And:
Model #
Capacity
Extraneous Load Coefficients
A & B C D & E F
Torsional
Spring Rate
(in #/RAD)
Shaft dia
(inches)
Key
Width
(inches)
σ
max
(psi)
TQ514-003
50 in-oz
1030.0
56.7
223.0
4300.0
182
TQ514-006
100 in-oz
678.0
26.1
102.0
2060.0
556
TQ514-012
200 in-oz
435.0
18l0
70.5
997.0
1660
TQ514-030
500 in-oz
214.0
10.9
42.7
380.0
7120
TQ514-062
1000 in-oz
104.0
7.3
28.5
175.0
22900
.375”
Flats
18000
TQ514-100
100 in- lb
724.0
79.5
517.0
431.0
6900
TQ514-200
200 in- lb
363.0
31.6
259.0
216.0
17300
.749”
.1875”
TQ514-500
500 in- lb
145.0
9.3
103.0
86.1
59000
TQ514-1K
1000 in- lb
72.3
3.8
51.7
43.1
149000
TQ514-1.5K
1500 in- lb
55.1
2.8
37.4
33.6
281000
TQ514-2K
2000 in- lb
35.9
2.4
25.7
21.4
378000
.999”
.25”
84000
For example:
If you are using a 200 in- lb. sensor to measure 100 in- lb. of torque applied by a 10 lb. fan six inches from the
sensor,
Fx = Fz = My = 0,
Fy = 10 lbs
Mx = 10lbs * 6inches = 60 in- lbs
Mz = 100 in- lbs
The total stress on the shaft would be:
σ
= B*F
y
+ D*M
x
+ F*M
z
σ
= 363*10 + 259*60 + 216*100 = 40,770 psi
since
σ
max
for this model is 84,000 psi, this is acceptable.
Motor
TQ514
Sensor
6”
?
Flexible
Couplings
Z axis
Y-axis
Mz
My
