This cnc drilling machine is double-spindle drilling simultaneous, high efficiency. Two kinds of drilling needs as option, BTA drill or gun drill. The deep hole drilling machine can clamp work piece diameter 4000mm, and drill hole deep 750mm.

These types of cnc machines mainly used to process deep holes on the tube plate of heat exchanger for petrochemical, boiler, and thermoelectricity industries.

The cnc drilling machine using carbide external chips cleaning gun drill or internal chips cleaning BTA drill, with advanced technology, high processing accuracy, and stable quality.

The precision cnc machining can process max. diameter 4000mm tube sheet. The cnc drilling machine for tube plates used for heat exchanger is wih two spindles. The deep drills can drill max. diameter is 40mm. The max. depth of drilling is 800mm. The rotation speed of spindle is 2500r/m.