Connecting rod with a split rod-eye

摘要

Connecting rod having a surface hardened big end (1b) with a rod part (2) and a cap (3) part joined with each other at respective fracture split surfaces, wherein at least an inner part of the big end is unhardened and/or wherein a smallest distance either between an inner boundary line and an outer boundary line or between outer edges of the fracture split surfaces is smaller than or equal to twice a thickness of a hardened surface layer of the fracture split surfaces.