Page 81 - Analysis and Design of Machine Elements

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Detachable Joints and Fastening Methods

Nomenclature i the number of contact surface
K s antiskid factor
A effective area of contact surface, k b stiffness of the bolt
mm 2 k m stiffness of the clamped members
d major diameter, mm L distance from y-axis to the bolt axis,
i
d diameter of bolt shank, mm mm
0
d 1 minor diameter, mm L min minimum length of bearing surface,
d mean diameter, mm mm
2
F external tensile load per bolt, N l lead, mm
F i load carried by individual bolt in a M overturning moment, N mm
group, N n number of threads, start
F maximum load in a bolt group, N p pitch, mm
max
F s shear load acting on each bolt, N Q total load in the bolt, N
F Σ total external load, N Q ′ p resultant load in the clamped
f coefficient of friction members, N
h thread height, mm Q p preload, N

Analysis and Design of Machine Elements, First Edition. Wei Jiang.
© 2019 John Wiley & Sons Singapore Pte. Ltd. Published 2019 by John Wiley & Sons Singapore Pte. Ltd.
Companion website: www.wiley.com/go/Jiang/analysis_of_machine_elements