a. The screws are made by alloy steel (38CrMoAL) and special craft by nitriding process;
The HRC hardness is around 60---62, it has good self-cleaning ability and does not need to discharge or
clean the barrel and screw, when replacing materials.
b. The extrusion barrel is constructed of carbon steel which is made by #45 steel with stainless steel coating.
c. The gearbox has automatic lubrication function with extends gear life.
d. Cutting knives are fixed on the die head seat with rotary cutting by V-belt drive.
e. Main Motor from SIEMENS(CHINA) to ensure its powerful extrusion and excellent performance.