Machine tool

A machine tool, comprising

• a machine bed, two spaced lateral walls of the machine bed having an intermediate space in the form of a machining zone, two parallel guide rails mounted on the lateral walls of said bed, a power driven longitudinal slide adapted to run horizontally on said rails on said bed, a machining head, and a rotary drive device forming part of said head for at least one tool, said head being adapted to be power moved on the longitudinal slide in at least one further direction of movement, on which the longitudinal slide is at least partly guided, and wherein on each of the two lateral walls a fastening point is provided for at least one pivoting work holding device, the two fastening points being aligned in a horizontal line, which defines a pivot axis athwart a longitudinal direction of the guide rails;
• wherein the fastening points in the form of receiving recesses are provided with metallic bearing bushings in the machine bed, said bushings being of a cast mineral material;
• further comprising a third guide rail being arranged with a longitudinal offset in parallelism and essentially centrally between the two other guide rails, and wherein the longitudinal slide is slidingly supported on the guide rails by means of three guide elements, the power drive acting at or adjacent to the central guide rail.