Product Details

Specifications

1) Nitrided extrusion screw barrel
2) Apply for extruder machine
3) High quality and lowest price for screw and barrel

Product Description

Nitrided extrusion plastic pp-profile screw barrel

1) Specification

Screw diameter: Ø15-Ø360

L/D=15-45

Screw structure and compression ratio can be designed according to different products and raw material.

Screw type: common type, gradual type,sudden type,barrier type,pinned type,exhaustive type,separate type,granulation type,wave type

2) Screw Material

38CrMoAlA, SKD11,SKD61,42CrMo,40Cr,9Cr18MoV

3) Material Application

ABS,PA,PC,PE,PET,PP,PS,EVA,PU,PVC,U-PVC,etc

4) Heat treatment

Bimetallic, Nitriding, Hard-chrome plating, Vacuum quenching, High frequency quenching

5) Conical twin extruder screw and barrel date

6) Technical Parameter

Technical Parameter

Depth of nitration	0.5-0.8mm
Hardness of nitration	950-1020HV
Straight of screw	0.015MM
Fragility of nitration	Less than grade 1
Roughness of surface	Ra 0.4um
Depth of alloy layer	2-3mm
Hardness of alloy	HRC58-62
Hardness after hardening and tempering	HB260-290
Hard chrome plating thickness	0.03-0.08mm
Hardness of hard chrome plating	≥950HV

7) Flow for Screw

Stock Preparation→Rough Turning→Hardening and Tempering→Finish Turning →Screw Milling→Bimetallic Processing(according to demand)→Polishing→ Grinder→Nitrogen Treatment→Finishing Polish→Accurate Grinding→Packing

8) Flow for Barrel

Stock Preparation→Punching→ Hardening and Tempering→Reaming→Hole Grinding→Finish Turning→Milling Material Mouth→Nitrogen Treatment→Companion-flange→Packing

9) Conical Twin Extrusion screw and barrel product showing

Packaging & Shipping

PACKING

1.Screw and barrel are coated with a layer of oil.
2.Screw and barrel are wrapped in a layer of plastic film.
3.Screw and barrel are fixed in strong wooden case.
4.Volume for one set of screw and barrel is about 0.5cubic meter -5 cubic meter.

Our Services

Jinsheng SERVICES

1) We have more than 1 year gurantee

2) We can ship the goods within 20 days

3) We can make different type for screw and barrel as buyer request

4) We always offer the best price to customer

5) We keep improving to make high quality

6) We can mapping the drawing for customer

7) We can give a reasonable suggestion to customer

Jinsheng Advantage

1) With high wear resistance and anti-corrosion

2) Through processing ,it can be prolong use life for screw and barrel

3) Cold and heat spraying for hard metal process

4) High-frequency quenching technology

5) Advanced nitriding technology

6) Processing and manufacturing process for Bimetallic

7) Lowest price, high quality, delivery on time

Now we export to South-east Asia, Europe, America, Middle east countries etc. At the same time, we provide the OE services for hundreds of customer for domestic market.