Causes

Solution

New screw oil press machine is pressed for the first time , the pressing screw is not heated and polished, and a large amount of material is fed into the pressing chamber in a short time.

Correct operation and running-in, pay attention to the sound and current of the screw oil press machine, slowly feed materials to increase the capacity, and stop the oil expeller in time if there is an abnormality

The oil cake is too thin and the pressure of the pressing chamber increases

Reverse the adjusting nut to increase the thickness of the cake

The oil cake is too dry when running in

Increase feed moisture

Pressing the oil material with shell, the shell content is too high or the hard material is mixed into the oil and enters the pressing chamber

Stop the oil pressers to disassemble the upper pressing cage and loosen the round ring. Pull out the press shaft and clean the press chamber.