Ejector Drilling: When and Why to Use It
I use ejector drilling when high-pressure coolant is not available. It is the method I reach for when a customer brings in a part that needs a deep hole but the only available machine is a standard CNC mill with a through-coolant spindle. Ejector drilling is a deep hole drilling method that uses a double-tube system. It is less common than gun drilling or BTA drilling but has specific advantages that make it the right choice in certain situations. Understanding when to pick it over the alternatives saves money and time. ...