January 2026
Intermediate
900 pages
23h 23m
English
Content preview from Machine Design, 2nd Edition by Pearson
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CASE III: DESIGN OF CRANE HOOK AND THRUST BEARING
Aim: To design a crane hook and thrust bearing to lift a load of 60 kN with 50 per cent overload capacity.
HOOK
The hook is a curved bar, and the analysis of stresses in a crane hook is slightly complicated. There are different types of crane hooks, such as (1) crane hook with shank, the hook section being trapezoidal, (2) circular-section eye hook, and (3) Ramshorn hook, with double hooks, one on each side. This case study is a discussion on the crane hook with shank fitted in a thrust bearing.
The most suitable practical section for the body of a hook approximates to the triangular form with the proportions shown in Fig. 1.
Figure 1 Section for the body of a hook
Depth of crane hook section ...
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