Abstract
Shear angle and friction angle are the two characteristic parameters in orthogonal cutting model. This paper investigated effects of feed per tooth on shear angle and friction angle in orthogonal milling of titanium alloy Ti6Al4V by experimental approach. Three different straight tooth milling tool with different rake angles are used in this research. Experimental results reveals that in orthogonal milling of Ti6Al4V alloy, shear angle will decrease with increase of feed per tooth and friction angle will increase with increase of feed per tooth. And then variation of shear angle and friction angle affect the values of force coefficients. The experimental results provide deep understand of basic physical phenomenon in milling process and sheds light on more accurate cutting force modeling.
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