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Dynamic effects on cutting forces with highly positive versus highly negative cutting edge geometries
University West, Department of Engineering Science, Division of Subtractive and Additive Manufacturing. Seco Tools, Fagersta, Sweden. (PTW)ORCID iD: 0000-0003-3876-2361
University West, Department of Engineering Science, Division of Subtractive and Additive Manufacturing. (PTW)ORCID iD: 0000-0001-9331-7354
Lund University, Production and Materials Engineering, Lund, Sweden.
University West, Department of Engineering Science, Division of Subtractive and Additive Manufacturing. (PTW)
2019 (English)In: International Journal on Interactive Design and Manufacturing, ISSN 1955-2513, E-ISSN 1955-2505Article in journal (Refereed) Epub ahead of print
Abstract [en]

Understanding the influence of the cutting edge geometry on the development of cutting forces during the milling process is of high importance in order to predict the mechanical loads on the cutting edge as well as the dynamic behavior on the milling tool. The work conducted in this study involves the force development over the entire engagement of a flute in milling, from peak force during the entry phase until the exit phase. The results show a significant difference in the behavior of the cutting process for a highly positive versus a highly negative cutting edge geometry. The negative edge geometry gives rise to larger force magnitudes and very similar developments of the tangential and radial cutting force. The positive cutting edge geometry produces considerably different developments of the tangential and radial cutting force. In case of positive cutting edge geometry, the radial cutting force increases while the uncut chip thickness decreases directly after the entry phase; reaching the peak value after a certain delay. The radial force fluctuation is significantly higher for the positive cutting edge geometry. The understanding of such behavior is important for modelling of the milling process, the design of the cutting edge and the interactive design of digital applications for the selection of the cutting parameters.

Place, publisher, year, edition, pages
Springer, 2019.
Keywords [en]
Milling, Cutting force, Cutting edge geometry, Frequency spectrum, RMS
National Category
Manufacturing, Surface and Joining Technology
Research subject
ENGINEERING, Manufacturing and materials engineering; Production Technology
Identifiers
URN: urn:nbn:se:hv:diva-13302DOI: 10.1007/s12008-018-0513-5OAI: oai:DiVA.org:hv-13302DiVA, id: diva2:1276414
Funder
Knowledge Foundation
Note

First Online: 11 December 2018

Funders: Seco Tools

Available from: 2019-01-08 Created: 2019-01-08 Last updated: 2019-03-05Bibliographically approved

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Agic, AdnanEynian, MahdiBeno, Tomas

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