8. veljača 2023.

The development of twin-screw extruder Screw extrusion is one of the most commonly used processing methods of polymer. It mainly has two forms: single screw and twin screw.Twin-screw extruder appeared in the 1930s. According to the different relative rotation direction of the two screws, they can be divided into two categories: co-rotation and counter-rotation.  In the […]