Platinum Belt Design Manual - Jason Industrial
Platinum Belt Design Manual - Jason Industrial
Platinum Belt Design Manual - Jason Industrial
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DRIVE CALCULATION<br />
PROCEDURE<br />
POWERING GLOBAL INDUSTRY<br />
d) Determine static tension (T st )<br />
The required static tension is obtained by the following formula:<br />
16500 P K 7.93 m V<br />
2<br />
m <br />
<br />
V<br />
10<br />
6<br />
Tst [7]<br />
Where:<br />
T st = Static tension (lb)<br />
P = Motor Power (hp)<br />
K m = Class of motor factor (step 5 - a)<br />
V = <strong>Belt</strong> Iinear speed (ft/min)<br />
m = <strong>Belt</strong> mass per unit length (lb/ft)<br />
STEP 6 - DETERMINE THE INSTALLATION TENSION<br />
There are two commonly used methods for setting the installation tension:<br />
a) The Elongation method<br />
b) The Vibration method<br />
a) The Elongation method<br />
The elongation method relies on using a force to deflect the center of the belt span.<br />
FIGURE 5<br />
a1) Calculate the free span length (t)<br />
The free span length (t) is calculated using the following formula:<br />
t <br />
( D )<br />
2 p<br />
d<br />
p<br />
C <br />
2<br />
<br />
<br />
<br />
<br />
2<br />
<br />
<br />
<br />
[8]<br />
Where:<br />
t = Span length (in)<br />
D p = Large Pulley pitch diameter (in)<br />
d p = Small pulley pitch diameter (in)<br />
C = Center distance (in)<br />
15
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