Effect of Pick Feed on Machining Characteristic of Up Cutting in the High-Efficient Machining by Small Diameter Radius End Mill

Hisaaki Nakai; Takekazu Sawa; Masahiro Anzai

doi:10.4028/www.scientific.net/KEM.825.31

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Effect of Pick Feed on Machining Characteristic of Up Cutting in the High-Efficient Machining by Small Diameter Radius End Mill

Abstract:

In order to improve efficiency of high speed milling, effects of pick feeds of up cutting and down cutting on tool wear and processing characteristics were investigated after cutting pre-hardened steel NAK 55 by TiAlN-coated carbide radius end mill. Flank wear of the tools after up cutting was less than down cutting when the pick feed was smaller than 0.1 mm, which tendency changed when the pick feed was larger than 0.3 mm.