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Title: Cutting force prediction for ball nose milling of inclined surface
Authors: Subrahmanyam, K.V.R.
San, W.Y. 
Soon, H.G. 
Sheng, H.
Keywords: Ball nose milling
Cutting coefficients
Edge coefficients
Force model
Issue Date: Apr-2010
Citation: Subrahmanyam, K.V.R., San, W.Y., Soon, H.G., Sheng, H. (2010-04). Cutting force prediction for ball nose milling of inclined surface. International Journal of Advanced Manufacturing Technology 48 (1-4) : 23-32. ScholarBank@NUS Repository.
Abstract: Ball nose milling of complex surfaces is common in the die/mould and aerospace industries. A significant influential factor in complex surface machining by ball nose milling for part accuracy and tool life is the cutting force. There has been little research on cutting force model for ball nose milling on inclined planes. Using such a model,and by considering the inclination of the tangential plane at the point of contact of the ball nose model, it is possible to predict the cutting force at the particular cutting contact point of the ball nose cutter on a sculptured surface. Hence, this paper presents a cutting force model for ball nose milling on inclined planes for given cutting conditions assuming a fresh or sharp cutter. The development of the cutting force model involves the determination of two associated coefficients: cutting and edge coefficients for a given tool and workpiece combination. A method is proposed for the determination of the coefficients using the inclined plane milling data. The geometry for chip thickness is considered based on inclined surface machining with overlapping of previous pass. The average and maximum cutting forces are considered. These two forces have been observed to be more dominating force-based parameters or features with high correlation with tool wear. The developed cutting force model is verified for various cutting conditions. © Springer-Verlag London Limited 2009.
Source Title: International Journal of Advanced Manufacturing Technology
ISSN: 02683768
DOI: 10.1007/s00170-009-2275-5
Appears in Collections:Staff Publications

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