensure the required quality with maximum machining efficiency. A typical problem in the turning process of titanium alloys is to achieve effective breaking and removal of chips from the machining zone. The combination of the new construction of cutting tools and machining methods in the machining of titanium alloys increases the efficiency of the machining. For this reason, the use of tools typical for the Prime Turning method in combination with the high-pressure cooling (HPC) method was analysed. The longitudinal turning of the Ti6Al4V ELI titanium alloy was performed using Sandvik Coromant grade 1115 carbide tools. An increase in the pressure of the cutting fluid to p = 70 bar was used. Measurements of the components of the total cutting force for finishing machining with variable cutting parameters in the range of: feed rates f = <0.1;0.4> mm/rev, cutting depth ap = <0.25;1.0> mm and cutting speed vc = <40;80> m/min were performed. It has been shown that the values of cutting force are mainly dependent on the feed and the depth of cut. An analysis of the forms of chips obtained is presented. The dependence of the applied cutting parameters on the value of the chip breakage coefficient Cch was determined. The method of searching for the maximum efficiency of the turning process was determined, taking into account the desired value of the chip breakage coefficient.

Keywords

turning;titanium alloys;cutting forces;chip form;chip breakage index;

Data

Language: English
Year of publishing:
Typology: 1.01 - Original Scientific Article
Organization: UL FS - Faculty of Mechanical Engineering
UDC: 621.9
COBISS: 187345923 Link will open in a new window
ISSN: 0039-2480
Views: 11
Downloads: 0
Average score: 0 (0 votes)
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Other data

Secondary language: Slovenian
Secondary title: Raziskava struženja titanovih zlitin z orodji Prime A v pogojih visokotlačnega hlajenja
Secondary keywords: struženje;orodja Prime A;titanove zlitine;Ti6Al4V;rezalne sile;oblika odrezka;indeks lomljenja odrezkov;
Type (COBISS): Article
Pages: str. 70-79
Volume: ǂVol. ǂ70
Issue: ǂno. ǂ1/2
Chronology: Jan.-Feb. 2024
DOI: 10.5545/sv-jme.2023.718
ID: 23041917
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