... 4.Stainless steel and carbon steel 5.High profits Operateing principle 1.When oil press is on work, material enters the ... is pressed. 2.Under high temperature condition in the chamber, there is quite strong friction among press screw, chamber and the ... , decrease oil’s elasticity, resulting in high oil. Cold And Hot Amphibious Screw Press Machine/ Oil ExpellerMain technical parameters: Model6YL-1006YL- ...