Polyester Felt Roller Sleeve is a tubular material made from needle-punched polyester fibers, designed to cover rollers and conveyor rollers in industrial production lines. With its soft felt structure, uniform contact surface, and temperature resistance of approximately 150°C for continuous operation and 180°C for peak temperatures according to product specifications, the sleeve helps reduce scratches and impact marks while protecting aluminum profiles during post-extrusion handling.
What Is a Polyester Felt Roller Sleeve?
A Polyester Felt Roller Sleeve is a type of industrial felt roller sleeve manufactured by bonding polyester fibers together through the needle-punching process. It features a seamless tubular structure designed to fit over rollers or roller shafts, creating a protective cushioning layer between the metal surface and the conveyed product.
In aluminum extrusion lines, polyester felt sleeves are commonly used on cooling tables, saw tables, and transfer sections where aluminum profiles are handled at relatively moderate temperatures. The felt layer reduces direct friction, helps prevent surface scratches, and protects the finish of aluminum profiles during conveying.
Polyester Felt Roller Sleeve Specifications
| Specification | Details |
|---|---|
| Product Name | Polyester Felt Roller Sleeve |
| Material | 100% Polyester |
| Color | White |
| Manufacturing Process | Needle Punched |
| Thickness | 6 mm, 8 mm, 10 mm, 12 mm |
| Continuous Operating Temperature | Approximately 150°C |
| Peak Temperature | Approximately 180°C |
| Inner Diameter | Ø23, Ø25, Ø49, Ø50, Ø51, Ø60, Ø62, Ø63, Ø76, Ø80, Ø90, Ø95, Ø100, Ø114, Ø120 mm, and other sizes upon request |
| Length | Custom-made to order |
| Applications | Roller covering, cooling table rollers, aluminum extrusion lines |
Note: Actual temperature resistance depends on exposure duration, load, operating speed, and system conditions. For applications involving higher temperatures, Kevlar or PBO + Kevlar felt sleeves should be considered based on the operating requirements.
Advantages of Polyester Felt Roller Sleeves
- Protects product surfaces: The soft felt layer reduces direct friction between aluminum profiles and metal rollers, helping minimize scratches and pressure marks during conveying.
- Stable heat resistance: Polyester felt roller sleeves can withstand continuous temperatures of approximately 150°C and peak temperatures of around 180°C. They are suitable for lower-temperature cooling sections in aluminum extrusion lines. For rollers that come into contact with hotter aluminum profiles, Kevlar Felt Roller Sleeves.
- may be a more suitable option due to their higher heat resistance.
- Durable felt structure: The needle-punching process creates a uniform, interconnected fiber structure that provides cushioning, distributes contact forces, and supports stable product movement.
- Flexible sizing options: Available in various thicknesses, inner diameters, and lengths, the sleeves can be manufactured to match actual roller dimensions, making installation and replacement more convenient.
Applications of Polyester Felt Sleeves in Industrial Production Lines
- Covering aluminum cooling table rollers: Installed on cooling table rollers in aluminum extrusion lines, the sleeves provide a soft contact surface, reduce direct friction with aluminum profiles, and help minimize surface scratches during conveying.
- Covering saw table rollers: Fitted over rollers to support and transfer aluminum profiles to the cutting position. The felt layer helps reduce impact and protect the surface of the profiles during feeding.
- Replacing worn roller sleeves: Used to replace felt layers that have worn down, lost thickness, or become deformed after prolonged operation. New sleeves restore the contact surface and help maintain stable production line performance.
Comparing Polyester, Kevlar, and PBO + Kevlar Felt Roller Sleeves
Depending on the operating temperature at the installation point, manufacturers can select felt sleeves made from different fiber materials.
| Felt Sleeve Type | Material | Reference Temperature Resistance | Applications |
|---|---|---|---|
| Polyester Felt | 100% Polyester | 150°C continuous, 180°C peak | Cooling tables and rollers in lower-temperature areas |
| Kevlar Felt | 100% Kevlar | Approximately 480°C | Rollers contacting high-temperature aluminum profiles |
| PBO + Kevlar Felt | PBO combined with Kevlar | Some specialized grades can withstand approximately 550–600°C, depending on construction | Extrusion press outlets and high-temperature cooling tables |
Felt sleeves should not be selected based solely on thickness or price. Actual contact temperature, aluminum profile load, and installation location are important factors when determining the appropriate material.
Belota Supplies Custom Polyester Felt Roller Sleeves
Belota Co., Ltd. supplies polyester felt sleeves for roller replacement and maintenance in industrial production lines, particularly in the aluminum extrusion industry.
The sleeves can be manufactured according to the required inner diameter, thickness, and length to match the roller assembly. For plants requiring non-standard dimensions, Belota's sales team can review the technical details and recommend a suitable supply or fabrication solution.
When placing an order, customers should provide the following information:
- Roller shaft outer diameter or required sleeve inner diameter: Ensures the sleeve fits the roller correctly.
- Sleeve thickness: 6 mm, 8 mm, 10 mm, or 12 mm.
- Sleeve length: The required length based on the roller dimensions.
- Operating temperature: The temperature at the installation point.
- Line load and operating speed: Helps determine suitability for actual working conditions.
- Roller photos or an old sleeve sample, if available: Helps verify dimensions and identify the existing material.
Providing complete specifications helps minimize dimensional errors and supports the selection of the appropriate felt type for the operating conditions.
Conclusion
Polyester Felt Roller Sleeves are suitable for rollers and conveyor rollers in aluminum extrusion lines and other applications where product surfaces need protection during conveying. Their soft felt structure, heat resistance, and range of available sizes help reduce scratches and friction while supporting stable production line operation. Belota supplies polyester felt roller sleeves made to match actual roller dimensions, supporting replacement, maintenance, and new installation requirements in industrial plants.
