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Analytical Stability Prediction in Five Axis Ball-End Milling
Högskolan Väst, Institutionen för ingenjörsvetenskap, Avd för tillverkningsprocesser. (PTW)ORCID-id: 0000-0001-9331-7354
2013 (engelsk)Inngår i: Proceedings of the International Conference on Advanced Manufacturing Engineering and Technologies NEWTECH 2013 / [ed] Andreas Archenti and Antonio Maffei, Stockholm: KTH Royal Institute of Technology, 2013, s. 189-198Konferansepaper, Publicerat paper (Fagfellevurdert)
Abstract [en]

In five axis ball-end milling, the cutting edge is a continuous curve and the engagement with workpiece changes as the cutting tool rotates. Therefore the sensitivity to vibration varies along the cutting edge and as the tool rotates. In this paper, the vibration-force relationship (VFR) is obtained for infinitesimal length of cutting edge as a function of tool’s rotation angle. Numerical integration results in the VFR of the whole cutting edge and the tool. VFR of the tool is coupled to the dynamic vibration model of the tool and the workpiece to predict the possibility of vibrational instability. This algorithm is then used to predict the effects of changing the lead angle in a test setup with a flexible depth of cut direction. The analytical results, along with experiments demonstrate that the large lead angles considerably improve the stability of the process.

sted, utgiver, år, opplag, sider
Stockholm: KTH Royal Institute of Technology, 2013. s. 189-198
Emneord [en]
five-axis, ball-end milling, chatter, stability, lead angle
HSV kategori
Forskningsprogram
TEKNIK, Produktions- och materialteknik; Arbetsintegrerat lärande
Identifikatorer
URN: urn:nbn:se:hv:diva-5692ISBN: 978-91-7501-892-8 (tryckt)OAI: oai:DiVA.org:hv-5692DiVA, id: diva2:662174
Konferanse
International Conference on Advanced Manufacturing Engineering and Technologies NEWTECH 2013 Stockholm, Sweden 27-30 October 2013
Prosjekter
Vinnova FFI, Vibrations during Milling of think walled aerospace components
Forskningsfinansiär
VINNOVATilgjengelig fra: 2013-11-06 Laget: 2013-11-06 Sist oppdatert: 2018-08-09bibliografisk kontrollert

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