... .8KW 4KW The above parameters is according to oil material that is refined, separated, flaked, steamed ... reasonable techniques. 2.Operating principle: 1.When oil press is on work, material enters the extruding ... the rotating pressing screw and is pressed. 2.Under hightemperature condition in the chamber, there is ... strong friction among press screw, chamber and the oil materials. 3.On the other hand, root ...