The invention relates to a strand guiding device and a method for guiding a metal strip, in particular a metal strip that has not yet solidified right through, in a continuous casting installation.

The mould is a very important part of the continuous casting equipments, it is looked as the "heart" of the continuous casting, and the copperplate is the key piece of the mould.

Based on an analysis of the out-breaking cases met in practical production, measures of preventing the accident are proposeding terms of the operation, equipment and process variables.