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Revision 8.6
SECTION 2 : SYSTEM DESIGN
13
Applications
Power station cranes.
Light workshop cranes.
Light stores duty cranes.
Light general load handling cranes
2.4.2
Severe Duty (Based on 40% of nominal load permanently on hook).
The following lists the severe duty parameters:-
Characteristics
Rated starting class
- 150 to 600 starts per hour.
Cyclic duration factor
- 40% or 60%
Max. Ambient Temperature
- 60ºC
Altitude above sea level
- < 1 500 meters
The typical severe duty applications are as for BS 466:1984 cranes with a group mechanism in M5 to
M8 heavy duty, workshop, warehouse and general hook service. The following lists typical severe duty
applications:-
Applications
Crane for grabbing work.
Ladle crane for foundry work.
Magnet crane for stockyard work.
Magnet crane for scrap yard work.
Process crane.
Shipyard crane.
Ladle crane.
Pig/scrap breaking crane.
Ingot stripper.
Stocking pit mould-handling crane.
Vertical ingot charger.
Furnace charging crane.
Forging crane.
Heavy mill service crane.
Heavy-duty service and maintenance crane.
