THE INVENTION
Method of manufacturing stepped hollow forgings, especially hollow rail axle forgings.
A: Mechanics – Engines – Machinery – Tools – Industrial processes – Metallurgy
THE INVENTION
- Name of invention
- Method of manufacturing stepped hollow forgings, especially hollow rail axle forgings.
- Méthode de fabrication de pièces forgées creuses à marches, notamment pour essieux de rails.
Invention description
- Description
- The invention allows metal forming of stepped hollow shafts, especially hollow rail axle forgings. By using two sets of forming tools and a rotary chuck, high process efficiency is achieved.
INVENTORS
Grzegorz WINIARSKI
inventor 3565661214_958
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