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Rotor Disc Forging
Rotor Disc Forging
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This forging is used as a disc-type preform for rotor assemblies in turbines, compressors, and heavy rotating systems. Compared with a general disc blank, rotor disc forgings place greater emphasis on material uniformity, rotational performance potential, and machining stability. They are typically supplied for downstream turning, boring, balancing, and finish machining according to the specific rotor design. Disc-type forgings of this class are often purchased when the customer needs a solid circular preform with better section integrity than plate cuttings or cast alternatives can provide. Typical downstream operations include turning, boring, facing, balancing, and profile machining for heavy round parts, rotor components, covers, or other functional discs. According to the application, the blank can also be arranged with rough machining, heat treatment, and inspection so that later finishing work starts from a more stable forged base.
| Parameter | Description |
|---|---|
| Key Features | Rotational balance, microstructure uniformity, high-speed service performance |
| Typical Materials | 34CrNiMo6, 42CrMo4, 17CrNiMo6, per drawing |
| Size Range | Diameter 500~3000mm / Thickness 80~500mm / Unit Weight ≤40 tons |
| Typical Applications | Turbine rotor discs, compressor rotor discs, generator rotor discs |
| Supply Condition | Quenched & tempered / Rough machined (faces + OD + center bore) |
| Inspection & Docs | UT 100%, mechanical properties, grain size, UT mapping record, EN 10204 3.1 |
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