What is the feed in inches per revolution for a four fluted end mill with a recommended chip load per tooth of 0.014 inches?

To determine the feed in inches per revolution (IPR) for a four-fluted end mill with a recommended chip load per tooth, you need to multiply the chip load by the number of cutting edges (teeth) on the end mill.

In this case, the chip load per tooth is given as 0.014 inches, and since the end mill has four flutes (or cutting edges), you multiply:

Feed (IPR) = Chip Load per Tooth × Number of Flutes

Feed (IPR) = 0.014 inches/tooth × 4 flutes = 0.056 inches/rev

The calculation results in a feed of 0.056 inches per revolution, which corresponds to the correct answer. Understanding this concept is vital for ensuring efficient and effective milling operations, as proper feed rates contribute to tool life, surface finish, and machining efficiency.