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Process Stability Strategies in Milling of Thin-walled Inconel 718
University West, Department of Engineering Science, Division of Production Engineering. (PTW)
University West, Department of Engineering Science, Division of Production Engineering. (PTW)ORCID iD: 0000-0001-9331-7354
University West, Department of Engineering Science, Division of Production Engineering. (PTW)
University West, Department of Engineering Science, Division of Production Engineering. (PTW)ORCID iD: 0000-0003-1408-2249
2011 (English)In: 4th Manufacturing Engineering Society International Conference / [ed] Manufacturing Engineering Society, 2011, 1-8- p.Conference paper, (Refereed)
Abstract [en]

Trends in Aerospace development have led to thin-walled, reduced-weight engine designs. The demands in manufacturing have forced production speeds and material removal rates (MRR) to increase. As component wall thickness gets thinner, the consequence oftentimes is an increase in chatter vibrations. This paper suggests that a correctly chosen tool-to-workpiece offset geometry may lead to a robust and chatter free process. The results show the differences in force response for three geometries while varying the height overhang of the workpiece. This is part of a concerted effort to develop a robust methodology for the prediction of chatter vibrations during milling operations of thin-walled Aerospace components. This paper gives guidelines on how to accomplish robust machining practices. It also answers the following questions: How critical is the choice of offset between tool and workpiece during milling setup? And what effects do the entry and exit of cut have on system vibrations?

Abstract [es]

Las tendencias en el desarrollo aeroespacial han resultado en diseño de motores con paredes delgadas y peso reducido. Las exigencias en la fabricación han forzado la velocidad de producción y las tasas de eliminación de material (MRR) para aumentar. Como las paredes del componente se hacen más delgadas, a menudo la consecuencia es un aumento de las vibraciones charla. Este artículo sugiere que una selección correcta de herramientas a la geometría de la pieza de compensación pueda dar lugar a un proceso robusto y libre de charla. Los resultados muestran las diferencias en la respuesta de la fuerza de tres geometrías diferentes, mientras variando el exceso de altura de la pieza. Esto es parte de un esfuerzo concertado para desarrollar una metodología robusta para la predicción de vibraciones charla durante las operaciones de fresado de componentes aeroespaciales de paredes delgadas. Este documento da pautas sobre cómo llevar a cabo prácticas robustas de mecanizado. También responde a las siguientes preguntas: ¿Qué importancia tiene la opción de la compensación entre la herramienta y la pieza durante la molienda de configuración? ¿Y qué efectos tienen la entrada y salida de la corte sobre las vibraciones del sistema?

Place, publisher, year, edition, pages
2011. 1-8- p.
Keyword [en]
Thin-wall, Inconel 718, Chatter, Machining Vibrations
Keyword [es]
Pared delgada, Inconel 718, charla, vibraciones de mecanizado
National Category
Manufacturing, Surface and Joining Technology
Research subject
ENGINEERING, Manufacturing and materials engineering
Identifiers
URN: urn:nbn:se:hv:diva-3735OAI: oai:DiVA.org:hv-3735DiVA: diva2:460593
Conference
MESIC 2011
Projects
Robust Machining
Available from: 2012-01-02 Created: 2011-09-28 Last updated: 2016-11-21Bibliographically approved

Open Access in DiVA

WANNER MESIC 2011 PUBLISHED(542 kB)270 downloads
File information
File name FULLTEXT08.pdfFile size 542 kBChecksum SHA-512
315d77b1a5bd62e86c361c43a0aa19f21985b95f82ada04cfbd7e6967bd9acc58c235583973fac49d59a262a5be5877f72059eb5fcd86ad275833076a35e5a5d
Type fulltextMimetype application/pdf

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Citation style
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