... 30c, Configuration Wave form screw rodd, material 38CrMoALA Nitrogen treatment1.2 Machine cana, Aperture 120b, material 38CrMoALA slack quench. Nitrogen treatment1 ... modelSFK1450)3.1 air ringform Dam type damping air ring3.2 air ringCooling fan power 22KW 4, haul-off system( ... material:The structural frame of channel steel , roll type 5.2,Person word board top is joined open with cylinder drive6, Insert ...