Sliding transport of rolled product with adaptation of friction

A control device comprising:

• at least one processor, configured to execute the instructions stored in the memory to:
• open a pinch roll that delivers a plurality of rolled products on a cooling bed, the pinch roll being opened for each rolled product, the pinch roll being opened at a respective trigger time and at a respective transport speed of the rolled product;
• iteratively detect, for each rolled product, a position of the rolled product or a derivation in time of the position of the rolled product, the position or the derivation in time being detected for each rolled product after opening the pinch roll;
• determine, for each rolled product, an updated coefficient of friction between the rolled product and the cooling bed, the coefficient of friction being updated in dependency on the position detected or the derivation in time detected;
• and
• use the updated coefficient of friction for a next rolled product to be delivered by the pinch roll, to determine at least one of the respective trigger time and the respective transport speed for the next rolled product, the at least one of the respective trigger time and the respective transport speed being determined based on a model that depends on the updated coefficient of friction between the rolled product and the cooling bed.

A transport device for transporting rolled products, comprising:

• a pinch roll that delivers a plurality of rolled products on a cooling bed;
• a measuring device to iteratively detect, for each rolled product, a position or a derivation in time of the position of the rolled product, the position or the derivation in time of the position being detected after opening the pinch roll;
• and
• a control device comprising:
• at least one processor, configured to:
• open the pinch roll for each rolled product, the pinch roll being opened at a respective trigger time and at a respective transport speed of the rolled product;
• determine, for each rolled product, an updated coefficient of friction between the rolled product and the cooling bed, the coefficient of friction being updated in dependency on a position of the rolled product or a derivation in time of the position of the respective rolled product;
• and
• use the updated coefficient of friction for a next rolled product to be delivered by the pinch roll, to determine at least one of the respective trigger time and the respective transport speed for the next rolled product, the at least one of the respective trigger time and the respective transport speed being determined based on a model that depends on the updated coefficient of friction between the rolled product and the cooling bed.