What happenes if the drill bit is spinning while the material is too?

Question

Hi guys, I always had the question what would happen if the drill bit is spinning while the material you are drilling is too?

I asked many people I work with who operate the drilling machines at our company, but nobody would give me a good answer for it.

I really want to know what you think about this:)

In: 0

Answer 1

Speed is relative. If the drill bit is spinning with 1000 rpm, the material with 500 rpm then the drill only has 500 rpm of speed relative to the material.