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DYNA

versão impressa ISSN 0012-7353

Resumo

GARCIA-BARBOSA, Jorge Andrés; ARROYO-OSORIO, José Manuel  e  CORDOBA-NIETO, Ernesto. The manufacture of a maxillofacial prosthesis from an axial tomography using simulation technologies with a virtual machine tool and four-axis machining. Dyna rev.fac.nac.minas [online]. 2016, vol.83, n.196, pp.100-105. ISSN 0012-7353.  http://dx.doi.org/10.15446/dyna.v83n196.49662.

The surfaces of a personalized maxillofacial prosthesis were manufactured in a relatively short period of time and at a moderate cost. The surface topography was generated with a Computer-Aided Design system from the Computerized Axial Tomography of a maxillofacial area. The design of the machining manufacturing process, its simulation and verification, were facilitated by the use of a virtual machine tool equivalent to the real machine tool available. Finally, the manufacturing process was successfully achieved by using a conventional 3-axis vertical machining center equipped with a fourth external rotational axis. Using a 3-axis machine tool with an additional axis is less expensive than using a 5-axis machine. There is abundant literature on machining of free-form surfaces using a 5-axis machine tool, but there are few precedents for the manufacturing of this kind of surface using a 4-axis machine.

Palavras-chave : process planning; simulation and verification of processes; multi-axis machining; free-form surface machining; prosthesis manufacturing.

        · resumo em Espanhol     · texto em Inglês     · Inglês ( pdf )

 

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