English to Greek Tech/Engineering Paper / Paper Manufacturing carton manufacturing

There is no context. It is in a list of commands of a carton making machine.

Explanation provided: "Tooling used to cease board, enabling it to be folded" and in Italian "cordone" "Utensile utilizzato per la solcatura del cartone in modo da permetterne la piegatura"

Σκέφτηκα "εργαλείο αυλάκωσης ή πτύχωσης". Κάποια καλύτερη ιδέα;