MAZAK QTN 250 CNC LATHES

Technical Description

The Mazak QTN-250 is a precision CNC horizontal turning center designed for high-speed production work. This Japanese-manufactured lathe features a robust 30-35 HP spindle motor with a maximum speed of 4000 RPM and an A2-8 spindle nose, accommodating a 3.15" bore for bar stock up to 3.05" in diameter. The machine handles workpieces up to 14.75" in turning diameter and 19.86" in length, with a generous 29.85" distance between centers. The 12-station turret indexer cycles in just 0.5 seconds, enabling rapid tool changes for efficient multi-operation sequences. Equipped with a Mazatrol 640T Nexus CNC control featuring conversational programming capabilities, the QTN-250 delivers rapid traverse rates of 1181 IPM on both X and Z axes for swift non-cutting movements. Travel specifications include 9.0" on the X-axis and 22.63" on the Z-axis. The machine comes standard with a programmable tailstock, 10" hydraulic chuck, chip conveyor, coolant system, and integrated tool presetter for automatic offset compensation. Operating on 480V three-phase electrical power at 68 amps, this turning center weighs approximately 11,000 lbs and ships at dimensions of 17' L x 7' W x 6' H. The QTN-250 represents an ideal solution for shops requiring reliable, high-precision turning capabilities with user-friendly programming and consistent repeatability.