Questions About Drilling

Most pnuematic drills require a minimum of 80 psi to actuate, with a max of 120 psi.

Your voluum rate is addiquate for the drill. Plus, your drill should, but not always, do have a built in setting valve which allows for a veriable drill rate. this is usually located at the sqweeze trigger on the handles. If you do a search on the web for pnuematic brills, I would assure you many pages of references.

Maximo

Suppose that you have the answers to all of your questions here, do you really believe you now know how to drill?.

Based on the nature and level of your questions, you don't have a clue.

An advise from a 20 years of drilling experience, If you are asking these questions, you would be much better off getting a driller to teach you. You are playing a dangerous game.

Wangito.

What are you drilling? Wells, mine shaft, steel parts, concrete, aluminum, brass, etc, etc.

A hammer drill is not generally used for all of the above materials. Each requires a different approach, and variuos types of bits.

The speeds and feeds you choose also depend on the material you are trying to drill.

CFMs are extremely important with pneumatic tools of any kind, combined with the recommended pressure. Most compressors at high pressures will have reduced CFMs, and higher CFMs at lower pressures.