Modular machine tool for series machining of parts in a bar

A modular machine tool for machining series of parts from a bar of raw material, said machine tool comprising at least one module equipped with at least one machining station, means for transporting a bar of raw material in position and maintaining said bar in position, an indexing device for forming indexing marks on said bar, said machining station comprising at least one machining unit having independent drive means adapted to displace said machining unit with respect to said bar of raw material, each said module being provided with a rigid chassis comprising a rectilinear connecting beam disposed parallel to said bar of raw material, said machining station forming a part of said module being swingably mounted on said connecting beam, and said chassis comprising a lower frame forming a case and an upper prism-shaped frame, said lower frame being configured to contain at least one of a lubricating unit and means for the removal of chips, said upper frame comprising said connecting beam and end elements connecting said beam to said lower frame.