Conical twin bimetallic screw barrel
We are the first using Molybdenum Alloy in China
For good plasticizing effect,we have different designs of conical twin screw&barrel for extruder to meet customer's demand.
Product Parameter:
| Product | conical twin screw&barrel for extruder |
| Hardness after hardening and tempering | HB260°~320° |
| Nitrided Hardness | HV950°~1000° |
| Nitrided Depth | 0.50~0.7mm |
| Nitrided Brittleness | above 2 stage |
| Surface Roughness | Ra0.4 |
| Screw straightness | 0.015mm |
| Hardess of surface chromium-plating after Nitriding | HV≥950HV |
| Chromium-plating Depth | 0.05~0.10mm |
| ALLoy Depth | 0.8~2.0mm |
| Alloy hardness | HRC56°~65° |
| Alloy | iron,nickel,tungsten,molybdenum |
| Types of screw | Gradual type,mutant type,wave type,barrier type,double screen type,shunt type,separation type,exhaust type,pin type,mixed type,double-head type,three-head type,multi head type etc. |
Specification:
| Raw Material: | The finished product processing requirements: |
| 38CrMoAlA,SACM645,42CrMo | nitriding treatment |
| 42CrMo,AISI 4140 | hard chrome coated layer |
| 4Cr5MoSiV1,SKD-61,SKD-11 | Sparying bimetal alloy layer and nitriding treatment |
| HPM38,SI36,SUS440,9Cr18MoV | High frequency quenching |
| GHII3 | Airset in high temperature |
| Screw Diameter | 15/30,25/55,35/75,40/83,45/90-99,48/112-117,50/105-110,51/105-120,55/110-125,58/125,60/125-129,65/120-132,68/147,70/150,74/156-162,80/143-156-162,86/177,92/184-188,95/193,105/203 |
| Drawing | We could design or make as customers' drawing |
| Bimetallic | We use different alloys as different Plastic raw material |
| Guarantee Time: | More than 12mouths |
Scope of Application : WPC PVC.WPC PE,Super high molecular sheet,1/2 high Calcium
buckle,50-400 high Calcium pipe,50-300 high Calcium Profile,soft PVC sheet,XPS -PVCetc.
PP,PE,ABS,PVC,raw material ,pelletzing,pipe,profile,sheet etc.
Shipment &Delivery
| Delivery Time | 30 Days |
| Shipping | By sea or By air |
| Packing | Plywood box |
Regarding the Normal Size ,We have stock all over the year.
The Reason For Choose DEMAJI SCREW:
*Primary Quality
*Reasonable Price
*Flexible Manufacturing Capacity
*On-time Delivery
*Ethical &Transparent Policies.
Packing:
Conical twin bimetallic screw barrel
Any question ,Feel free to contact with us .
