CUTTER HEAD FOR REMOVING INNER FLASH IN ELECTRICALLY WELDED TUBES Russian patent published in 2003 - IPC

FIELD: tube manufacture, production of electrically welded tubes with removed inner flash in mills for electric welding of tubes. SUBSTANCE: head includes housing with supporting rollers rigidly mounted in it, cutter holder with cutter and lever with pressure roller and with elastic member. Cutter holder is jointly mounted on the same axis as supporting roller the nearest to cutter; lever with pressure roller and elastic member is jointly mounted on the same axis as another supporting roller. Head also includes adjustable stopper mounted in housing. In order to provide stable forcing of cutter to tube surface and, if necessary, simultaneous urgent withdrawal-approaching of cutter from(to) tube at process of tube motion and stop-starts, adjustable stopper is in the form of adjustable screw and cylinder with rod joined with pipeline. Said rod is mounted onto elastic member with possibility of engaging with lever. EFFECT: improved design. 1 dwg