... ,30,50,60,90,125,150-H-semi-automatic electrical control two-rollers annular ring Pilger Mill LGE-20 ... rod with rocker system make the head sleeve and roller-frame move repeatedly, the roller roll on ... will change the hole from large to little and from little to large periodically. When the hole ... is largest, the turning feeding system will feed and rotate the tube again. Technical Parameters ModelLGE-20 ...