Zhoushan Jed Machinery Co.,Ltd

Professional extruder screw product manufacturing and trade service provider in China

Rubber Screw Barrel/ Barrel and Screw Set-Extruderscrewbarrelmanufacturer,twinscrewbarrel,singlescrewbarrel.


Rubber Screw Barrel / Barrel and Screw Set

Place of Origin: Zhejiang, China

Brand Name: JED

Model Number: Rubber Food processing Screw Barrel

Base material: 38CrMoAla or 40Cr

Surface treatment: Bimetallic extrusion

Surface hardness: 900-1000HV

Surface roughness: Ra0.4

Nitride brittleness: <= Grade 2

Surface straightness: 0.015mm

Bimetallic thickness: 1.5mm~3mm

Nitride depth: 0.5~0.8mm

Alloy powder: 4 main kinds of alloy powder available

Size: as per customer's drawings

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Shipping Information 

1)Port Departure: Ningbo Port

2)Delivery time: 25 working days upon receipt of 30% deposit (days based on your quantity)

We use strong plywood or wooden case for all our products.

Technical Information For Screw And Barrel For Rubber Machine

Main Base materialsMain Alloy MaterialsProcessing TechnicsTechnical parameters
1.38CrMoAlA (SACM645)1. Ni-based alloy/Deloro alloy1. Heat treatmentNitriding layer depth:0.5-0.8mm
2. SKD-61 (Special Tool Steel)2. Tungsten carbide/Wolfram carbide2. QuenchingNitrided hardness:900-1000HV
3. 42CrMo (Ultrahigh Strength Steel)3. NiCo-based alloy3. Nitriding treatmentBimetallic layer depth:3 mm
4. DC53 (Cold Work Die Steel)4. Fe-based alloy4. Bimetallic alloy welding for screwBimetallic hardness:57~69HRC
5. W6Mo5Cr4V2 (High-Speed Tool Steel)5. Co-based alloy5. Bimetallic alloy centrifugal casting for barrelLinearity of screw:0.015mm
  6. Hard-chrome electroplatingSurface roughness:Ra 0.4


ZHOUSHAN JED MACHINERY MANUFACTORY is a professional manufacturer of extruder screw barrel, injection screw barrel, parallel twin screw barrel, conical twin screw barrel, rubber screw barrel, bimetallic screw barrel and other various types of screw barrel. At present, Jed SCREW have a professional design experienced production team. We are located in the east of Zhoushan city, Zhejiang province, close to Shanghai, Ningbo port.

ZHOUSHAN JED SCREW has strong technical force, equipped with advanced equipment and strict tests. Mostly products materials are selected from high quality powder alloy steel with the best materials to exploit market and most new materials, add reasonable process design through tempering, molding, qualitative, nitriding, fine grinding, polishing process of refining. So that the screw barrel has super-hard resistance wear, corrosion resistance, fracture resistance. In order to meet the needs of our customers, we company also provides product design, surveying and mapping, sample processing and repair manufacturing business. All of our products comply with international quality standards (ISO9001-2000). Since the establishment of the company, we are getting greatly appreciated and praise from new and old customers around the world. We will insist on the principle of quality, honest to customers, and provide our customers new information of the products and offer good quality products with good price.

Till now, our screw barrels have been exported to more than 30 countries all over the world, like USA, India, South Africa, Turkey, Russia and so on. We sincerely welcome customers to negotiate consultation and exchanges guidance. Your satisfaction is our eternal pursue and goal.



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