Patent ID: 8215145
Filing Date: 2012-07-10
Classification: B21B,B23D

Abstract:
1. A method of producing steel bars that are cut to length in response to a customer order, said method comprising the steps of: producing a continuous length of steel bar from a rolling mill, cutting said continuous length of steel bar into successive segments, each representing a multiple of the length of the bar of the customer order, cutting said segments in two in line cold shears first into two times the length of the bar of the customer order and then in half into lengths equal to the length of the bar of the customer order while maintaining the production of the continuous length of steel bar produced by the rolling mill, and bundling in an adjustable bundler which is adjusted to the length of the bars of the length of the customer order for discharge from the mill while maintaining the production of the continuous length of steel bar produced by the rolling mill whereby production of the continuous length of steel bar can continue without interruption, wherein when a change of length of the bar by a customer order is made, the length of said segments is changed and said segments are repositioned relative to said cold shears to produce the bar length corresponding to the changed length of the customer order and wherein a CPU controls the cutting of the continuous length of steel bar by a flying shear and the cutting of the bar by the in line cold shears and comprising adjusting the position of said segments relative to said cold shears to cut the segments to the desired lengths in response to signals from said CPU and wherein the bundling of the steel bars is effected simultaneously in three in line bundlers, one of which is stationary and the other two of which are moved to position in response to a signal from said CPU.