Aimed at Jetta steering knuckle, the technology of two forging steps in one heat was presented, which combined precision pre-forging by extrusion-belt obliterated extrusion with open finish-forging.

• 以捷达轿车转向节为研究对象，制定了挤压带式可分凹模闭塞挤压精密预制坯和开式终锻成形相结合的“一火两锻”成形工艺。