Cross-Training Operators on Gun Drill and BTA Machines

Cross-training operators to run both gun drilling and BTA machines increases shop flexibility. When one operator is out, another can step in without losing production time. In my shop, we run both processes daily, and before I implemented the cross-training program, we had three dedicated gun drill operators and two dedicated BTA operators who could not cover each other. One sick call meant a machine sat idle. Training Timeline and Structure The training takes about 2-3 weeks for an operator who already knows one machine type. The trainee learns the differences in tooling, parameters, and troubleshooting between the two processes. I break the training into three phases: observation, supervised operation, and independent operation. ...

June 16, 2026 · Engineer at the Deep Hole

Training Program for New Deep Hole Drilling Operators

Training new deep hole drilling operators takes about 3 to 4 weeks before they can work independently. I use a structured program that builds skills gradually. In my experience, rushing the program produces operators who can push the green button but cannot diagnose a problem. That costs more in scrapped parts than the extra two weeks of training. Week One: Machine Fundamentals Week 1 covers the basics. The operator learns every machine component, the safety systems, the coolant system operation, and tool handling. By the end of week one, the operator can inspect a gun drill under a 10x magnifier, install a guide bushing correctly, and start and stop the machine safely. ...

June 12, 2026 · Engineer at the Deep Hole

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. ...

June 11, 2026 · Engineer at the Deep Hole