Comparison of Chemical and Mechanical Surface Treatments on Metallic Precision Spheres for Using as Optical Reference Artifacts

[EN] The improvement of industrial manufacturing processes requires measurement procedures and part inspection tasks to be faster and faster while remaining effective. In this sense, the capabilities of noncontact measuring systems are of great help, not only because of the great amount of data they...

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Autores: Meana Díaz, Víctor Manuel, Cuesta González, Eduardo, Álvarez Álvarez, Braulio José, Giganto Fernández, Sara, Martínez Pellitero, Susana
Tipo de recurso: artículo
Estado:Versión aceptada para publicación
Fecha de publicación:2022
País:España
Institución:Universidad de León
Repositorio:BULERIA. Repositorio Institucional de la Universidad de León
OAI Identifier:oai:buleria.unileon.es:10612/20267
Acceso en línea:https://hdl.handle.net/10612/20267
Access Level:acceso abierto
Palabra clave:Ingeniería industrial
Química
Laser scanning
Reference spheres
Chemical attack (etching)
Sandblasting
3310.03 Procesos Industriales
3303.03 Procesos Químicos
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spelling Comparison of Chemical and Mechanical Surface Treatments on Metallic Precision Spheres for Using as Optical Reference ArtifactsMeana Díaz, Víctor ManuelCuesta González, EduardoÁlvarez Álvarez, Braulio JoséGiganto Fernández, SaraMartínez Pellitero, SusanaIngeniería industrialQuímicaLaser scanningReference spheresChemical attack (etching)Sandblasting3310.03 Procesos Industriales3303.03 Procesos Químicos[EN] The improvement of industrial manufacturing processes requires measurement procedures and part inspection tasks to be faster and faster while remaining effective. In this sense, the capabilities of noncontact measuring systems are of great help, not only because of the great amount of data they provide but also for the ease of the integration of these systems as well as their automation, minimising the impact on the industry. This work presents a comparative study on the influence of two surface treatments performed on low-cost, high-precision metallic spheres on the suitability of these spheres to be used as artefacts for the calibration of optical sensors, specifically laser triangulation sensors. The first surface treatment is sandblasting (a mechanical process), whose effect has been studied and presented in previous work. The second treatment focused on in this paper is acid etching (a chemical process). The comparison has been performed by evaluating the same metrological characteristics on two identical groups of spheres of similar type (diameter and accuracy), each of which was subjected to a different treatment. It was necessary to obtain the reference values of the metrological parameters with high accuracy, which involved measuring the spheres with a coordinate measuring machine (CMM) by contact probing. Likewise, spheres were scanned by a laser triangulation sensor mounted on the same CMM. The results derived from both the contact and laser measurements and before and after treating the surfaces were used to compare four parameters: point density, sphere diameter, sphere form deviation, and standard deviation of the best-fit sphere to the corresponding point cloud. This research has revealed that acid etching produces better optical qualities on the surfaces than the mirror-like original ones, thus enhancing the laser sensor capturing ability. However, such chemical etching has affected the metrological characteristics of the spheres to a greater extent than that produced by sandblasting. This difference is due to the variability of the chemical etching, caused by the high aggressiveness of the acid, which makes the process very sensitive to the time of exposure to the acid and the orientations of the spheres in the bath.SIUniversity Institute of Industrial Technology of Asturias, IUTA, through the research project ref. SV-21-GIJON-1-06.MDPIIngenieria de los Procesos de FabricacionEscuela de Ingenierias Industrial, Informática y Aeroespacial2022info:eu-repo/semantics/articleinfo:eu-repo/semantics/acceptedVersionhttps://hdl.handle.net/10612/20267reponame:BULERIA. Repositorio Institucional de la Universidad de Leóninstname:Universidad de LeónIngléshttp://creativecommons.org/licenses/by/4.0/info:eu-repo/semantics/openAccessoai:buleria.unileon.es:10612/202672026-06-24T12:43:27Z
dc.title.none.fl_str_mv Comparison of Chemical and Mechanical Surface Treatments on Metallic Precision Spheres for Using as Optical Reference Artifacts
title Comparison of Chemical and Mechanical Surface Treatments on Metallic Precision Spheres for Using as Optical Reference Artifacts
spellingShingle Comparison of Chemical and Mechanical Surface Treatments on Metallic Precision Spheres for Using as Optical Reference Artifacts
Meana Díaz, Víctor Manuel
Ingeniería industrial
Química
Laser scanning
Reference spheres
Chemical attack (etching)
Sandblasting
3310.03 Procesos Industriales
3303.03 Procesos Químicos
