在意大利SERTOM三辊卷板机上,对直管段和弯管段瓦片,采取1/2滚圆和卷板机上压头的方法;对锥管段瓦片,采取了与传统滚圆和压制方法截然不同的分区域辊压及卷板机压头的方法,减轻了瓦片波浪变形和局部曲率半径变小的程度,解决了高强钢超大型压力钢管瓦片卷制的难题。 In Italy SERTOM three-roll plate bending machine, the straight pipe and elbow section tile, take 1/2 rounding and rolling machine on-head method; for the conical pipe section tile, take the traditional rounding and pressing method is very different Sub-regional rolling and rolling head pressure head method to reduce the tile wave deformation and the local radius of curvature of the smaller degree, to solve the high-strength steel super-pressure pipe tile rolling problems.