Maeda MC405C-3 - Crane Terminology; Terms and Definitions

Mini-Crawler Crane M A E D A Section 3 – CRANE TERMINOLOGY
1/2019 MC405C-3 3-3
CRANE TERMINOLOGY
Terms and Definitions
Rated Total Load
This is the maximum load that can be applied
according to a boom length and angle. The load
includes the mass (weight) of hoisting
accessories (hooks) and slinging ropes. For
additional information, see "RATED TOTAL
LOAD CHARTS" on page 3-13.
Fig. 3-1
Rated Load
A load derived by subtracting the mass (weight)
of hoisting accessories (hooks) and slinging
ropes from the rated total load.
Working Radius
A horizontal distance between the axis of slewing
and the hook centre.
Fig. 3-2
Boom Length
A distance between the boom primary pin and
the sheave pin of the end boom.
Fig. 3-3
Boom Angle
An angle which the boom forms with the horizon.
Fig. 3-4
Lifting Height Above Ground
A vertical distance between the hook bottom and
the ground with the hook raised to the upper limit.
Fig. 3-5