Machine tool, in particular a drilling and milling machine

Machine tool (1, 1′), in the form of a drilling and milling machine, comprising a housing (20) having a machine bed (2), together with side walls (3, 4) and doors (5, 6, 7), comprising a fixed, pivotable or rotatable work table (8, 9), and comprising a slide (10), transportable in a first direction, for the reception of a spindle head (11), said spindle head transportable in directions substantially perpendicular to the first direction, for the reception of tools, wherein

• the doors include a front door (5), which, for the enlargement of a working and loading area (21) of the machine in the upward direction, is of transomless configuration,
• a roof region (13) of the machine (1, 1′) has an automatically operable cover (16),
• a rear region (22) of the machine (1, 1′) has an integrable pallet changer (14), and the machine (1, 1′) is assigned an automatic tool changer (15).