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https://repositorio.ufba.br/handle/ri/6147
Tipo: | Artigo de Periódico Artigo de Periódico |
Título: | A method for evaluating spindle rotation errors of machine tools using a laser interferometer |
Título(s) alternativo(s): | MEASUREMENT |
Autor(es): | Castro, Heber Ferreira Franco de |
Autor(es): | Castro, Heber Ferreira Franco de |
Abstract: | This paper presents a method for assessing radial and axial error motions of spindles. It uses the Hewlett Packard 5529A laser interferometer. The measurement is made using reflection directly from a high-precision sphere. Such object is used as the optical reflector. The sphere is affixed at the end of a wobble device, which is clamped in the spindle. The principle of measurement is similar to that of a linear interferometer, except that the high-precision sphere is used in place of the usual retroreflector. A convergent lens is utilized to focus the laser beam to a small spot on the sphere surface. This minimizes the dispersion of the beam due to the reflection on the spherical surface. A software package has been developed for data acquisition and presentation of the error motion polar plots of the spindle. Application of this spindle error calibrator on a CNC machining centre is undertaken. The results are presented and discussed. |
Palavras-chave: | Spindle rotation errors Laser interferometer Machine accuracy Spindle metrology |
URI: | http://www.repositorio.ufba.br/ri/handle/ri/6147 |
Data do documento: | 2008 |
Aparece nas coleções: | Artigo Publicado em Periódico (PEI) |
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