Specifications:

Parallel twin screw series: Φ 18 - Φ 177mm

texture of material:

1）W6Mo5Cr4V2

2）38CrMoAlA(JIS SACM645)

3）42CrMo(AIS14140)

4）S45C

Treatment process:

1) Heat treatment

2) High frequency quenching

3) Nitriding treatment

Technical parameters:

Outer diameter to diameter ratio: 1.55

Nitriding depth: ≥ 0.4mm

Nitriding hardness: 900-1000hv