Maschinenbaugruppe, Fertigungsmaschine mit Maschinenbaugruppe sowie Verwendung und Verfahren zur Fertigung von Rotationsbauteilen

The invention relates to a machine assembly (100) for use in a production machine (1000), particularly in a horizontal orientation of an axis of rotation D in a horizontal production machine, with - a workpiece fixture (30), which is mounted on a fixture carrier (4) and has a first side (31) and a second side (32) and - a first and a second tool fixture (10, 20), wherein - the first tool fixture (10) is arranged on the first side (31) of the workpiece fixture (30) and the second tool fixture (20) is arranged on the second side (32) of the workpiece fixture (30). According to the invention, the workpiece fixture (30) has a main spindle (33) with an axis of rotation D running from the first to the second side (31, 32), and the main spindle (33) is designed to hold a workpiece along the axis of rotation D.