Open-die Forged Generator Rotor Shaft
- Large Forging Capability: Max single-piece weight up to 25 tons.
- Versatile Sizes: Lengths up to 6 meters, diameters up to 2.5 meters.
- Enhanced Strength: Uniform grain flow improves fatigue and impact resistance.
- Precision Machining: Post-forging tolerances can reach ±0.01 mm.
- Certified Quality: Production and testing in full compliance with ISO9001, PED, and SGS standards.
Technical Specifications
| Parameter | Specification |
| Product Name | Generator Rotor Shaft |
| Forging Type | Free Forging / Open Die Forging |
| Material Options | Nickel Alloys, Carbon Steel, Alloy Steel, Stainless Steel |
| Outer Diameter Range | 100 mm – 2,500 mm |
| Length Range | Up to 6,000 mm |
| Weight Range | 50 kg – 25,000 kg per piece |
| Shape Types | Shaft, Disc, Ring, Block, Hollow, Custom Complex Shapes |
| Tolerance (As-Forged) | ±0.5 mm – ±1.0 mm |
| Tolerance (After Machining) | ±0.01 mm |
| Surface Roughness (Ra) | ≤3.2 μm (as-forged) / ≤1.6 μm (rough-machined) |
| Heat Treatment | Annealing, Normalizing, Quenching & Tempering |
| Testing Methods | UT, MT, Hardness, Tensile, and Dimensional Inspection |
| Monthly Capacity | 500–1000 tons |
| Delivery Time | 15–30 days (urgent) / 30–45 days (standard) |
| Packaging | Wooden Cases / Steel Pallets / Customized Export Packing |
Manufacturing Capabilities
Forging Facilities
- 6300T / 3150T / 2000T free hydraulic presses.
- 5T, 3T, 2T, 1T, 750kg, 560kg electro-hydraulic hammers.
Heating Treatment Facilities
- RTX-9 series trolley furnaces in multiple sizes (5.5–8 m chamber length).
- RJ-9-850KW vertical furnace with 15 m depth.
- RTX-12-350KW high-temperature trolley furnace.
Machining Facilities
- CNC machines (max 32-ton load).
- Heavy-duty lathes and vertical mills (up to 70 tons).
- Gantry milling machines, deep-hole boring machines, grinding and turning centers.
Testing & Quality Control
- Spectrum analysis for chemical composition.
- Ultrasonic, non-destructive, and metallographic testing.
- Mechanical property test machines for yield, tensile, hardness.
Production Process
- Raw Material Selection: Use first-grade ingot steel, inspect chemical composition.
- Forging: Heat to precise temperature, perform open die or die forging.
- Heat Treatment: Quenching, tempering, or normalizing to meet mechanical targets.
- Machining: CNC turning, boring, milling, grinding, and drilling to precision ±0.01 mm.
- Inspection: Each shaft tested via 100% ultrasonic, hardness, and tensile checks.
- Packaging & Delivery: Anti-corrosion coating, safe transport packaging, global logistics support.
Additional Value-added Services
- Quench-and-temper heat treating
- Rough and finish turning
- Ultrasonic and mechanical testing
- Dimensional inspection reports
- Customized design and programming support
Quality Assurance
- Each forging carries a test bar for mechanical testing.
- 100% ultrasonic and visual inspection before shipment.
- Hardness, tensile, and metallographic verification.
- Compliance with ASTM, DIN, GB, and EN standards.
Why Choose Boberry
Integrated Production
Complete forging-to-machining production line ensures precision and fast delivery.
Advanced Equipment
Heavy-duty forging presses and CNC systems handle large, complex mechanical component geometries.
Certified Assurance
Certified production with ISO9001, PED, SGS compliance and global OEM support.
Logistics & Delivery
Lead Time: 15–30 days (urgent) / 30–45 days (normal).
Monthly Capacity: 500–1000 tons.
Packing: Wooden crates, steel frames, or per client request.
Shipment: By Sea (recommended, saves cost for forging parts) / By Air (fast but expensive).
Payment Terms: 30% deposit with balance via B/L copy; or 100% L/C at sight.
Delivery Terms: FOB, CIF, CNF.
Monthly Capacity: 500–1000 tons.
Packing: Wooden crates, steel frames, or per client request.
Shipment: By Sea (recommended, saves cost for forging parts) / By Air (fast but expensive).
Payment Terms: 30% deposit with balance via B/L copy; or 100% L/C at sight.
Delivery Terms: FOB, CIF, CNF.