Modeling of machining operations based on the Virtual Machine Tool concept

Frédéric Cugnon, Luke Berglind, Denys Plakhotnik, Erdem Ozturk

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Abstract

This paper focusses on dynamic modeling of machine tools. Particular attention is given to integration of Computer Numeric Control (CNC) model, and interactions with machining process. In real machining conditions, modern machine tools show close interaction between dynamic behavior of mechanical structure, drives, and CNC. Mechatronic simulations are done thanks to an integrated methodology that combines control and Multibody System (MBS) capabilities in a nonlinear Finite Element solver (FEA). Force interactions between cutting tool and workpiece are also considered. To achieve this end, a specialized cutting force element has been developed. It considers dynamics of the tool tip combined with the tool workpiece engagement to generate cutting forces that are applied on the structural model. The capacity of such digital twin model to simulate complex machining operations is demonstrated considering several applications.
Original languageEnglish
Number of pages17
Publication statusPublished - 2018
Externally publishedYes
Event5th Joint International Conference on Multibody System Dynamics, IMSD 2018 - Instituto Superior Técnico (IST), Lisboa, Portugal
Duration: 24 Jun 201828 Jun 2018
Conference number: 5
http://imsd2018.tecnico.ulisboa.pt/

Conference

Conference5th Joint International Conference on Multibody System Dynamics, IMSD 2018
Abbreviated titleIMSD
CountryPortugal
CityLisboa
Period24/06/1828/06/18
Internet address

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