Conical doube twin screw barrel

Price: 500.0~30000.0 USD
Trade Term: FOB
Payment Terms: T/T,WU
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Basic Info.
  • Brand Name: HUACHEN 
  • Material: 38CrMoAlA,SACM645,42CrMo 
  • Treatment: Nitriding and bimetallic 
  • Bimetallic layer: add 5%-45% Tungsten Carbide 
  • Apply for: PVC PE PP... ,PVC+GF,CaCo3 
  • Machine: Conical screw extruder machine 
  • Final product: Profile,sheet,board,pelletzing,etc. 
  • Machine Brand: Battenfeld,KMD,CINCINATI,WEBER,CHINA BRAND,etc. 
  • Technology: CNC Machines 
  • Specification: Φ15-Φ105 for China extruders, 
  • Packing: AA grade worden Case 
  • Place of Origin: Zhejiang  
  • Min.Order: 1 Set/Sets
  • Means of Transport: Ocean, Air
Supply Capacity
  • Production Capacity: 2000 ets
  • Packing:Worden Case
  • Delivery Date: 25-30 days

Conical doube twin screw barrel

Techinical Parameter

Materials of injection screw and barrel
Base Materials

1)38CrMoAlA(JIS SACM645) 2)Cr12MOV(JIS SKD-11)
3)4Cr5MoSiV1(JIS SKD-61)4)42CrMo(AISI 4140)


1)Fe-based alloy 2)Ni-based alloy
3)Co-based alloy 4)NiCo-based alloy
5)Tungsten carbide/Wolfram carbide

Tungsten Carbide

Level A - containing Tungsten of 40%

Level B - containing tungsten of 25%

Level C - containing tungsten of9.5%


Plastic material application
Plstic material application

1)General Plastics


3)PA + GF(Glass Fiber)

4)Flame-resistant Reinforced Plastics

5)Modified Engineering Plastics

6)All kinds of Mixed Recycled Material(in Scrap orGranule),etc


Surface Treatment

Heat Treatment

High Frequency Treatment

Nitriding treatment(150 Hours)

Depth of Nitrided Layer: 0.5-0.8 mm

Hardness of Nitrided Layer: HV1020-1070

Hard Chrome Plating treatment

Thickness of Hard Chrome Plating Layer: 0.05-0.10mm

Hardness of Hard Chrome Plating Layer: ≥950HV

Bimetallic treatment

Bimetallic Barrel/Cylinder: Centrifugal Casting (InlayAlloy)

Bimetallic Screw: Plasma Alloy Coating Spraying

Depth of Bimetallic Layer: >2mm

Hardness of Bimetallic Layer:HRC55°-72°


Basic information
Roughness of the surfaceRa0.4um
Linearity of the screw≤0.015mm
Linear axis limit≤0.02mm
Hardness after Hardening & TemperingHB240-280
Fragility of Nitration≤Two class


Basic information
Roughness of the surfaceRa0.4um
Linearity of the screw≤0.015mm
Linear axis limit≤0.02mm
Hardness after Hardening & TemperingHB240-280
Fragility of Nitration≤Two class




About conical twin screws barrel, we HUACHEN have three classes:

  1. Nitrided screws & Nitrided barrel

  2. Exrusion section bimetallic + total niriding screws & Extrusion section bimetallic + total nitriding barrel

  3. Total section bimetallic + nitriding screws & Extrusion section SKD inner case + total nitrided barrel


And about bimetallic, we HUACHEN also have 4 classes:

  1. HC-A grade: Tungsten carbide 40%

  2. HC-B grade: Tungsten carbide 25%

  3. HC-C grade: Tungsten carbide 15%

  4. HC-D grade: Bimetallic without tungsten carbide

Bimetallic screws show


Bimetallic & SKD inner case barrel show


Bimetallic injection molding machine screw barrel of ENGLE DEMAG SODICK TOSHIBAAbout HUACHEN



What are our SCREW and BARREL advantages:

First: Creative in designs, our designing team is very strong, since we have unique culture to motivate them, in order to meet requirement, we work closely to our customer and market!

Second: We have 20 years' experience of manufacturing varied screws, barrels and spares. We are keeping improving our production system day by day on the delivery, quality control, all the efforts have improved the customers' satisfaction!

Third: We are located along the beautiful East China Sea, Pearl,Zhoushan,Zhejiang,China's screw Town-Jintang, close to Ningbo Port and Shanghai Port!

Finally, We assure the customer benefits, we supply best quality and competitive price, also best customer service!


Exhibition show


ISO Certificate:

We want to approach the plasticizing business as a partner, not only as a supplier.
HUACHEN designs and produces all components for polymers transformation, like screws, barrels and all mechanical accessories.
Your targets, your applications, your materials are our working parameters for wastes reducing and quality improvement.
HUACHEN produces high quality products by optimizing the plasticizing process, reducing time, with the lowest percentage of wastes and at the lowest possible cost!
Our long experience in designing and producing all components of plasticizing groups, together with our knowledge of the melting process,allows us to understand your needs and to offer our best solutions at avery reasonable price!

Please contact us,if you have any questions. Mail,phone,skype all are OK.
My skype:lillianyao0421



Send message to this supplier
Ms. Emilie Zhang (Manager)
Tel: 86-580-8052288
Mobile: 13967236330
Enter between 20 to 3,000 chatacters.
Contact Method
Zhejiang Huachen Screw Manufacturing Co.,Ltd
NO.1 Liuhang Road,Xihou Industrial Zone, Jintang Town, Dinghai District, Zhoushan, Zhejiang, China (Mainland) / 316031
Fax: 86-580-8053878
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