Machine assembly, production machine with machine assembly, use and method for producing rotation components

A machine assembly for use in a manufacturing machine, in particular in a horizontal orientation of an axis of rotation in a horizontal manufacturing machine, comprising:

• a fixture carrier;
• a motor having a rotatable solid shaft;
• a workpiece fixture having a first side and a second side, the workpiece fixture being mounted on the fixture carrier;
• and
• a first and a second tool holding fixture, wherein the first tool holding fixture being arranged on the first side of the workpiece fixture and the second tool holding fixture being arranged on the second side of the workpiece fixture;
• and
• wherein:
• the workpiece fixture has a main spindle with an axis of rotation running from the first to the second side, the main spindle being configured for holding a workpiece along the axis of rotation,
• the main spindle includes the rotatable solid shaft and the rotatable solid shaft configured to hold the workpiece on the circumference thereof, and
• the main spindle including at least one of a hydraulic and pneumatic radially feedable clamping pin configured to secure the workpiece to the rotatable solid shaft to provide rotation of the workpiece with rotation of the rotatable solid shaft.