Rolling metal plates

摘要

A method of cold-rolling metal plates 1 between work rolls 3 wherein at least one of the work rolls has a barrel provided with a circumferential groove 3a. A plurality of metal plates 1 overlaid one upon another are rolled together between the work rolls 3 to a reduction ratio of 30% or lower in one feeding operation, and the resulting sectionally deformed metal plates 2 are then separated from each other.