2022 New Design TSE-95D Twin Screw Extruder
Product Description
The screw elements and kneading blocks are designed by preciseprocessed, agile combination, with interchangeability, which can fufil efficient sel-cleaning, transmission, compoudning, presure-forming, etc. The screw is made of high tool steel 38 CrMoALA or W6Mo5C4V3 by special heat-treatment, which is prossessed with high corrosion-resistant and high functions.
Engineer plastic generally means SAN, ABS, PET, PBT, POM, PMMA, PA6, PA66, PC and all reinforced and modified polymers used in injection and extrusion applications.
Applications：automotive, electrical, blow moulding, film and pipe extrusion, fiber, etc.
Processing methods: short fiber reinforce compounding and long-fiber thermoplastic (LFT).
The twin-screw extrusion machine offers high efficiency, strong mixing capability, and precise control for processing various plastic materials. It ensures uniform extrusion, stable performance, and wide application in compounding, granulation, and recycling.
The high torque extruder is engineered for demanding compounding applications that require intensive mixing and high output. With a powerful gearbox and optimized screw design, it delivers greater torque transmission, improved processing stability, and enhanced material dispersion. Ideal for producing engineering plastics, masterbatches, and high-filled compounds.
Twin Screw Pelletizing Extruder – Q&A Guide
Q1: What is a twin screw extruder mainly used for?
A: A twin screw extruder is mainly used for plastic compounding and pelletizing, such as mixing polymers with additives, fillers, pigments, or recycled materials, and converting them into uniform plastic pellets for downstream processing.
Q2: What materials can be processed on a twin screw pelletizing machine?
A: Twin screw pelletizing extruders are suitable for:
PP, PE, ABS, PS, PET, PA, PVC compounds
Masterbatch and color compounds
Filled and reinforced plastics (CaCO₃, talc, glass fiber, etc.)
Recycled plastics and re-compounded materials
Biodegradable materials such as PLA and PBAT
Q3: How does a twin screw extruder work in plastic pelletizing?
A: The working process can be summarized in four main steps:
1. Feeding
Plastic granules or powder are fed into the extruder through the hopper and feeding system in a controlled and continuous way.
2. Conveying & Plasticizing
The twin screws rotate together, conveying the material forward.
During this process, the material is subjected to:
Shear force
Friction
External barrel heating
This combination melts the plastic and ensures uniform mixing.
1. Mixing & Pressurizing
The special screw design creates strong mixing and stable pressure, allowing additives, fillers, or pigments to be evenly dispersed in the melt.
2. Pelletizing Preparation
The fully melted and homogenized plastic exits the extruder head and is sent to a pelletizing system (strand cutting, water-ring, or air-cooling pelletizing).
Q4: Why are twin screw extruders better than single screw extruders for pelletizing?
A: Compared with single screw extruders, twin screw extruders offer:
Stronger mixing and dispersion ability
Better control of residence time
More stable quality for compound pellets
Easier processing of powder, fillers, and recycled materials
That is why twin screw extruders are widely used for plastic compounding and granulation.
Q5: What role does shear and friction play in the process?
A: Shear force and friction are essential for:
Melting plastic efficiently
Dispersing additives uniformly
Improving pellet density and consistency
Proper shear ensures good pellet quality without material degradation.
Q6: How important is the control system in a twin screw pelletizing extruder?
A:The control system is critical. It allows real-time monitoring and adjustment of:
Feeding rate
Screw speed
Barrel temperature
Melt pressure
This ensures stable operation, consistent pellet quality, and repeatable production results.
Q7: Can a twin screw extruder adjust to different pellet formulations?
A: Yes. By adjusting screw configuration, speed, temperature zones, and feeding methods, a twin screw pelletizing extruder can handle different formulations and material combinations efficiently.
Q8: Is a twin screw extruder suitable for continuous production?
A: Absolutely. Twin screw pelletizing machines are designed for continuous, stable, and industrial-scale pellet production, especially for compound and modified plastics.
Q9: What is the main output of a twin screw extruder?
A: The final product is plastic pellets (granules) with:
Uniform composition
Stable size
Consistent quality
These pellets are then used by customers for injection molding, extrusion, or other plastic processing methods.
Q10: Who should choose a twin screw pelletizing extruder?
A: A twin screw pelletizing extruder is ideal if you:
Produce plastic compounds or masterbatch
Work with fillers, pigments, or recycled materials
Need stable and repeatable pellet quality
Want better mixing and process control
Plastic strand granulation is an efficient and reliable solution for producing high-quality plastic pellets. By precisely cutting molten plastic strands into uniform shapes, this process ensures excellent consistency, easy handling, and optimal performance for downstream applications. Ideal for a wide range of polymers, our strand granulation systems are designed to boost production efficiency, reduce waste, and deliver superior pellet quality to meet the demands of modern manufacturing.
The production-scale extruder machine is designed for large-scale processing, offering stable performance, high output, and consistent product quality across various industrial applications.
The Twin Screw Extruder Complete Line integrates feeding, extrusion, cooling, and pelletizing into a full production system, providing efficient compounding, stable output, and high-quality pellet production for various polymers and additives.