BLOOM(suzhou) Materials Co.,Ltd
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Conical Twin Screw Barrel PE HDPE PVC Plastic Conical Twin Screw Barrel
1 . Description
Our conical-twin screw barrel is mainly used for processing PVC products, such as PVC pipes, profiles, sheets, pellets and films.
this series of conical twin screw barrels bring advantages such as long lasting service life, high output and better mixing and
improved homogeneity. The screw geometry design has been further optimized and can also be customized according to your specific
PVC material formulations.
Material: High quality 38CrMoAlA 42CrMo
Treatment: Nitriding,Bimetallic,Electroplating
Diameter of Screw: Can be cusomtizedΦ15mm~ Φ300mm
Screw Type: Vented type non-vented type, high-wear type,Barrier flight type, Mix type ect
Suitable for: PP,PE,ABS,PVC,TPE ect
Benefit: Improved product quality,increase plasticizing rate,minimize wear,boost output
2 . Models
Conical Twin Screw Barrel for Extruder Parts.
1.China famous brand screw barrel
2.Factory direct with high -tech
3.Specially in bimetallic technique,wear-resistant
4.Certificatoni:ISO.
5.Fast delivery time.
Model type:φ45/90,φ45/100,φ50/105,φ51/105,φ55/110,
φ55/120,φ58/124,φ60/125,φ65/120,φ65/132,φ68/143,
φ70/140,φ75/150,φ80/143,φ80/156,φ92/188,etc.
The compressioin ration of screw can be designed according to different raw material and products.
Application:PP,PE,ABS,PVC,Pelleting,Pipe,Profile,Sheet,WPC,PVC,Soft PVC etc
3 . Material with processing technology
| Base Materials: | 1)38CrMoAlA(SACM 645) |
| Bimetallic Alloy Materials: | 1)Fe-based alloy |
| Processing Technology: | Heat treatment |
4 . Surface Treatment
Heat Treatment
High FrequencyTreatment
Nitriding treatment(120Hours):
Depth of Nitrided Layer: 0.5-0.8mm
Hardness of Nitrided Layer: 900-1020Hv(HRC56°-65°)
HardChrome Plating treatment:
Thickness of Hard Chrome Plating Layer:0.05-0.10mm
Hardness ofHard Chrome Plating Layer: ≥950HV
Nickel alloyplating.treatment:
Bimetallic barrel / Cylinder: Centrifugal Casting(Inlay Alloy)
BimetallicScrew: Plasma Alloy Coating Spraying
Depth of Bimetallic Layer: >2mm
Hardness of Bimetallic Layer: HRC55°-72°
Spraying corrosion wear-resisting dual metallayers
5 . Comparsion of the output (LDPE)
Pressure is generated if resin passes over the barrier, forcing any air in the melted resin back to the feed side and effectively preventing the intrusion of air bubbles on the sub flight side. This is highly effective with resins that generate bubbles such as PS, PA, PET and EVOH.
6 . Conical twin screw and barrel application
1)PP
2)PE
3)PVC
4)WPC
5)SHEET/PIPE/PROFILE/ FOAM BOARD
6)CRANULAR TWIN SCREWS EXTRUDERS
7 . As per customer's demand,we can also supply below:
PVC/PE Film Blowing Screw;
Blow Molding Screw;
PS/PE/PP/ABS Sheet Extrusion Screw;
PE Aluminum Plate;
PPR Pipe Screw;
EVA Extrusion Screw;
HDPE High efficiency Screw;
PET Straps Screw;
XPS/EPE Foamed Screw;
Granulation Screw,Vented single screw etc.