Patent ID: 6029489
Filing Date: 2000-02-29
Classification: B21B,B23D

Abstract:
A device for dividing and cutting a rolling strand into a stock strand and pieces of scrap by cropping and chopping comprisingmeans for moving the rolling strand at a high rate of up to at least 80 m/s along an axis of motion;two cutter heads, said cutter heads being positioned in one cutting plane with each having an axis parallel to the axis of the other and said heads rotating in opposite directions;each cutter head having at least one cutter for cutting the rolling strand;one cutter head having a leading cutter and another cutter head having a trailing cutter;viewed in a direction of rotation, at least one cutter head (2a) has a graduated circle directly trailing the cutter (3a) of said cutter head and determined by an angle ""alpha"", said graduated circle having such a radial jump (14) to a lower graduated circle that an unobstructed cross movement of the rolling strand (1) into the acting range of the cutter heads (2a, 2b) or out of said range is realizable;means located on an inlet side of the rolling strand for moving the rolling strand into an acting range of the cutter heads or out of said acting range into a rolling stock line;said means for moving the rolling strand (1) into the acting range of the cutter heads (2a, 2b) or out of the acting range of the cutter heads (2a, 2b) comprising two current conductors (4a, 4b) positioned fixed and opposing each other in a same plane;said two current conductors (4a, 4b) each are located with an axis of each parallel to the other or, for metering an electromagnetic force ""F"" into zones of the rolling strand (1), at an angle relative to the axis of motion of the rolling strand (1); andmeans located on an outlet side of the rolling strand for guiding the stock strand to further processing downstream and for receiving pieces of scrap; andwherein each current conductor (4a, 4b) has two contact electrodes (5,6;7,8), which in turn are connected with each other electrically and have such a spacing in a horizontal plane relative to the rolling strand (1) that a free spark discharge to the rolling strand (1) is producible.