Shrink Fit Collar Rings | CuBe / CuCrZr
Material No. Unified Numbering System (UNS): C17200, C18150
Chemical Composition
| Element | Cu | Be | Cr |
|---|---|---|---|
| Min (%) | Rem | 1.8 | 0.5 |
| Max (%) | Rem | 2.0 | 1.2 |
1. High yield strength to resist centrifugal forces.
High mechanical strength shrink fit collar retaining rings engineered to restrain high speed rotor windings in turbo alternators.
Common Fabrication Processes
Forging
Ring Rolling
Age Hardening
Precision Grinding
Mechanical & Electrical Properties
| Form | Range in mm | Tensile Strength in N/MM² | Elongation in % | Rockwell Hardness HRB | Conductivity% |
|---|---|---|---|---|---|
| Collar Ring | Precipitation Hardened | 900-1100 | 5 | 300-350 HB | 22-45 |
Physical Properties
| Yield Strength 0.2% Proof Stress | ≥800 MPa |
Applicable Form & Size
| Form | Size Dimensions |
|---|---|
| Collar Ring | OD: Ø150 mm - Ø900 mm | Custom per drawing |
Apart from above we can also manufacture as per customer specification.
Typical Industrial Applications
Electrical Sector
- Turbo Generator Winding Retaining Rings
Industrial & Automotive Sector
- High Speed Rotating Shaft Collars