Radial Chip Thinning (RCTF) & Feed Compensation Calculator
Calculate Radial Chip Thinning Factor (RCTF), compensated advance feed per tooth (fz), and table feed rate (IPM or mm/min) for CNC end mills and high-efficiency milling (HEM) paths when radial width of cut is less than 50% tool diameter.
Milling Tool & Cut Parameters
Inches
Inches
in/flute
RPM
Compensated Table Feed
RCTF: 1.67x (+66.7%)
120.0 IPM
Base uncompensated feed: 72.0 IPM (48.0 IPM boost)
Compensated Feed per Tooth
0.0050 in
Maintains true 0.0030" chip thickness
Radial Stepover %
10.0%
ae / D ratio: 0.100
Metric Machining Feed Rates
Compensated Feed Rate:
3,048 mm / min
Uncompensated Feed Rate:
1,829 mm / min