A machining center, comprising: a number N of workpiece tables equal to or greater than three, a number N of first guides, which extend parallel to a first direction; along said first guides being movable respective to workpiece tables, one for each first guide, a number N−1 of second guides, which extend parallel to a second direction transverse to said first direction, a number N−1 of machining groups each comprising at least one machining head; each machining group being movable parallel to said second direction along a respective second guide; a number N×(N−1) of machining areas wherein the machining groups can operate on workpieces present on said tables; along each first guide, or for a respective table, there being present N−1 machining areas, one for each machining group, so that each machining group can operate, according to a programmed work cycle, on all said N workpiece tables, a number N of workpiece loading/unloading areas, one for each workpiece table.

A machining center includes a number N of workpiece tables. A number N of first guides extend parallel to a first direction. Along the first guides is movable respective to workpiece tables, one for each first guide. A number N-1 of second guides extend parallel to a second direction transverse to the first direction. A number N-1 of machining groups each include at least one machining head. Each machining group is movable parallel to the second direction along a respective second guide. A number N×(N-1) of machining areas is provided. The machining groups can operate on workpieces present on the tables. Along each first guide, or for a respective table, there is present N-1 machining areas, one for each machining group, so that each machining group can operate, according to a programmed work cycle, on all the N workpiece tables.

A workpiece change for use in a machine tool that comprises a tool spindle for clamping tools for machining workpieces, comprises two wheels arranged parallel to one another and rotatable about an axis of rotation into at least two prominent angular positions. Two swivel tables for clamping workpieces are arranged between the wheels and are each mounted on the wheels to swivel about a swivel axis which runs parallel to the axis of rotation. In each prominent angular position, one of the swivel tables is located in its working position in which clamped workpieces can be machined with the tools. Both wheels are supported at their rim.

A machining center, comprising: a number N of workpiece tables equal to or greater than three, a number N of first guides, which extend parallel to a first direction; along said first guides being movable respective to workpiece tables, one for each first guide, a number N1 of second guides, which extend parallel to a second direction transverse to said first direction, a number N1 of machining groups each comprising at least one machining head; each machining group being movable parallel to said second direction along a respective second guide; a number N(N1) of machining areas wherein the machining groups can operate on workpieces present on said tables; along each first guide, or for a respective table, there being present N1 machining areas, one for each machining group, so that each machining group can operate, according to a programmed work cycle, on all said N workpiece tables, a number N of workpiece loading/unloading areas, one for each workpiece table.

A workpiece change for use in a machine tool that comprises a tool spindle for clamping tools for machining workpieces, comprises two wheels arranged parallel to one another and rotatable about an axis of rotation into at least two prominent angular positions. Two swivel tables for clamping workpieces are arranged between the wheels and are each mounted on the wheels to swivel about a swivel axis which runs parallel to the axis of rotation. In each prominent angular position, one of the swivel tables is located in its working position in which clamped workpieces can be machined with the tools. Both wheels are supported at their rim.

A workpiece change for use in a machine tool that comprises a tool spindle for clamping tools for machining workpieces, comprises two wheels arranged parallel to one another and rotatable about an axis of rotation into at least two prominent angular positions. Two swivel tables for clamping workpieces are arranged between the wheels and are each mounted on the wheels to swivel about a swivel axis which runs parallel to the axis of rotation. In each prominent angular position, one of the swivel tables is located in its working position in which clamped workpieces can be machined with the tools. Both wheels are supported at their rim.

A manufacturing cell comprises a machine tool that has a tool carrier carrying a tool unit and has two adjacent workpiece paths oriented in a longitudinal direction. The tool unit can be displaced relative to a machine bed of the machine tool in a transverse direction and in a vertical direction. At least one workpiece carriage per workpiece path can be displaced in the longitudinal direction along the machine tool. The tool unit can be displaced in the longitudinal direction relative to the machine bed and/or relative to the workpiece carriages. The tool carrier overhangs or projects beyond the workpiece paths. The individual workpiece carriage can also be displaced in the longitudinal direction along the workpiece supply. Furthermore, the workpiece supply has at least one lowerable or tiltable stop device per workpiece path.

A machining center includes a number N of workpiece tables. A number N of first guides extend parallel to a first direction. Along the first guides is movable respective to workpiece tables, one for each first guide. A number N1 of second guides extend parallel to a second direction transverse to the first direction. A number N1 of machining groups each include at least one machining head. Each machining group is movable parallel to the second direction along a respective second guide. A number N(N1) of machining areas is provided. The machining groups can operate on workpieces present on the tables. Along each first guide, or for a respective table, there is present N1 machining areas, one for each machining group, so that each machining group can operate, according to a programmed work cycle, on all the N workpiece tables.