Cutting Force Variation of Inconel 718 in Up and Down Endmilling with Different Helix Angles.
2001
In this study, a mechanistic model of cutting force components in up and down end milling process is presented. Using this cutting force model of 4-tooth endmills with various helix angles, cutting force variation of inconel 718 has been predicted. Predicted values of cutting force components are coincide well with the measured ones. As helix angle increases, overlapping effects of the active cutting edges increase. In up endmilling the magnitudes of radial and feed cutting force componts FX and FY are lowest when the helix angle is , but in down endmilling the magnitudes of these values increase slightly as helix angle becomes large.
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