... extract vegetable oil from many kinds of oil seeds, such as soybean, rapeseeds, peanuts, coconut, sesame, etc. oil expeller 2) ... flowing,chamber heating,etc.manpower could be saved to improve your work efficiency. Operating principle1. When oil expeller is on work ... only pushes particles moving forwards, but also turns them outwards as well. 5. Meanwhile, particles adjacent the screw will rotate ...