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xtruder barrel screws alibaba china wholesale screw and barrel·1.factory direct·2.ISO9001:2008·3.hi-tech products
| Place of Origin | Zhejiang China (Mainland) | Model Number | JJ-SI-EX-0004 |
|---|---|---|---|
| Base material | 38CrMoAlA; SKD61; SKD11; 40Cr; 42CrMo; high quality alloy steel | Screw barrel hs code | 8477900000 |
| Screw barrel Certificate | ISO9001:2008 | Surface treatment | Nitrition,Quenching,Alloy coating spraying,Hard-chrome plating |
| Surface Hardness | >950HV | Surface Roughness | Ra0.4um |
| Nitriding treatment | more than 100 hours | Thickness of nitriding layer | 0.5-0.8mm |
| Hardness after Hardening & Tempering | HB260-300 | Nitrition brittleness | less than grade2 |
| Details | xtruder barrel screws alibaba china wholesale screw and barrel · 1.factory direct · 2.ISO9001:2008 · 3.hi-tech products |
| Packaging Detail | film wrapped in wooden case without fumigation(export standard) |
|---|---|
| Delivery Detail | 20 working days upon receipt of 30% deposit |
single screw barrel extruder barrel screws alibaba china wholesale screw and barrel
L/D = 10-40
Screw Diameter: Φ14mm-Φ300*8000mm
Screw compression ratio according to different plastic products and different raw material to carry on the design.
Detailed Technical Information
| Base Material | 1)38CrMoAlA(JIS SACM645) 2)Cr12MOV(JIS SKD-11) 5)9Cr18MoV |
| Bimetallic Alloy Materials | 1)Fe-based alloy 2)Ni-based alloy/Deloro alloy 4)NiCo-based alloy |
| Bimetallic Alloy level | Level A - containing Tungsten of 40% Level B - containing tungsten of 25% Level C - containing tungsten of 9.5% |
| Designing | Screw structure and compression ratio can be designed according to different products & different clamping force requirement. |
| Treatment Technology | 1)Longer time Gas Nitriding treatment 2)special anti-wear & abrasion alloy (bimetallic) 3)tungsten carbide 4)cobalt base alloy 5)stainless steel 6)Gh113 nickel based alloy Treatment Nitriding treatment(>100 Hours) Depth of Nitrided Layer: 0.5-0.8 mm Hardness of Nitrided Layer: >950Hv Hard Chrome Plating treatment: Thickness of Hard Chrome Plating Layer: 0.03-0.08mm Hardness of Hard Chrome Plating Layer: ≥950HV Nickel alloy plating.treatment: Bimetallic Barrel Centrifugal Casting (Inlay Alloy) Bimetallic Screw: Plasma Alloy Coating Spraying Depth of Bimetallic Layer: >2mm Hardness of Bimetallic Layer: HRC55°-65° |
| Material Application | 1)General Plastics 2)ABS,PA,PC,PE,PET,PP,PS,EVA,PU,PVC,U-PVC,etc 3)PA + GF(Glass Fiber) 4)Flame-resistant Reinforced Plastics 5)Modified Engineering Plastics 6)All kinds of Mixed Recycled Material(in Scrap or Granule),etc |
| Basic Infomation | Surface Roughness :Ra0.4um Linearity of the screw: ≤0.015mm Linear axis limit: ≤0.02mm Hardness after Hardening & Tempering: HB260-300 Fragility of Nitration:≤Two grade |
| General Terms | Means of transport: Ocean,Air,Express Production time: About 20 days after we receive the deposit and lead time will different according to the order quantity. |
| Warranty period | 2-4years(Depends on the plastic raw materials) Bimetallic: much longer lifetime. |
| Competitive Edge | 1.Long lifetime,low energy consumption. 2.Wonderful plasticizing 3. Top-quality bimetallic screw and barrel 4. High wear resistance, resistance to corrosion 5. Fast and On time delivery 6. Best customer after-sale service! |
Bimetallic Screw production method:
Plasma Alloy Coating Spraying or Wc/Co Whole spray welding
The PTA powder plasma welding applies the positive and negative electrodes of arc welding, allowing the welding path to be completely, welded with the base material. The minimum possibility of the welding path becoming less rigid fully prevents the welding layer from peeling off – thereby effectively upgrading the life time of the screws.
Outstanding Features of Bimetallic Screw and Barrel:
Hardness HRC55-65 Outstanding corrosion-resistance.
Hardness layer reaches above 2mm thickness. Hardness does not decrease with depth.
Hardness does not decrease under normal temperature.
Abrsion resistance / wear resistance on the hardened layer is 2~3 times higher than that treated by conventional heat treatment.
We specialized in manufacturing many types of screws, the barrels can be applied on all types of injection moulding machine,rubber hot-feeding extruder, rubber cold-feeding extruder, pin barrel cold feed extruder, plastic extruder with different specifications for Haitian,Demag,Toshiba, Husky, Nissei etc.We can provide the models of screw including variable pitch and variable depth, variable pitch and equal depth, variable depth and equal pitch, and equal depth and pitch.Groove multi-die type, composite type, mixing type and separating type.
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Our all kinds of screw&barrels have enjoyed a great popularity in domestic and overseas,especially our our high quality bimetallic screw&barrels,which were entitled to "Zhejiang High Technical Products " many times.
I Want to express my thanks to all my dear clients~~~~~~
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