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Artículos en revistas:
Dynamic analysis of a piezoelectric system to compensate for workpiece deformations in flexible milling
Año:2017
Áreas de investigación
  • Ingeniería mecánica, aeronaútica y naval
Datos
Descripción
This paper presents a system to compensate for workpiece deformations in flexible peripheral milling based on piezoelectric actuators, and its dynamic model. The compensation system is formed by a flexure hinge based worktable, which is moved by a piezoelectric actuator to compensate the workpiece deformation induced by cutting forces. The command signal to the actuator is calculated from measured cutting forces. When the compensation system is acting, the cutting force values from the flexible system reach the corresponding values for the rigid model, ensuring that the tool is cutting the nominal width of cut. The model considers the performance of three subsystems which interact between them during the machining process: the positioning system, the structural assembly and the flexible machining process itself. The parameter identification of the dynamic model was experimentally obtained from modal analysis and a system identification procedure. The cutting forces in the model take into account the workpiece deformation and its compensation on the instantaneous chip thickness and the width of cut. The proposed compensation system has its main application in the machining of small parts of thin walls although the methodology is applicable to larger parts.
Internacional
Si
JCR del ISI
Si
Título de la revista
Mechanical Systems And Signal Processing
ISSN
0888-3270
Factor de impacto JCR
4,116
Información de impacto
Datos JCR del año 2016
Volumen
91
DOI
10.1016/j.ymssp.2017.01.014
Número de revista
Desde la página
278
Hasta la página
294
Mes
SIN MES
Ranking
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Participantes
  • Autor: Eduardo Diez Cifuentes (UPM)
  • Autor: Erardo Leal Muñoz (UPM)
  • Autor: Hilde Perez Garcia (UPM)
  • Autor: Antonio Vizan Idoipe (UPM)
Grupos de investigación, Departamentos, Centros e Institutos de I+D+i relacionados
  • Creador: Departamento: Ingeniería Mecánica
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