Construction Machinery Engineering
Crane 101 — Reading Stability Through Boom Mechanics and Tipping Moment
Before it's 'a machine that lifts with great force,' a crane is 'a machine that doesn't tip over.' This article explains the differences among mobile cranes, crawler cranes, and tower cranes; the rated-load chart determined by boom and working radius; the tipping moment and stability margin at the outriggers; and how the overload-prevention device works — alongside current machines from Kobelco, Tadano, and Liebherr.