CNC Deep Hole Drilling: Machine Types Compared
I’ve run deep hole drilling machines from most of the major builders — TBT, UNISIG, Mollart, Chinese machines, and some custom-built ones. They all drill holes, but each type has its strengths depending on what you’re making. Here’s how I think about the different machine categories. Single-Spool CNC Gun Drills This is the most common type you’ll see in a job shop. A single-spindle machine with a CNC control, capable of drilling diameters from maybe 1mm to 50mm depending on the build. ...