High Output Screw and Barrel
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:
| 45/90 | 45/97 | 50/103 |
| 55/110 | 60/120 | 65/125 |
| 68/146 | 80/156 | 80/172 |
| 92/188 |
Technical standard :
1.Material : 38CrMoALA
2.Hardness of modulator . HB260-290
3.Hardness of nitrification : 800-1050HV
4.Depth of nitrification layer : 0.4-0.7mm
Double-alloy technical standard:
Double-alloy level :
1.Level A - containing tungsten of 40%
2.Level B - containing tungsten of 25%
3.Level C - containing tungsten of 9.5%
4.Hardness of alloy : HRC56-65o
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 : 1.2mm-2.0mm
3.Hardness of alloy :HRC>65o
Two stage type of barrel (material of powder outlet is Cr12MoMV, 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
if you have any questions , pls feel free to contact me
skype:victoria890712
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