Felt Roller Sleeves for aluminum extrusion lines are used to cover shafts and rollers on cooling tables and product discharge areas. Thanks to their high-temperature resistance, soft felt surface, and seamless tubular construction, these sleeves help minimize scratches and impact during the transportation of hot aluminum profiles. If you are looking for this product for an aluminum extrusion line, let Belota explore the details below.
What Are Felt Roller Sleeves for Aluminum Extrusion Lines?
Felt roller sleeves are high-temperature felt layers manufactured in a tubular shape and installed over shafts or rollers on aluminum cooling tables. Common materials include Nomex, polyester, PBO + Kevlar, among which PBO provides excellent heat resistance while Kevlar improves mechanical strength and wear resistance.
The sleeves can be manufactured according to the required inner diameter, length, and thickness, making them suitable for various shaft and roller sizes used in aluminum extrusion lines.
Advantages of Felt Roller Sleeves for Rollers
- Excellent heat resistance: Felt roller sleeves are designed for high-temperature areas, particularly locations where freshly extruded or processed aluminum products are transported.
- Soft surface for product protection: The felt layer reduces direct contact between the shaft and the product, helping minimize scratches, impacts, and surface marks.
- Good wear and friction resistance: The felt structure can withstand friction during continuous roller rotation and material transportation, making it suitable for regularly operating production lines.
- Tubular design for a secure fit: The tubular structure covers the roller surface evenly and provides a stable cushioning layer during operation.
- Custom manufacturing: Inner diameter, thickness, and length can be manufactured according to the actual dimensions of the shaft or roller.
Types of High-Temperature Felt Sleeves for Shafts and Rollers
Felt sleeves are manufactured using needle-punched technology, creating a felt layer with good mechanical strength and heat resistance. The construction commonly uses materials suitable for high-temperature environments around the outlet area of aluminum extrusion machines. Common types of felt sleeves available on the market include:
| Felt Sleeve Type | Material | Reference Temperature |
|---|---|---|
| PBO Felt | PBO | Up to approximately 600°C |
| PBO + Kevlar Felt | PBO + Kevlar | Up to approximately 600°C |
| Kevlar Felt | Kevlar | Up to approximately 480°C |
| Nomex Felt | Nomex + Kevlar | Up to approximately 280°C |
| Polyester Felt | Polyester | Up to approximately 180°C |
Specifications of Felt Roller Sleeves for Aluminum Extrusion
- Material: PBO + Kevlar
- Manufacturing process: Needle punched
- Color: Brown + yellow
- Thickness: 6, 8, 10 mm; custom thickness available
- Inner diameter: Φ25, Φ28, Φ49, Φ50, Φ51, Φ60, Φ62, Φ80, Φ90, Φ95, Φ100, Φ120 mm...
- Length: Custom manufactured according to requirements
- Continuous operating temperature: Up to approximately 550°C
- Peak temperature: Up to approximately 600°C
- Applications: Cooling tables, shafts and rollers in aluminum extrusion lines
Actual specifications may vary depending on the felt construction, installation position, and operating conditions of each production line.
Applications of Felt Roller Sleeves in the Aluminum Extrusion Industry
- Aluminum cooling tables: Installed over shafts and rollers on cooling tables to support and transport aluminum profiles after extrusion.
- Product discharge areas: Used at the machine outlet where aluminum profiles are still at high temperatures and need to be continuously transported.
- Aluminum profile extrusion lines: Suitable for conveyor systems used to transport aluminum profiles after the extrusion process.
- Aluminum transport rollers: The felt layer provides a soft contact surface, helping reduce direct friction between aluminum profiles and stainless steel rollers or steel rollers.
- Surface protection areas: Suitable for production lines where scratches, surface marks, or other surface damage need to be minimized during transportation.
Belota Supplies Felt Roller Sleeves for Aluminum Extrusion Lines
Belota supplies and manufactures high-temperature felt roller sleeves for aluminum extrusion lines according to the actual dimensions of shafts and rollers. Available materials include PBO, PBO + Kevlar, Kevlar, Nomex, and other options depending on the operating temperature and installation position.
To select the appropriate specifications, businesses can provide the shaft diameter, required inner diameter, felt sleeve thickness, length, operating temperature, and photos of the shaft or roller. BELOTA uses these details to recommend a suitable felt material and sleeve specification.
Conclusion
Felt roller sleeves for aluminum extrusion lines help protect aluminum profiles during transportation on cooling tables while meeting the requirements of high-temperature operating environments. With PBO + Kevlar material, the sleeves provide heat resistance, wear resistance, and a soft contact surface suitable for covering shafts and rollers. Depending on the production line, felt sleeves can be custom manufactured according to specific inner diameter, thickness, and length requirements.
