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Generation of segmental chips in metal cutting modeled with the PFEM
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Mechanics of Solid Materials.ORCID iD: 0000-0003-3865-1426
International Center for Numerical Methods in Engineering (CIMNE), Barcelona.
Escola Tècnica Superior d’Enginyeries Industrial i Aeronàutica de Terrassa; International Center for Numerical Methods in Engineering (CIMNE), Barcelona .
E.T.S dEnginyers de Camins, Canals i Ports, Technical University of Catalonia (BarcelonaTech), Barcelona; International Center for Numerical Methods in Engineering (CIMNE), Barcelona.
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2018 (English)In: Computational Mechanics, ISSN 0178-7675, E-ISSN 1432-0924, Vol. 61, no 6, p. 639-655Article in journal (Refereed) Published
Abstract [en]

The Particle Finite Element Method, a lagrangian finite element method based on a continuous Delaunay re-triangulation of the domain, is used to study machining of Ti6Al4V. In this work the method is revised and applied to study the influence of the cutting speed on the cutting force and the chip formation process. A parametric methodology for the detection and treatment of the rigid tool contact is presented. The adaptive insertion and removal of particles are developed and employed in order to sidestep the difficulties associated with mesh distortion, shear localization as well as for resolving the fine-scale features of the solution. The performance of PFEM is studied with a set of different two-dimensional orthogonal cutting tests. It is shown that, despite its Lagrangian nature, the proposed combined finite element-particle method is well suited for large deformation metal cutting problems with continuous chip and serrated chip formation.

Place, publisher, year, edition, pages
2018. Vol. 61, no 6, p. 639-655
National Category
Applied Mechanics
Research subject
Solid Mechanics
Identifiers
URN: urn:nbn:se:ltu:diva-65476DOI: 10.1007/s00466-017-1442-zISI: 000433223500001OAI: oai:DiVA.org:ltu-65476DiVA, id: diva2:1138231
Note

Validerad;2018;Nivå 2;2018-06-01 (rokbeg)

Available from: 2017-09-04 Created: 2017-09-04 Last updated: 2018-06-19Bibliographically approved

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Rodriguez Prieto, J. M.Jonsén, P.

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