Two Stage Extruder Machine

PVC cable compound double stage extruder is an efficient and reliable plastic processing equipment, which is widely used in the production of PVC cable material. This equipment is usually composed of two extruder units, the first stage is a twin-screw extruder, the second stage is a single-screw extruder. The twin-screw extruder is responsible for plasticizing, mixing and homogenizing the material, while the single-screw extruder is responsible for further plasticizing and extruding the material. This two-stage extrusion process can improve the plasticizing quality and extrusion efficiency of plastics.

The main features of the two-stage extruder include:

1. Perfect feeding system to handle hard to feed powder or hot premix.
2. Material extrusion is gentle, especially in the pressure building area in front of the machine head.
3. The material residence time is short and the residence time distribution is narrow.
4. The material is uniformly extruded from the template.
5. Precise temperature control.
6. Lower energy consumption.
7. Efficient devolatilities.
8. Easy to adjust to new production needs.
9. Clean fast and convenient.

Typical application areas include the production of soft and hard PVC, such as PVC cable materials (insulating materials, cladding materials and base materials), shoes and soles, pipe and profile extrusions, injection molding materials, calendered films and floor sheet materials. In addition, it is also suitable for the production of crosslinked polyethylene and special mixtures, such as low smoke halogen-free flame retardant cable material (HFFR), elastomer cable material, XLPE (peroxide crosslinked polyethylene) and so on.

The working principle of the double stage extruder includes feeding, plasticizing, mixing and homogenizing in the twin screw extruder, open melt without back pressure feeding into a single screw while allowing for deaeration, soft extrusion of the material through the single screw extruder, granulation by air cooling or eccentric water mist pelletizing machine, and other pelletizing methods can be selected

FAQ
1:Is it OK to print my logo on extruder machine?
Yes. Please inform us formally before our production
2:Can I have a sample order for extruder?
Yes, we welcome sample order to test and check quality. Mixed samples are acceptable.
3:How to proceed an order for ?
A: Firstly ,let us know your requirements or application.
Secondly ,We quote according to your requirements or our suggestions.
Thirdly ,customer confirms the samples and places deposit for formal order.
Fourthly, We arrange the production.
4: Do you offer guarantee for the products?
Yes, we offer a 1 year warranty on our products after shipment.
5:What other after-sales servic​es do you offer?
During the warranty period, we are responsible for repairing the equipment free of charge (except for wearing parts and human factors).
Good prices for wearing parts (e.g. threaded elements)

HLD is a professional manufacturing company specializing in research, development, design, and production of high-quality machinery products including “parallel twin-screw extruders,” “single-screw extruders,” as well as screw elements and kneading elements.
We have more than 20 years of experience in the plastic machinery industry, we are one of the famous machinery manufacturers in China. Exports to more than 20 countries. Perfect design and service team, The factory is over 5000 square meters. We hope that in the future, Better quality, win customer recognition.

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