Plastic Processing Machinery Parts

الوصف

plastic conical vented screw barrel 
 

Size:screw diameter ø**-ø**0mm

Maximum screw length :****0mm

The conical twin screws and barrel can be designed different structure according to the different product and market requests.

 Specifications of conical twin-screw and barrel:

Double-alloy technical standard:

Double-alloy level:

1.Level A - containing tungsten of *0%

2.Level B - containing tungsten of *5%

3.Level C - containing tungsten of 9.5%

4.Hardness of alloy: HRC****5o

Applied scope of plastic: applied for PVC and WPC material,  has a high output and stable performance.

1.Components of alloy powder: Ni + Co + Cr + W + Si + Fe + B + C

2.Depth of alloy layer: 1.2 mm*2.0 mm

3.Hardness of alloy: HRC>*5°

1.Hardness of adjuster:HB******0

2.Hardness of nitration:HV*******0

3.Depth of nitration case :0.**0.7mm

4.Fragility of nitration:less than grade 1

5.Rougness of the surface:Ra0.4

6.Linearity of the screw:0.**5mm

7.The surface hard chromium plating hardness after nitrogenation≥**0HV

8.Depth of double alloys:0.**2.0mm

Used for granulation ,PP,PE,PA,PC,ABS,AS etc

We can manufacture various kinds of screw barrels