Screw components :

convenient interchangeability by agile combination.

fulfill efficient self-cleaning, transmission, compounding, pressure-forming, etc.

made of high tool speed W6Mo5Cr4V2, or anti-corrosion steel 38CrMoAIA by special treatment.

Function:

Product name: the parallel twin-screws and barrel for extrude machine

Screw Diameter: Φ22mm-Φ133mm

Material: 38CrMoAlA; 42 CrMoV; high quality alloy steel

Technology: nitriding treatment,Sprey conating Bimetallic , heat-treatment

Appliance: PP, PE, PA, PVC, PC, ABS, AS etc

Technical Index:

Depth of Nitrated Layer: 0.5-0.8mm

Hardness of nitration: 900-1020Hv

Fragility of nitration: Less than grade 1

Surface Hardness of Nitrated Cr coating layer: ≥950Hv

Hardness of Bimetallic Layer: HRC55°-72°

Thickness of Cr-coating Layer: 0.03-0.08mm

Depth of Bimetallic Layer: >2mm

They are essential and key part of extruders for material to transmission, shearing and plasticization.

Main assembling process of twin screw extruder

    Nanjing HaiSi Extrusion Equipment Co., Ltd is a High-Tech company, which is composed of well-experienced team in R&D, manufacturing technique, sales service and basing on extruder industry for many years. Our company is a professional manufacture of high quality pelletizing extruders for coloring/ dyeing and master batch production, as well as plastic modification and compounding, plastic recycling. Innovation machines are built as per the concept of durability, high efficiency and economical power consumption.

1. Q: How about Haisi? 

    R: Nanjing Haisi Extrusion Extrusion Equipment Co., Ltd. is a High-Tech company. Our firm is composed of a strong team which has substantial experience in R&D, manufacture, technique and service, and has specialized in extruder industry for ten years, leading screw barrel manufacturer in China.

2. Q: What's Haisi capacity?

    R: Our company is in strict accordance with CE and ISO9001 quality certification system. there are over 200 models of extruders and spare parts.

3. Q: What's the delivery time?

    R: For regular size, we have finished stock and semi-finished stock, 2 weeks max are enough for customized, normally 3~4 weeks.

4. Q: Where is Haisi factory and how to reach there?

    R: At Lishui, Nanjing, Jiangsu Province. If you want to visit us, we can pick you up in the airpor or train station.

5. Q: How to contact with us?

    R: Plz reply to me directly if you have any question.