Single barrel

Material: Alloy-Steel of High-Quality
1) 38CrMoAlA(JIS SACM645)
2) 42CrMo(AISI 4140)
3) Cr12MOV(JIS SKD-11)
4) 4Cr5MoSiV1(JIS SKD-61)

Heat-treatment:
Nitriding treatment
Electroplated hard-chrome
High-frequency quenching
Spray coating Bimetallic-alloy

Technical data

Standards of single screw and cylinder of extruder machine:

Φ20mm~Φ300mm       

ratio of length to diameter L/D=15~55

Variable pitch and variable depth, variable pitch and equal depth, variable depth and equal pitch, and equal depth and pitch.

Groove multi-die type, composite type, mixing type and separating type.