Front and back overlapped machining is possible. Realizing shorter cycle time. Front and back overlapped machining is possible with the back spindle and the back tool post. Pursuing operability, improving machining accuracy and reducing cycle time thanks to the newly developed software. Realizing complex workpiece machining by the cross drill(Max. 8,000min-1) (option) and the main spindle C-axis control (option). Guide-bush type or guide-bushless type is selectable according to workpiece. Automatic programming system prepared as standard.