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Experimental evaluation of polycrystalline diamond (PCD) tool geometries at high feed rate in milling of titanium alloy TC11
KTH, School of Industrial Engineering and Management (ITM), Production Engineering. Harbin Univ Sci & Technol, Harbin 150080, Peoples R China.ORCID iD: 0000-0002-9642-6983
KTH, School of Industrial Engineering and Management (ITM), Production Engineering. Harbin Univ Sci & Technol, Harbin 150080, Peoples R China.ORCID iD: 0000-0001-8679-8049
2015 (English)In: The International Journal of Advanced Manufacturing Technology, ISSN 0268-3768, E-ISSN 1433-3015, Vol. 77, no 9-12, 1549-1555 p.Article in journal (Refereed) Published
Abstract [en]

Titanium alloys are widely used in aerospace industrial components characterised by high material removal rate, of which the machining efficiency is a big issue. Targeting the problem, this paper presents the experimental findings of milling of titanium alloy TC11 using polycrystalline diamond (PCD) cutting tool at high feed rate. First, in order to verify the capability of PCD in finish milling of titanium alloys at high feed rate, the surface roughness R-a is investigated under different PCD tool geometries (radial rake angle, axial rake angle and insert sharp radius), and the results indicate that its range is from 0.821 to 1.562 mu m, which is suitable to titanium components. Also, the main tool failure patterns, cutting edge fracture and flank face wear, are observed and classified. Based on the tool failure patterns, the relationship between tool life and tool geometries is established. In order to explain the reasons of tool failures, the relationships between cutting forces and the tool geometries are made clear. Finally, the processes of flank face wear and rake face wear of PCD insert are proposed to show its wear evaluations.

Place, publisher, year, edition, pages
2015. Vol. 77, no 9-12, 1549-1555 p.
National Category
Control Engineering
Identifiers
URN: urn:nbn:se:kth:diva-164431DOI: 10.1007/s00170-014-6517-9ISI: 000351519100002Scopus ID: 2-s2.0-84913569233OAI: oai:DiVA.org:kth-164431DiVA: diva2:807978
Note

QC 20150427

Available from: 2015-04-27 Created: 2015-04-17 Last updated: 2017-12-04Bibliographically approved

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Wang, Lihui

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