Heavy EquipmentExcavator
H-Link casting (~621 lbs)
Two-pin geometry – both bore centres and parallel alignment critical. Fatigue life dominated by casting soundness and bore geometry.
Specifications
Material
Cast Steel A148 Gr105-85 / Gr120-95
Material Class
Cast Steel
Common Processes
Resin sand; Q&T
NDT & Inspection
UT (Level 2); MT; dimensional CMM (both pin bores – concentricity & spacing); hardness; Charpy
Typical Specs & Notes
Two-pin geometry – both bore centres and parallel alignment critical. Fatigue life dominated by casting soundness and bore geometry.
⚠ Caveats
Two-pin geometry – both bore centres and parallel alignment critical.