Open Die Forging Process
SHAFTS |
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| 1. Starting stock, held by manipulator. | 2. Open-die forging. | 3. Progressive forging. | 4. Lathe turning to near net-shape. |
DISCS |
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| 1. Starting stock. | 2. Preliminary upsetting. | 3. Progressive upsetting/ forging to disc dimensions. |
4. Pierced for saddle/mandrel ring hollow "sleeve type" preform. |
SADDLE/MANDREL RINGS |
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| 1. Preform mounted on saddle/mandrel. | 2. Metal displacement-reduce preform wall thickness to increase diameter. | 3. Progressive reduction of wall thickness to produce ring dimensions. | 4. Matching to near net shape. |
HOLLOW "SLEEVE TYPE" FORGING |
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| 1. Punched or trepanned disc on tapered draw bar. | 2. Progressive reduction of outside diameter (inside diameter remains constant) increases overall length of sleeve. | ||