Short Circuit End Rings | CuCrZr / CuNi2Si / Cu-ETP
Material No. Unified Numbering System (UNS): C18150, C64700
Chemical Composition
| Element | Cu | Cr | Zr | Ni |
|---|---|---|---|---|
| Min (%) | Rem | 0.5 | 0.03 | 1.6 |
| Max (%) | Rem | 1.5 | 0.3 | 2.5 |
1. Seamless ring rolled or forged construction.
High speed centrifugal ring-rolled short circuit end rings engineered for high power traction motors and industrial induction motors.
Common Fabrication Processes
Ring Rolling
Forging
Heat Treatment
Precision Balancing
Mechanical & Electrical Properties
| Form | Range in mm | Tensile Strength in N/MM² | Elongation in % | Rockwell Hardness HRB | Conductivity% |
|---|---|---|---|---|---|
| End Ring | OD minØ 200 mm | ≥360 | ≥15 | ≥70 HRB | ≥78 |
Physical Properties
| Density lb/cu in. at 20°C | 0.321 |
| Electrical Conductivity% IACS at 20°C | 75-98 |
Applicable Form & Size
| Form | Size Dimensions |
|---|---|
| Short Circuit Ring | OD: Ø270 – Ø830 mm | ID: Ø160 – Ø700 mm | Thick: 17mm to 90mm |
Apart from above we can also manufacture as per customer specification.
Typical Industrial Applications
Electrical Sector
- Traction Motor End Rings in Locomotives
- Industrial Induction Motors
Industrial & Automotive Sector
- Wind Turbine Generator Rotors