Crane Hoist Specs: jib
Crane and hoist load ratings, duty classifications, and design parameters for overhead bridge cranes (single/double girder, top running/underhung), gantry cranes, jib cranes, monorails, and electric chain/wire rope hoists. Covers CMAA Classes A-F, FEM/ISO mechanism groups M2-M7, safe working load, span, bridge/trolley/hoist speeds, design life, and load spectrum factor per ASME B30 series, CMAA 70/74, FEM 1.001, ISO 4301-1.
| crane type | record id | cmaa class | crane subtype | design life cycles (cycles) | fem iso group | hoist speed fpm (ft/min) | hoist speed mpm (m/min) | hook approach min in (in) | load spectrum factor (dimensionless) | notes | power hp (hp) | span m (m) | swl kg (kg) | swl tons (short tons) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| jib | JIB_FREESTANDING_1t_B | B | freestanding_jib | 200,000 | M3 | 8 | 2.4 | 3 | 0.25 | Floor-mounted freestanding jib; 360 deg rotation; ergonomic workstation | 2 | 4.6 | 907 | 1 |
| jib | JIB_FREESTANDING_3t_C | C | freestanding_jib | 500,000 | M4 | 15 | 4.6 | 3 | 0.5 | Freestanding jib; moderate service; production area material handling | 5 | 6.1 | 2,722 | 3 |
| jib | JIB_WALL_1t_B | B | wall_mounted_jib | 200,000 | M3 | 8 | 2.4 | 3 | 0.25 | Wall bracket jib; 180 deg rotation; 10 ft radius typical; floor to ceiling | 2 | 3.1 | 907 | 1 |
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