Parameters of Screw and Barrel of extruder

[piskovets]

Parameters of Screw and Barrel of extruder
Screw is characterized the followings basic parameters:

Diameter - depending on the productivity of extruder

Correlation long to the diameter L/D - depending on the processed materials

Structure of Screw - with degassing or without it

Material of Screw - Highly the high-quality nitride alloy steel -38CrMoAIA, with bimetallic coverage near 2 mm

Heat treatment is Hardness of nitrating of 740HV; Depth of intruding: 0.4-0.6 mm; fragility is made by 2 degrees

Barrel:
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