What is a single screw extruder?
A single rotating screw inside a closed barrel.
What is the largest single screw extruder?
A Krauss Maffei KE 800 is the largest single screw extruder.
Which is better single screw or twin screw extrusion in manufacturing?
It depends on the application. The twin screw offers higher throughput and for larger volume production. The single screw is lower in cost and easier to maintain but production volumes are significantly lower.