How to calculate speeds and feeds accurately

How to calculate speeds and feeds accurately

This week we go back to basics with a quick review on how to properly calculate speeds and feeds. Surface feet per minute (SFM), revolution per minute (RPM), inches per minute (IPM), and inches per revolution (IPR) are all covered in this quick tutorial. You’re never too experienced to get a basic refresher on speeds and feeds.

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Directions for Use

  1. Enter your data parameters into the fields on the left
  2. Click the green arrow in the center of the calculator
  3. Your answers will appear in the fields on the right
-- change calculator using buttons below -- Tap Drill MM Tap Drill RPM SFPM Helix Angle

Tap Drill Size




MM Tap Drill




RPM



SFPM



Helix Angle