METHOD AND DEVICE FOR CREATING A MANDREL FOR A WOUND CAPACITOR

摘要

The subject of the invention relates to a mandrel (10) for winding fibres which is made at least partially by means of a cellular concrete and to a method of producing a winding tool comprising a mandrel which is produced at least in part using cellular concrete, characterized in that it comprises a step of casting a mandrel (10) or parts of a mandrel which are provided with a housing to accept a winding spindle (11).