Rotational drive for support arm spindle of roll changer, has drive shaft, gear and output shaft driving pivot axis of support arm spindle, where gear has driving toothed wheel with external teeth

摘要

The rotational drive has a drive shaft (16), a gear and an output shaft driving a pivot axis (04) of a support arm spindle (02). The gear has a driving toothed wheel (17) with external teeth (18) and an attachment opening (21) arranged on a concentric reference circle. The driving toothed wheel is rotatably supported on the drive shaft eccentric to the pivot axis. A frame fixed output toothed wheel is provided with internal teeth.