CONICAL RINGS
Precision Engineering for Long-Staple Spinning
Specially designed conical-profile rings for long-staple spinning of wool, worsted, semi-worsted, and acrylic fibres. Purpose-built for worsted frames.



Product Overview
Conical Rings are specifically engineered for long-staple and worsted spinning where a flat flanged ring is unsuitable. In long-staple spinning — wool, worsted, semi-worsted, and acrylic in worsted configurations — the fibre bundle is thicker, the twist level is lower, and the traveller geometry demands a conical race profile to ensure smooth, low-vibration running.
The conical/concave running path allows the J-traveller to run at a favourable contact angle, reducing heat generation and extending traveller life. Worsted ring frames typically operate at 8,000–15,000 RPM — significantly lower than short-staple speeds — which is the primary reason conical rings deliver outstanding ring life of 10–20+ years in practice.
RGPL's Conical Rings are manufactured from imported 100Cr6 high-carbon high-chrome seamless steel, CNC-machined to the same precision standards as our short-staple range. They are available in two standard heights — 9.1 mm and 11.1 mm — with inside diameters from 45 mm to 65 mm. Compatible frames include Cognetex-Finlane, Zinser-Oerlikon Schlaforst, Edera, and other worsted frame configurations. Custom dimensions for other machine gauges available upon request.
Key Features
Technical Specifications
| Ring Profile | Conical / Concave Running Path (Worsted) |
| Material | Imported 100Cr6 high-carbon high-chrome seamless steel |
| Hardness | 950+ Vickers (HV) |
| Surface Roughness (Ra) | 0.15 μm (mirror-polished running surface) |
| Ring Heights | 9.1 mm / 11.1 mm (standard) · custom available |
| Ring ID Range | 45 mm – 65 mm |
| Ring OD | ID + conical flange width (frame-specific) |
| Ring Fitting/Fixing | Worsted-frame adapter / holder as per machine gauge |
| Traveller Type | J-type (worsted specification) |
| Coating | Hard Chrome (SIGMA-EXCEL grade) |
| Compatible Frames | Cognetex-Finlane, Zinser-Oerlikon Schlaforst, Edera, and others |
| Operating Speed | Typically 8,000–15,000 RPM (worsted frames) |
| Ring Life | 10–20+ years at typical worsted frame speeds |
| Custom Designs | Available — any gauge/height/diameter on request |
Applications
Fiber Compatibility
CONICAL RINGS
Precision Engineering for Long-Staple Spinning
Other Products


