Technologies
Mobile loading cranes

These are mechanically-welded structures in flame-cut sheet metal of complex shapes, dictated by weight, dimensions and the need to accommodate components in the frame and turret. The materials used are high-strength steels (690, 890 N/mm ² or more). For equipment subjected to severe operating conditions, endurance calculations lead to the use of materials with lower yield strengths (355 or 235 N/mm ² ), with unfavorable repercussions on machine weight.

Structures need to be designed as simply as possible to eliminate the risk of weld defects and stress concentrations that can lead to weakening or failure. Optimizing these structures has become an important...