خط إنتاج الأنابيب الملحومة بالكهرباء, جهاز فك اللفائف
Double drum uncoiler acts as primary inlet equipment for ERW welded tube lines to unwind and feed steel coils with coil trolley cooperation. Its expandable mandrel avoids coil deformation; matched drive & brake delivers steady strip feeding to leveler, stabilizing tension, preventing jams for precision forming, HF welding and sizing of OCTG casing, tubing & structural pipes.