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Analysis and Design of Machine Elements
book

Analysis and Design of Machine Elements

by Wei Jiang
April 2019
Intermediate to advanced content levelIntermediate to advanced
528 pages
14h 4m
English
Wiley
Content preview from Analysis and Design of Machine Elements

3 Detachable Joints and Fastening Methods

Photo displaying various detachable joints, bolts, bearings, screws, nuts, and locking devices.

Nomenclature

A
effective area of contact surface, mm2
d
major diameter, mm
d 0
diameter of bolt shank, mm
d 1
minor diameter, mm
d 2
mean diameter, mm
F
external tensile load per bolt, N
F i
load carried by individual bolt in a group, N
F max
maximum load in a bolt group, N
F s
shear load acting on each bolt, N
F Σ
total external load, N
f
coefficient of friction
h
thread height, mm
i
the number of contact surface
K s
antiskid factor
k b
stiffness of the bolt
k m
stiffness of the clamped members
L i
distance from y‐axis to the bolt axis, mm
L min
minimum length of bearing surface, mm
l
lead, mm
M
overturning moment, N mm
n
number of threads, start
p
pitch, mm
Q
total load in the bolt, N
Q′ p
resultant load in the clamped members, N
Q p
preload, N
r i
radial distance between centroid and ith bolt centre, mm
S
safety factor
S p
safety factor for crushing
T
torque, N mm
T 1
frictional torque in the thread, N mm
T 2
frictional torque at bearing surface, N mm
W
effective section modulus, mm3
z
number of bolts in a joint group
α
thread angle, °
β
helix angle, °
γ
lead angle, °
λ
deflection, mm
σ
tensile stress, MPa
σ ca
calculated tensile stress, ...
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Publisher Resources

ISBN: 9781119276074Purchase book