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Block type parallel twin screw and barrel

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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

 

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