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Thread Calculator
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Chip Thinning Calculator
Calculate feed rate adjustments for light radial cuts in milling (HEM).
Inputs
Cutter Diameter (D)
Number of Flutes
Radial Depth of Cut / Step Over (Ae)
Target Feed/Tooth (IPT)
Spindle RPM
Calculate
Reset
Formulas used:
Adjusted IPT
= (Target IPT × D) / (2 × √(Ae × (D - Ae)))
Adjusted IPM
= Adjusted IPT × Flutes × RPM
Note: Chip thinning only occurs when the radial engagement (Ae) is less than 50% of the cutter diameter.
Results
Adjusted Table Feed Rate (IPM)
0.00 IPM
Adjusted Feed/Tooth
0.0000"
Machine Feed w/o Thinning
0.00 IPM
Feed Multiplier
1.00x