Zhoushan Sheen Machinery Co., Ltd.

China Manufacturer with main products: Screw Barrel, Single Screw Barrel, Conical Twin Screw Barrel, Parallel Twin Screw Barrel, Bimetallic Screw Barrel, Extruder Screw and Barrel,...

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Conical twin screw and barrel

FOB Price: 100.00 - 1,000.00 USD/Set
Supply Ability: 300 Set/Sets per Month
Shipping: 25 working days after 30%payment
Payment Terms: L/C, T/T, Western Union
In Stock
Export Markets: South America, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia
Packaging Details: packed in the wooden case with film and brush oil

Quick Details

  • Model Number: 1
  • nitriding treatment: alloy material

Specifications

Conical twin screw and barrel

Specification:35/76, 45/90, 45/97, 50/105, 51/105, 55/110, 60/125, 65/120, 65/132, 70/140,75/150, 80/143, 80/156, 80/172, 92/188, 95/191,105/191,100/200

Conical twin screw featurs:

1:Compressing rate of screw can be designed according to different raw materials and products       

2:Twin screw and barrel made: CINCINNATI, BATTENFELD, KRUSSMAFFEI, BAUSANO and AMUT model spares.

Application:      

1)PVC sheet extrusion line,From film to plate, from the wafer to the thick slices, calcium powder content more than 5% ;

2)PVC/PPR pipe extrusion line,the calcium powder 80%-120%,150%-200%,250%-300%;       

3)PVC profile extrusion line; PVC/PE wood plastic extrusion line.       

4)PVC palletizing extrusion line,Transparent granulation(create particle good diaphaneity, not yellowing - no exhaust machine barrel),grey granulation (particle good color and luster, full - machine barrel with exhaust)      

5)PVC foam production line,PVC free foaming, crust foaming,half crust foaming;


Screw barrel technical details

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 9.5%

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°

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),etc

General Terms

Means of transport: Ocean,Air,Express

Production time: About 25 days after we receive the deposit and lead time will different according to the order quantity!

Our screw and barrel processing flow

Customer order----Product design(customer drawing)---Production flow arrangement----Material Procurement---Hardening and tempering--

--Drilling---Rough turning---Rough thread rolling(Alloy spray welding)---alignment---Fine thread rolling---Mixing---Alignment---High frequency treatment---Alignment---Polishing---Grinding----120 hours Nittriding treatment---Acid piclking----Polishing---Chrome plating----O.D.Grinding---Packaging and Shipping.

Our screw and barrel processing flow

Customer order----Product design(customer drawing)---Production flow arrangement----Material Procurement---Hardening and tempering--

--Drilling---Rough turning---Rough thread rolling(Alloy spray welding)---alignment---Fine thread rolling---Mixing---Alignment---High frequency treatment---Alignment---Polishing---Grinding----120 hours Nittriding treatment---Acid piclking----Polishing---Chrome plating----O.D.Grinding---Packaging and Shipping.

Package details

1st, products (screws or barrels) will be brushed anti-corrosive oil   
2nd,packed with film,brush oil

3rd,packed in the wooden case Bimetallic Conical Twin Scerw& Barrel for PVC Extrusion Machine

Service Process

Service Guarantee

  • Free Service Charge

    ECVV doesn't charge any service fee to Buyers for buying this product.

  • ECVV Supply

    ECVV is responsible for supply, and provides product quality inspection, fund supervision and supply chain services.

  • Product Quality Commitment

    ECVV China Sourcing Agent will assess the reputation and supply ability of the factory and conduct field trips to select the high-quality Chinese factories for buyers.

  • Deposit Service Commitments

    In order to improve the quality of service, ECVV will charge for a 100CNY deposit for the agent purchasing order, and the deposit will be part of subsequent purchasing costs.

    After paying a deposit, if the purchasing order is not completed because of unsatisfied ECVV services, ECVV will refund your deposit.

Ecvv Trade

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