plastic extruder screw barrel

الوصف

plastic extruder screw barrel

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:

Technical standard:

1.Material: *8C rMoALA

2.Hardness of modulator: HB******0

3.Hardness of nitrification:*******0HV

4.Depth of nitrification layer: 0.**0.7mm

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°

 Two stage type of barrel (material of powder outlet is Cr*2MoMV, vacuum quenching)
and screw (powder output is treated by alloy), the using lifespan is long as twice
as common ones.The twin screws and barrel can be equipped in differents