TKW+3
=v
#1
:n
Pd
:s
b
:c
diametral pitch
#2
:n
Se
:s
b
:u
psi
:d
psi
:c
endurance strength
#3
:n
Cv
:s
b
:c
velocity factor
#4
:n
k
:s
b
:c
parameter relating face width to circular pitch
#5
:n
yp
:s
b
:c
Lewis form factor for pinion
#6
:n
Tp
:s
b
:u
in-lb
:d
in-lb
:c
torque on pinion
#7
:n
V
:s
b
:u
ft/min
:d
ft/min
:c
pitch line velocity
#8
:n
åw
:s
b
:u
psi
:d
psi
:c
allowable working fatigue stress
#9
:n
F
:s
b
:u
in
:d
in
:c
face width
#10
:n
pc
:s
b
:u
in
:d
in
:c
circular pitch
#11
:n
mg
:s
b
:c
speed ratio
#12
:n
np
:s
b
:u
rev/min
:d
rev/min
:c
speed of pinion
#13
:n
ng
:s
b
:u
rev/min
:d
rev/min
:c
speed of gear
#14
:n
D
:s
b
:u
in
:d
in
:c
pitch diameter of gear
#15
:n
d
:s
b
:u
in
:d
in
:c
pitch diameter of pinion
#16
:n
Ng
:s
b
:c
number of teeth in gear
#17
:n
Np
:s
b
:c
number of teeth in pinion
#18
:n
C
:s
b
:u
in
:d
in
:c
center distance of gear set
#19
:n
Wt
:s
b
:u
lb
:d
lb
:c
tangential force
#20
:n
HP
:s
b
:u
hp
:d
hp
:c
input power to pinion
=u
=l
=f
=r
#1
:r
Pd=((Se*Cv*k*(pi()^2)*Np*yp)/(2*Tp))^(1/3)
#2
:r
Cv=600/(600+V)
#3
:r
åw=Se*Cv
#4
:r
k=F/pc
#5
:r
mg=np/ng
#6
:r
mg=D/d
#7
:r
mg=Ng/Np
#8
:r
pc=(pi()*D)/Ng
#9
:r
pc=(pi()*d)/Np
#10
:r
Pd=Ng/D
#11
:r
Pd=Np/d
#12
:r
C=.5*(D+d)
#13
:r
V=pi()*d*np/12
#14
:r
Wt=(126000*HP)/(d*np)
#15
:r
Tp=.5*d*Wt
=p
=t
=n
=c
=g
#1
:c
.000001
:i
10
:t
1
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