A winding device for winding a material to be wound includes a winding mandrel provided for carrying a carrier of material to be wound in a winding process, with a transporting unit on which at least a component of the winding mandrel is arranged, and with a positioning unit provided for changing a spatial position of the transporting unit. The positioning unit is provided for at least substantially adjusting a spatial end position according to requirement. The transporting unit is embodied as a pivot arm, the transporting unit is in at least one operating state provided for receiving a carrier of material to be wound, wherein the material to be wound is wound onto the carrier of material to be wound and/or is wound off the carrier of material to be wound, and the transporting unit is in the winding operative position during the winding process.