Patent ID: 8997613
Filing Date: 2015-04-07
Classification: B23D,Y10T

Abstract:
1. A method of trimming heavy plates ( 10 ) with heavy plate shears that have trimming blades ( 7 , 8 ) spanning a trimming blade plane ( 4 ); wherein scrap edges ( 12 ) produced during trimming are cut off in scrap pieces by a scrap-cutting device arranged, in a transportation direction of a heavy plate, behind the trimming blades ( 7 , 8 ) and having a scrap-cutting upper blade and a scrap-cutting lower blade, and wherein the scrap-cutting upper blade and the scrap-cutting lower blade span a scrap-cutting plane, characterized in that a distance ( in that in addition to the distance ( in that displacements of the scrap-cutting upper blade is carried out simultaneously transverse to the trimming blade plane ( in that the scrap-cutting upper blade is secured in a carriage displaceable in a guide for the scrap-cutting blade carriage; and in that the simultaneous displacement of the scrap-cutting upper blade transverse to the trimming blade plane and transverse to the scrap-cutting lower blade is carried out by rotation of at least one eccentric shaft (