1. Development of a forging range

Almost all geometries can be obtained by cold forging, but the industrial objective remains competitiveness. This means minimizing overall costs to meet functional requirements.

Experience in this field is essential, as it enables us to direct the search for compromise shapes and tolerances during preliminary discussions with other partners (always bearing in mind the consequences on the manufacturing range, and therefore on costs, of the orientations that emerge during these preliminary discussions).

The number of possible variants is so great that the first choices are made on the basis of rough rules to quickly check design ideas. Options often depend on the equipment available. The size of production runs justifies the search for a more elaborate design, generally involving a more complex range.

The more detailed...

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Development of a forging range

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page Steel cold forging - Forging range and extruded parts

Design of the extruded part. Design examples

Bibliography

- Références
(1) - KUDO (H.) - Neuere Fortschritte und Anwendungen der Kaltumformung in Japan - . International Cold Forging Congress Brighton 1-3 oct. 1975 254 p. International Cold Forging Group. I.C.F.G. Correspondant Français : CETIM.

Economic data

In France, there are two types of forge: integrated forges belonging to automakers, and stand-alone forges. Production by stand-alone forges alone rose from 4,850 t in 1970 to around 34,000 t in 1996. Figure A shows the evolution of tonnage delivered by stand-alone forges. At present, the automotive industry accounts for 94% of independent forges' output. The remainder is divided mainly between agricultural machinery and...