Why Choose Zhongtuo TR4 Roll Forming Machine?

Advantages of the Zhongtuo TR4 Roll Forming Machine

While the TR4 profile itself offers excellent roofing performance, the following advantages come from Zhongtuo's machine design and manufacturing technology, ensuring higher production efficiency, longer service life, and better product quality.


1. Optimized Roll Forming Design

Zhongtuo has optimized the roll forming system to ensure smooth material feeding, stable forming, and excellent profile accuracy, especially when producing long roofing sheets.


2. Manual Pull Cutter for Flexible Production

The Zhongtuo TR4 machine is equipped with a manual pull cutter, allowing customers to produce roofing sheets of different lengths from the same steel coil. This improves material utilization and production flexibility.


3. Hydraulic Shearing System

Instead of conventional cutting methods, Zhongtuo adopts a hydraulic shear cutting system that delivers clean cutting edges with minimal burrs while protecting the profile shape.


4. Blade Lubrication System

To reduce blade wear during continuous production, Zhongtuo integrates a blade lubrication system, extending blade life and reducing maintenance frequency.


5. Regrindable Cutting Blades

Instead of replacing worn blades, Zhongtuo designs the cutting system so that blades can be removed, reground, and reused, significantly reducing maintenance costs.


6. Double-Row Recessed Bolt Design

The cutting blades are secured with recessed double-row bolts, providing stronger fastening, improved cutting stability, and easier maintenance.


7. Designed for Long Roofing Sheet Production

With years of experience in roll forming technology, Zhongtuo has optimized the machine structure to ensure stable production of long roofing sheets while minimizing edge waviness.