Spindle RPM from Surface Speed: SFM, m/min & Tool Diameter
This lesson is part of the course
In this lesson
You turn illustrative surface speeds into spindle RPM for seven inch tools, compare the exact formula with the ×4 shop shortcut, cap the speed at the machine limit and do the same for four metric tools.
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Lessons in this course
- Inch, Millimetre & Fraction Conversions for the Shop Floor Locked
- Spindle RPM from Surface Speed: SFM, m/min & Tool Diameter Locked
- Feed Rate: IPM = RPM × Chip Load × Flutes, Cut Time & MRR Locked
- Tolerances & Limits: Max/Min Sizes, Pass/Fail and Fits Locked
- Bolt Circle Coordinates with SIN, COS & a Scatter Plot Locked
- Taper Calculations: Taper per Inch, per Foot, Angle with ATAN & Tailstock Offset Locked
- Drill Point Depth & Sine Bar Setups Locked
- Cycle Time & Job Quote with a Chart Locked