Enter the feed rate (in/min) into the Plunge Rate Calculator. The calculator will evaluate the maximum plunge rate. 

Plunge Rate Formula

The following two example problems outline the steps and information needed to calculate the Plunge Rate.

MPR = FR * .50

  • Where MPR is the Maximum Plunge Rate (in/min)
  • FR is the feed rate (in/min) 

How to Calculate Plunge Rate?

The following example problems outline how to calculate Plunge Rate.

Example Problem #1:

  1. First, determine the feed rate (in/min). 
    • The feed rate (in/min) is given as: 30.
  2. Finally, calculate the Plunge Rate using the equation above: 

MPR = FR * .50

The values provided above are inserted into the equation below and computed.

MPR = FR * .50 = 15 (in/min)


Example Problem #2: 

For this problem, the variables required are provided below:

feed rate (in/min) = 50

Test your knowledge using the equation and check your answer with the calculator..

MPR = FR * .50 = ?