The figure shows a special spanner used to tighten screwed components. A torque is applied at the Tommy bar and is transmitted to the pins which engage into holes located at the end of a screwed component. (a) Using the data given in the figure calculate: (i) the diameter D of the shank if the shear stress is not to exceed 50N/mm2, (ii) the stress due to bending in the tommy-bar, (iii) the shear stress in the pins.
The figure shows a special spanner used to tighten screwed components. A torque is applied at the Tommy bar and is transmitted to the pins which engage into holes located at the end of a screwed component. (a) Using the data given in the figure calculate: (i) the diameter D of the shank if the shear stress is not to exceed 50N/mm2, (ii) the stress due to bending in the tommy-bar, (iii) the shear stress in the pins.
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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The figure shows a special spanner used to tighten screwed components. A torque is applied at the Tommy bar
and is transmitted to the pins which engage into holes located at the end of a screwed component.
(a) Using the data given in the figure calculate:
(i) the diameter D of the shank if the shear stress is not to exceed 50N/mm2,
(ii) the stress due to bending in the tommy-bar,
(iii) the shear stress in the pins.
Transcribed Image Text:5ON force applied at a distance
of 25 mm from both ends of
tommy bar
Ø25
25
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