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High Torque Twin Screw Extruder Gearbox for Modular Compounding Lines

This high torque twin screw extruder gearbox is designed for modular compounding and continuous processing lines. Based on long-term field operation feedback, the ZT-NX series focuses on transmission accuracy, load stability, and long service life. ZHITIAN provides a standardized yet highly adaptable gearbox solution compatible with most mainstream twin screw extruders, supporting stable operation under demanding processing conditions.
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  • ZT-NX

  • zhitian

What is the ZT-NX Twin Screw Extruder Gearbox?

The ZT-NX twin screw extruder gearbox is a parallel-shaft, high-torque transmission unit developed for co-rotating twin screw extrusion systems. It is engineered to deliver stable torque output, precise screw synchronization, and long-term reliability in continuous production environments.

Developed by ZHITIAN based on the mature ZT-N platform, the NX series is not a complete redesign, but a systematic optimization of structure, manufacturing details, and standardization. The gearbox is widely used in plastic compounding, masterbatch production, food processing, and other extrusion applications requiring consistent torque and operational stability.

ZT-NX gearbox for twin screw extruder

Parameter Description
Model Range NX 50 / 52 / 58 / 65 / 75 / 85 / 95
Shaft Arrangement Parallel twin output shafts
Torque Level High torque, application-dependent


Why choose this gearbox?

1. Optimized Structure for Long-Term Stability

The gearbox housing and internal layout are refined to improve load distribution and bearing support. This reduces vibration, noise, and fatigue during long-term operation.

2. High Torque Density with Stable Transmission

The ZT-NX gearbox provides high torque output while maintaining compact dimensions. Gear profiles are optimized to ensure smooth power transmission and precise screw synchronization.

3. Improved Manufacturing Compatibility

Design improvements allow better manufacturing consistency and interchangeability across different sizes. This helps control cost without sacrificing performance.

4. Proven Reliability from Field Applications

Based on years of customer operation data and engineering feedback, the NX series reflects real-world performance requirements rather than theoretical optimization alone.

5. Cost-Effective System Solution

While maintaining the performance level of mature designs, the ZT-NX series offers improved cost efficiency, making it suitable for both equipment manufacturers and end users.


Which industries can use this gearbox?

The ZT-NX twin screw extruder gearbox is suitable for:

  • Plastic compounding and modification

  • Masterbatch production

  • Food extrusion and processing

  • Chemical and functional material processing

  • Recycling and reprocessing extrusion lines

It supports stable operation in both standard and customized extrusion systems.

ZT-NX gearbox for twin screw extruder

FAQ

How to choose the right twin screw extruder gearbox?

Selection depends on screw diameter, torque requirement, material characteristics, and operating speed. ZHITIAN recommends evaluating long-term load conditions rather than peak torque alone.

What is the difference between NX and traditional N series gearboxes?

The NX series is based on the proven N platform but includes systematic improvements in structure, manufacturing detail, and standardization, resulting in better cost-performance without changing core performance indicators.

Is the ZT-NX gearbox compatible with existing extruders?

Yes. The NX series is designed to match most mainstream twin screw extruder interfaces, making it suitable for both new equipment and replacement projects.

Which markets is this gearbox designed for?

It is widely used in Europe, the Americas, and Asia, supporting industrial, food-grade, and functional material extrusion applications.


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  zt@njzhitian.com
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