What Every Deep Hole Drilling Operator Should Know
Start Here: The Five Rules I teach new operators five things before they run their first part. These five rules prevent most of the problems I see with new operators. Operators who follow them become good operators quickly. The ones who skip them learn the hard way, usually by scrapping a part or breaking a tool. Check coolant pressure before every cycle. Watch the chips. Inspect the guide bushing before every job. Stop the machine if something does not look or sound right. Ask for help when unsure. Rule 1: Check Coolant Pressure The coolant pressure reading at the pump is not the same as the pressure at the tool tip. Pressure drops across the filter, the rotating union, the drill tube, and the coolant holes in the drill. I have seen a pump showing 80 bar while the tool tip sees only 35 bar because of a clogged filter. ...