Twin conical screw cylinder for pvc pipe for extruder double machines
The Specification of Conical twin Screw And Barrel
| Specification (d/D) | Work Length (mm) | Extruding Ability KG/H) | Screw Speed (rmp) |
Φ25/Φ53 | 540 | 25-40 | 5-50 |
Φ35/Ø77 | 810 | 40-70 | 5-50 |
Φ45/Φ90 | 990 | 50-80 | 5-45 |
Φ50/105 | 1070 | 100-150 | 4-45 |
Φ51/105 | 1220 | 100-150 | 4-40 |
Φ55/Φ110 | 1220 | 120-180 | 4-40 |
Φ60/Φ125 | 1320 | 150-200 | 4-40 |
Φ65/Φ120 | 1440 | 200-250 | 4-40 |
Φ65/Φ132 | 1440 | 200-250 | 4-40 |
Φ70/Φ140 | 1460 | 250-320 | 4-35 |
Φ75/Φ150 | 1480 | 300-360 | 4-35 |
Φ80/Φ143 | 1800 | 300-360 | 4-35 |
Φ80/Φ156 | 1660 | 300-360 | 4-35 |
Φ90/Φ184 | 2000 | 400-500 | 3-35 |
Technical Date ( Description)
Material | 38 38CrMoALA,SKD61,D2 etc. |
Hardness After Hardening&Tempering | HB260-290 |
Depth of Nitrided | 0.5-0.8mm |
Hardness of The Surface | Hv950-1100 |
Surface Roughness | Ra0.4um |
Linearity of Screw | 0.015mm/m |
Technical Date ( In detail)
| Technical Parameter |
Base Material | 1)38CrMoAlA(JIS SACM645);2)Cr12MOV(JIS SKD-11) ;
3)4Cr5MoSiV1(JIS SKD-61) ;4)42CrMo(AISI 4140) |
| Bimetallic Alloy Materials | 1)Fe-based alloy 2)Ni-based alloy/Deloro alloy
3)Co-based alloy 4)NiCo-based alloy
5)Tungsten Carbide/Wolfram carbide |
| Double-alloy level | Level A - containing Tungsten of 40%
Level B - containing tungsten of 25%
Level C - containing tungsten of 15% |
| Surface Treatment | Heat Treatment
High Frequency Treatment
Nitriding treatment(120 Hours):
Depth of Nitrided Layer: 0.5-0.8 mm
Hardness of Nitrided Layer: 900-1020Hv (HRC56°-65°)
Hard Chrome Plating treatment:
Thickness of Hard Chrome Plating Layer: 0.05-0.10mm
Hardness of Hard Chrome Plating Layer: ≥950HV
Nickel alloy plating.treatment:
Bimetallic Barrel/Cylinder: Centrifugal Casting (Inlay Alloy)
Bimetallic Screw: Plasma Alloy Coating Spraying
Depth of Bimetallic Layer: >2mm
Hardness of Bimetallic Layer: HRC55°-72°
Spraying corrosion wear-resisting dual metal layers |
| Basic information | Roughness of the surface:Ra0.4um
Linearity of the screw: ≤0.015mm
Linear axis limit: ≤0.02mm
Hardness after Hardening & Tempering: HB240-280
Fragility of Nitration:≤Two class |
| 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), PVC + 30% CaCo3, etc |
Conical twin screws with bimetallic:
Twin conical barrels:
Bimetallic Barrel:
Our Conical Twin Screw and barrel could serive high addtive of CaCo3 and wood.
The compression ratio of the screw canbe designed according to different products and mixtures.
If you have any inquiry, do not hesitate to inform us.
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Application for:
Our Conical twin screw and barrel is good in quality and competitive in price. We manufacture Rubber Screw Barrel and supply OEM, ODM service according to your requirement.
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