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Formula for rolled up conveyor belting

Ork1 (Mining) (OP)
6 Aug 08 3:36
I was wondering if anyone has a formula for figuring out the length of a conveyor belt rolled up on a spool.
minerk (Mechanical)
11 Aug 08 8:23
Here's one I found, I can't tell you if it works or not...

Belt length in feet = A x number of coils x 0.131

A = Diameter of coil in inches + Diameter of coil hole in inches
Compositepro (Chemical)
14 Aug 08 13:08
L = (3.14/2T)(od-id)

T is thickness of each layer
L is length of roll
od = outside diameter
id = inside diameter

Use consistent units and conversion factors.
telnique (Mining)
15 Aug 08 16:45
I use this one and it works all the time.

L = NS X .2618

Where L = length
      N = Number of turns on belt
      S = Measured inches between ends on roll of belt

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