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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

8 Gear Drives

Photos of 12 gear drives.

Nomenclature

a
centre distance, mm
b
face width, mm
c
clearance, mm
d
diameter of reference or pitch circle, mm
d a
diameter of addendum circle, mm
d b
diameter of base circle, mm
d f
diameter of dedendum circle, mm
d m
mean diameter, mm
d 1t
trial diameter of pitch circle, mm
d v
pitch diameter of virtual spur gear, mm
E
elastic modulus, MPa
F a
axial force, or thrust force, N
F ca
design load, or actual load, N
F n
normal force, N
F r
radial force, or separating force, N
F t
tangential force, or transmitted force, N
h
tooth height, mm
h a
addendum, mm
h F
bending moment arm, mm
h f
dedendum, mm
i
Speed or velocity ratio, transmission ratio
j
number of gear teeth meshing per revolution
K
load factor
K A
application factor
K FN
life factor for bending stress
K HN
life factor for contact stress
K t
trial load factor
K v
dynamic factor
K α
transverse load factor
K β
face load factor
L
contact length, mm
L h
design life in hours, h
l
lead, mm
m
module, mm
m m
mean module , mm
m n
normal module, mm
m nt
trial normal module, mm
m t
transverse module, mm
N
number of load cycles
n
rotational speed, rpm
P
transmitted power, kW
p a
axial pitch, ...
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Publisher Resources

ISBN: 9781119276074Purchase book