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Stability optimal selection of stock shape and tool axis in finishing of thin-wall parts

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Tunç, Lütfi Taner and Zatarain, Mikel (2019) Stability optimal selection of stock shape and tool axis in finishing of thin-wall parts. CIRP Annals - Manufacturing Technology, 68 (1). pp. 401-404. ISSN 0007-8506 (Print) 1726-0604 (Online)

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Official URL: http://dx.doi.org/10.1016/j.cirp.2019.04.096

Abstract

In 5-axis milling of thin-wall parts, flexibility of the in-process-workpiece (IPW) governs static and dynamic deflections. Thus, the stock shape left around the part and the tool axis are crucial for stability. This paper presents a methodology for selection of stock shape and tool axis for improved stability. Constant stock finishing is compared to variable stock, where a novel tool path generation approach is used to achieve the desired semi-finish shape. Effect of stock shape on IPW structure is simulated in FEM and benefits are shown. The proposed method is experimentally verified on case studies.

Item Type:Article
Uncontrolled Keywords:Computer aided manufacturing (CAM); Workpiece dynamics; Chatter
Subjects:T Technology > TS Manufactures > TS0200 Metal manufactures. Metalworking
T Technology > TJ Mechanical engineering and machinery > TJ170-179 Mechanics applied to machinery. Dynamics
T Technology > T Technology (General) > T175 Industrial research. Research and development
ID Code:39434
Deposited By:Lütfi Taner Tunç
Deposited On:04 Nov 2019 23:43
Last Modified:04 Nov 2019 23:43

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