Grinding machine

1. Grinding machine, comprising:

a machine bed,

a Y-carriage that is linearly movable in only a Y-direction parallel to a Y-axis on the machine bed,

a rotationally-driven tool spindle mounted on the Y-carriage and configured to be rotatable around an X-axis perpendicular to the Y-axis while remaining aligned with the X-axis,

an X-carriage that is linearly movable in an X-direction parallel to the X-axis on the machine bed,

a Z-carriage that is linearly movable on the X-carriage along a Z-direction parallel to a Z-axis perpendicular to the X-axis and the Y-axis,

a drive operably connected to the Z-carriage, and

a work piece jig connecting with the Z-carriage and configured to pivot around a B-axis which is parallel to the Y-axis, and configured to rotate around a rotational A-axis which is perpendicular to the rotational B-axis and further comprising a tool magazine for holding tools, the tool magazine coupled with the X-carriage and offset from the Z-carriage in the Y-direction.

2. Grinding machine according to claim 1 , wherein:

the tool magazine is rotatably coupled with the X-carriage and holds tools having axes parallel to the X-axis, and,

the Y-carriage is configured to be moved in the Y-direction into a changing position in which the tool spindle is axially flush with an axis of a tool in a tool holder of the tool magazine.

3. Grinding machine according to claim 2 , wherein:

the tool magazine has at least one tool holder connected to the tool magazine at the level of the tool spindle in the Z-direction,

the tool spindle is configured to have a tool clamped in the tool spindle and to move into and out of the tool holder in the Y-direction,

the tool holder is configured to allow a tool that is held in the tool holder to be removed from or placed in the tool spindle by moving the tool magazine in the X-direction.

4. Grinding machine according to claim 3 , wherein the tool magazine has a plurality of tool holders located in at least one plane parallel to the tool spindle and configured to be placed in the changing position.

5. Grinding machine according to claim 4 , further comprising:

a rotatable shaft parallel to the X-axis, the rotatable shaft connecting a magazine wheel to the tool magazine and the X-carriage, and

at least one tool holder connected to a periphery of the magazine wheel.

6. Grinding machine according to claim 1 , further comprising:

a work piece magazine configured to be placed on the machine bed, wherein:

the work piece jig is configured to be oriented in relation to the work piece magazine by rotation around the B-axis, and

the work piece jig is configured to be moved in relation to the work piece magazine via at least one of the Z-carriage and the X-carriage.

7. Grinding machine according to claim 6 , wherein:

the work piece magazine holds at least one work piece having at least one axis parallel to the Z-axis, and

the work piece jig is aligned in the Z-direction.

8. Grinding machine according to claim 7 , wherein:

the work piece magazine has a magazine wheel configured for rotation around an axis that is parallel to the Z-axis,

the work piece magazine holds at least one work piece having an axis that is parallel to the Z-axis, and

the at least one work piece is configured to be placed in a changing position, in a plane parallel with the work piece jig by rotation of the magazine wheel.

9. Grinding machine according to claim 8 , wherein:

the magazine wheel has on its periphery work piece holders for work pieces or work carriers, and

the work piece jig ( 36 ) is configured to move the work pieces or work carriers into and out of the work piece holders by movement of the X-carriage.

10. Grinding machine according to claim 6 , wherein:

the work piece magazine holds work pieces in a matrix configuration,

the work piece magazine is moveable in the Y-direction, and

the tool jig is configured for positioning at a respectively selected magazine position by movement of the work piece jig in the X-direction and by moving the work piece magazine in the Y-direction.

11. Grinding machine according to claim 10 , wherein the work piece magazine ( 56 ) is coupled with the Y-carriage for movement in the Y-direction.

12. Grinding machine according to claim 10 , wherein:

the work pieces are blanking dies, held at an angle in the work piece magazine, and

the work piece jig is aligned around its B-axis in a direction perpendicular to the plane of the blanking dies.

13. Grinding machine according to claim 1 , further comprising:

a rotationally-driven centering spindle arranged on the Z-carriage, and spaced from the work piece jig, the centering spindle being configured for rotation around an axis parallel to the X-axis, wherein

the centering spindle is further configured to be centered relative to a grinding tool clamped in the tool spindle by movement of at least one of the Y-carriage in the Y-direction, the X-carriage in the X-direction, and the Z-carriage in the Z-direction.

14. Grinding machine according to claim 13 , wherein the centering spindle is arranged on the Z-carriage above and spaced from the work piece jig in the Z-direction.

15. Grinding machine according to claim 1 , wherein the work piece jig, the centering spindle, and the tool magazine are arranged spaced from one another in the Y-direction.

16. Grinding machine according to claim 1 , wherein:

the machine bed is arranged horizontally,

the Y-carriage and the X-carriage are configured to be moved horizontally on the machine bed, and

the Z-carriage is configured to be moved vertically from above in relation to the tool spindle.