Low Friction Fabrics
Fenner Precision’s low friction Fenlon™ PTFE bearing liner fabric is used in self-lubricated bearings and the company’s high temperature glass/silicone fabrics are used in heater pads.
Fenner Precision manufactures three basic styles of Fenlon™ PTFE bearing liner fabrics for use in self-lubricated bearings, slip clutches and drag brakes.
- Fabric wear face composites are manufactured from PTFE and secondary fiber sateen weave fabrics treated with thermosetting resins.
- Fiber flock face composites are manufactured from plain weave fabrics treated with thermosetting resins reinforced with PTFE fiber flock particles.
- Powder face composites are manufactured from plain weave fabrics treated with thermosetting resins reinforced with PTFE powder particles.
Custom Low Friction Fabric Specifications
The load/velocity rating of bearings containing Fenlon™ liners is governed by the thermal build-up at the glue line. The maximum glue line temperature is dependent on the liner type and is typically in the range 275°F (135°C) to 500°F (260°C). In slow speed, intermittent speed applications, the liner can carry dynamic loads up to 25,000 psi. In high, continuous speed applications, the load is much lower.
Some commonly requested custom features for bearing liner fabrics are:
- One or two pick weft insertion, depending on the weave process (rapier looms, needle looms and shuttle looms)
- Weave Style (plain, sateen)
- Yarn specifications
- Resin specifications
- Adhesive specifications
- One-side coated, two-side coated, no-sides coated
- Thickness and length