A conveyor sealer belt may be a small component, but it plays a critical role in ensuring the stability of the entire packaging line. When properly selected and applied, it not only maintains consistent sealing quality but also minimizes downtime and maintenance costs.

This article provides a clear overview of its function, types, selection criteria, and replacement signs—helping businesses make the right decisions to optimize performance and extend equipment lifespan.

What Is a Conveyor Sealer Belt?

A conveyor sealer belt is a specialized transmission belt used in continuous band sealing machines. Its main function is to transfer motion from the motor to the conveyor system, ensuring stable and continuous movement of products through the sealing process.

This allows packaging bags to pass through the machine at a consistent speed, helping to create uniform, tight, and reliable seals.

The curoa used in conveyor sealing machines is designed to operate under continuous working conditions, ensuring stable transmission, good wear resistance, and long service life. In many cases, the belt structure is reinforced to improve tensile strength, reduce elongation, and minimize slipping during operation, ensuring smooth and efficient performance.

Vai trò của dây curoa trong máy hàn miệng túi

3 Common Types of Conveyor Sealer Belts

Not all conveyor sealer belts are the same. Choosing the right type from the beginning helps avoid unnecessary costs and production interruptions.

Timing Belts

Commonly used in automatic and semi-automatic sealing machines. They provide precise transmission with no slippage, ideal for systems requiring synchronization and high sealing consistency.

Flat Belts

Suitable for light to medium loads. They operate smoothly with low vibration and are easy to replace, making them ideal for small to medium-sized production lines.

V-Belts

Designed for high-power systems requiring strong and continuous transmission. Their trapezoidal shape improves grip and reduces slipping under heavy loads.

Selecting the wrong type can reduce efficiency, accelerate wear, and negatively impact related components such as motors and shafts.

Dây curoa răng là lựa chọn phổ biến cho máy hàn tự động và bán tự động

Model & Price List of Conveyor Sealer Belts at Belota

Model Compatible Machine Common Size Material Reference Price
FR900 Belt FR900 Sealer 750 – 770 mm Rubber + Fabric 12,000 – 35,000 VND
FRD1000 Belt FRD1000 Sealer 770 – 810 mm Heat-resistant Rubber 30,000 – 40,000 VND
SF150 Belt SF150 Sealer 750 – 770 mm Synthetic Rubber 20,000 – 35,000 VND
DBF900 Belt DBF900 Sealer 770 mm Rubber + Fabric 20,000 – 35,000 VND
FRM980 Belt FRM980 Sealer 770 – 810 mm High-temp Rubber 25,000 – 65,000 VND
LD900 Belt LD900 Sealer ~750 mm Synthetic Rubber 16,000 – 30,000 VND

In addition to these common models, Belota offers a wide range of conveyor sealer belts tailored to specific machine models, lengths, thicknesses, and operating conditions. From standard belts to high-temperature and date-printing variants, all products can be customized for optimal performance.

With ready stock and an experienced technical team, Belota ensures accurate selection, proper sizing, and application-specific solutions to keep your system running efficiently while minimizing costs.

Signs Your Conveyor Sealer Belt Needs Replacement

Symptom Description Possible Cause Recommended Action
Unusual noise Squeaking or light impact sounds Slipping, misalignment, or wear Adjust tension and alignment
Unstable speed Irregular product movement Belt stretching or loss of grip Adjust or replace belt
Poor sealing quality Wrinkled, cracked, uneven seals Unstable transmission Check entire drive system
Physical damage Cracks, edge wear, elongation Natural wear or overload Replace the belt
Motor overload Higher temperature, increased power consumption Belt too tight or incorrect type Re-evaluate load and belt selection

Prompt action when these signs appear helps prevent unexpected downtime.

Important Notes When Replacing a Conveyor Sealer Belt

  • Measure accurately: Always check the length and dimensions of the old belt before replacement.
  • Identify machine type: Machines with date printing require longer belts.
  • Allow small tolerance: A few millimeters difference is acceptable due to adjustable tension systems.
  • Adjust properly after installation: Ensure correct tension, alignment, and perform a test run.

Following these steps helps ensure smooth operation and extends both belt and machine lifespan.

Dây curoa máy hàn miệng túi

FAQs

How to choose the correct belt size?

You need to identify: belt type, pitch (if applicable), and total length. The easiest way is to measure the old belt or consult Belota with photos/specs.

How often should the belt be replaced?

There is no fixed interval. For machines running continuously (2–3 shifts/day), inspect monthly and replace when signs of wear appear.

Does Belota provide custom belts?

Yes. Belota offers cutting, joining, and customization services to meet specific machine requirements with high precision.

Conclusion

Choosing the right conveyor sealer belt and maintaining it properly are essential for stable operation and minimizing unexpected issues. Businesses should combine proper selection, correct installation, and regular maintenance to maximize long-term efficiency.

Belota provides not only high-quality products but also technical consulting and customized solutions to optimize your transmission systems. Contact Belota today for expert support tailored to your specific application.