Please use this identifier to cite or link to this item: https://doi.org/10.1016/S0924-0136(01)00628-8
Title: Investigation of chip formation in high speed end milling
Authors: Ning, Y.
Rahman, M. 
Wong, Y.S 
Keywords: Adiabatic shear
Ball-nose end mill
Chatter
Chip formation mechanism
High speed machining
Issue Date: 15-Jun-2001
Citation: Ning, Y., Rahman, M., Wong, Y.S (2001-06-15). Investigation of chip formation in high speed end milling. Journal of Materials Processing Technology 113 (1-3) : 360-367. ScholarBank@NUS Repository. https://doi.org/10.1016/S0924-0136(01)00628-8
Abstract: Ball-nose end mill cutters are used extensively in the die and mold industry. However, very little work has been done in the research of chip formation in high speed ball-nose end milling. An experimental investigation has been conducted in this study to establish the chip formation mechanism. Common mold steel H13 hardened to HRc 55 is machined on a high speed machining center under dry conditions at a spindle speed range of 10-30k rpm. Four typical types of chip and three types of chatter have been encountered in this study. Images of the chips are obtained by the use of SEM. The EDX method is used to analyze the interaction between the cutting edge and the chip in the formation process. Based on the findings of this study, the chip formation mechanism has been proposed in this paper. The locus of cutter movement for the three types of chatter is illustrated to explain the relationship between the chip formation and the chatter behavior. A method to judge process stability by analysis of the chip has been suggested based on the findings of the experiment. It has also been established through this study that the classical "adiabatic shear" does not occur in chip formation in high speed ball-nose end milling. © 2001 Elsevier Science B.V.
Source Title: Journal of Materials Processing Technology
URI: http://scholarbank.nus.edu.sg/handle/10635/86000
ISSN: 09240136
DOI: 10.1016/S0924-0136(01)00628-8
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