The sedan camshafts re-melting and chilling process and production technique of shell mold camshaft castings to be re-melted and chilled were introduced.
介绍重熔淬火硬化处理凸轮轴工艺，以及供重熔淬火用的壳型凸轮轴的生产工艺。
2
The sedan camshafts re-melting and chilling process and production technique of shell mold camshaft castings to he re-melted and chilled were introduced.