Abstract
GH4169 is a difficult-to-cut nickel-based superalloy commonly used in aerospace industry. This paper presents a cutting force prediction model in the end milling of GH4169 superalloy with carbide tools by orthogonal experiment. The variance analysis is applied to check the significance of the model, accuracy of the model is verified by experiment. The effect of cutting parameters on the cutting force is also studied. The results show that the prediction model is reliable. Among all four parameters the most influential parameter is axial depth of cut, followed by feed per tooth. The cutting force decreases as the cutting speed increases. On the contrary, the cutting force increases as the feed per tooth, axial depth of cut and radial depth of cut increase.
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