... coils for cold rolling mill, welded pipe mill, roll forming machine, etc. 1.Weight of middle thick ... two hole accumulators in the middle thick coil slitting line, which depends on minimum thickness, slitting speed, ... make each steel coil slitting line unit.4.Good material and precise sizes of disc knives, spacers ... 0.10mm/m), no stickiness to knives and precise slit width(+/-0.05mm).5.Edge scrap reeler ...