Product Details

Screw Barrel for Pelletizer and Recycling Machine

Specification available:

1. Diameter of screw: D15-D300mm
2. Length of screw: 300-9000 mm
3. L/D ratio of screw: 15 - 50

Grade available:

1. Standard grade: 38CrMoAlA + nitriding 96 hours
2. Bimetallic grade: 38CrMoAlA + bimetallic alloy
3. TC-A grade: Tungsten carbide 40%
4. TC-B grade: Tungsten carbide 25%
5. TC-C grade: Tungsten carbide 9.5%

Techinical information Plastic Screw Barrel for Pelletizer and Recycling Machine:

Depth of Nitrated Layer: 0.5-0.8mm
Heat treatment: Nitriding 96 hours
Hardness of nitration: 900-1020Hv
Fragility of nitration: Less than grade 1
Surface roughness: Ra 0.4um

Material:

Alloy-steel of high-quality

1)38 CrMoAIA(JIS SACM645)

2)42CrMo(AISI4140)

3)9Cr18MoV

4)CW6Mo5Cr4V2

5)SKD61

Heat-treatment

Nitriding treatment

Electroplate hard-chrome

High-frequency quenching

Spraying corrosion wear-resisting dual metal layers

Vacuum quenching

Technical Parameter for screws barrels

Steel Material	DIN 41CrA1Mo7 / AST M4140 / GB 38CrMoAlA
Deepness of Nitriding Layer	0.7 mm -0.9 mm
Hardness of Nitriding	HV900 - HV1,000
Nitriding Brittleness	≤Grade 2
Chrome plating	Thickness 0.05 mm - 0.10 mm, hardness HV950
Special treatment	Carbide coating on screw flight and bimetallic barrel
Screw straight tolerance	0.015 mm/m
Surface roughness	Ra 0.4μm

As a professional manufacturer and supplier of screw and barrel,we can make any specification of extruder screw barrel and injection screw barrel for Haitian, Demag, Engle, Nigro bossi, arburg, NPM, BOY, Husky, Fanuc, billion, Sumitomo, Nippon Steel, Toshiba, Nissei, Mitsubishi and etc. We also can supply all types of screw and barrel according to your different requirements.

If you have any inquiry, do not hesitate to inform us.

Screw Barrel for Pelletizer and Recycling Machine