title_short Comparison of Chemical and Mechanical Surface Treatments on Metallic Precision Spheres for Using as Optical Reference Artifacts
title_full Comparison of Chemical and Mechanical Surface Treatments on Metallic Precision Spheres for Using as Optical Reference Artifacts
title_fullStr Comparison of Chemical and Mechanical Surface Treatments on Metallic Precision Spheres for Using as Optical Reference Artifacts
title_full_unstemmed Comparison of Chemical and Mechanical Surface Treatments on Metallic Precision Spheres for Using as Optical Reference Artifacts
title_sort Comparison of Chemical and Mechanical Surface Treatments on Metallic Precision Spheres for Using as Optical Reference Artifacts
dc.creator.none.fl_str_mv Meana Díaz, Víctor Manuel
Cuesta González, Eduardo
Álvarez Álvarez, Braulio José
Giganto Fernández, Sara
Martínez Pellitero, Susana
author Meana Díaz, Víctor Manuel
author_facet Meana Díaz, Víctor Manuel
Cuesta González, Eduardo
Álvarez Álvarez, Braulio José
Giganto Fernández, Sara
Martínez Pellitero, Susana
author_role author
author2 Cuesta González, Eduardo
Álvarez Álvarez, Braulio José
Giganto Fernández, Sara
Martínez Pellitero, Susana
author2_role author
author
author
author
dc.contributor.none.fl_str_mv Ingenieria de los Procesos de Fabricacion
Escuela de Ingenierias Industrial, Informática y Aeroespacial
dc.subject.none.fl_str_mv Ingeniería industrial
Química
Laser scanning
Reference spheres
Chemical attack (etching)
Sandblasting
3310.03 Procesos Industriales
3303.03 Procesos Químicos
topic Ingeniería industrial
Química
Laser scanning
Reference spheres
Chemical attack (etching)
Sandblasting
3310.03 Procesos Industriales
3303.03 Procesos Químicos
description [EN] The improvement of industrial manufacturing processes requires measurement procedures and part inspection tasks to be faster and faster while remaining effective. In this sense, the capabilities of noncontact measuring systems are of great help, not only because of the great amount of data they provide but also for the ease of the integration of these systems as well as their automation, minimising the impact on the industry. This work presents a comparative study on the influence of two surface treatments performed on low-cost, high-precision metallic spheres on the suitability of these spheres to be used as artefacts for the calibration of optical sensors, specifically laser triangulation sensors. The first surface treatment is sandblasting (a mechanical process), whose effect has been studied and presented in previous work. The second treatment focused on in this paper is acid etching (a chemical process). The comparison has been performed by evaluating the same metrological characteristics on two identical groups of spheres of similar type (diameter and accuracy), each of which was subjected to a different treatment. It was necessary to obtain the reference values of the metrological parameters with high accuracy, which involved measuring the spheres with a coordinate measuring machine (CMM) by contact probing. Likewise, spheres were scanned by a laser triangulation sensor mounted on the same CMM. The results derived from both the contact and laser measurements and before and after treating the surfaces were used to compare four parameters: point density, sphere diameter, sphere form deviation, and standard deviation of the best-fit sphere to the corresponding point cloud. This research has revealed that acid etching produces better optical qualities on the surfaces than the mirror-like original ones, thus enhancing the laser sensor capturing ability. However, such chemical etching has affected the metrological characteristics of the spheres to a greater extent than that produced by sandblasting. This difference is due to the variability of the chemical etching, caused by the high aggressiveness of the acid, which makes the process very sensitive to the time of exposure to the acid and the orientations of the spheres in the bath.
publishDate 2022
dc.date.none.fl_str_mv 2022
dc.type.none.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/acceptedVersion
format article
status_str acceptedVersion
dc.identifier.none.fl_str_mv https://hdl.handle.net/10612/20267
url https://hdl.handle.net/10612/20267
dc.language.none.fl_str_mv Inglés
language_invalid_str_mv Inglés
dc.rights.none.fl_str_mv http://creativecommons.org/licenses/by/4.0/
info:eu-repo/semantics/openAccess
rights_invalid_str_mv http://creativecommons.org/licenses/by/4.0/
eu_rights_str_mv openAccess
dc.publisher.none.fl_str_mv MDPI
publisher.none.fl_str_mv MDPI
dc.source.none.fl_str_mv reponame:BULERIA. Repositorio Institucional de la Universidad de León
instname:Universidad de León
instname_str Universidad de León
reponame_str BULERIA. Repositorio Institucional de la Universidad de León
collection BULERIA. Repositorio Institucional de la Universidad de León
repository.name.fl_str_mv
repository.mail.fl_str_mv
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score 15,300724

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