Large Aluminium Body Castings Replace Dozens Of Parts
A single rear underbody casting can replace sixty to eighty stamped and welded parts and the joining operations between them, removing assembly line length, welding robots, and dimensional variation at once. Manufacturers adopted it first on battery platforms where the floor is flat and the packaging permits it. The casting itself is worth far more than any individual part it displaces, and it requires press tonnage, alloy expertise, and thermal management that most die casters simply do not have. That concentrates the work in very few hands and rewrites the supplier map on any platform that adopts it.
Market Impact: Requalification costs about USD 85,








