... noise 5.strong adaptability small screw automatic Oil Press Machine (6YL): 6YL series Small screw oil press machine, after more than ten years ... to operate, and similar in performance to the advanced oil press, which makes use of screw-driving force for pressing oil ... extrusion of pressing worm and pressing ring. This smallscrew oil press is composed of feeder, gearbox, pressing cage, screw shaft and ...