Method and device for introducing pouring cups or runners into sand moulds or cores

摘要

The invention relates to a method and a device for introducing pouring cups or runners (2) into sand moulds or cores (1) for castings, the sand mould or core being dry-eroded in the region of the pouring cup or runner (2) to be formed by subjecting it to ultrasonic vibrations using a sonotrode (4) corresponding to the shape and size of the pouring cup or runner (2) to be formed. <IMAGE>