double screw extruder cylinder for pvc profiles

Diameter

15mm-350mm

Designing

Along with the the CaCO3 proportion increaseing

when processing the PVC product, as well as late-model PVC

is similar to raw material bring up, Leading to damage of actual

conical twin-screw resist abrasion, resist corrosion . OSD developed

and introduced modern plastic process usage based on actual need ,

have high-accuracy , high hardness, antifraying , anti-corrosion for merit.

Materials

38CrMoAlA

(JIS SACM645)

SKD61

Application

pvc resin powder & caco3 luburicant,stabilizerss, pigments, antionxidants.

Nitride Case Depth

0.5mm-0.8mm

Technology

1)Longer time Gas Nitriding treatment

2)special anti-wear & abrasion alloy (bimetallic)

3)tungsten carbide

4)cobalt base alloy

5)stainless steel

6)Gh113 nickel based alloy

Nitride Hardness

950-1020HV

Packing

Wrapped up by film in wooden

Nitride Brittleness

Grade One

Payment Term

T/T , L/C

Surface Roughness

Ra0.4um

Delivery Term

25 working days

Screw Straightness

0.015mm

Port Departure

Shanghai/Ningbo

Alloy Hardness

HRC58-62

Min. Order

1 set

Alloy Depth

0.5mm-0.8mm

Common Nitrided:2.5-4years

Bimetallic: much longer lifetime.