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Drive Belts

Drive Belts

Drive Belts

(OP)
What is the formula to determine the length of a drive belt.  Upon occasion I need to change a pulley size, which changes the length of the drive belt.  These changes are only in 2 pulley systems, with the driving motor being 1 hp or less.  

fireguy519345

RE: Drive Belts

CODE

http://www.durabelt.com/beltlengthcalculator.php

I've never used this one but it looks good and much easier than writing it out myself. Besides, they have four different methods.

_______________________________________
Feeling frisky.........
www.tailofthedragon.com

RE: Drive Belts

(D+d)3.14+2(CD)

Large Diameter plus small diameter times PI(3.14 plus 2 times center distamce

Russell Giuliano

RE: Drive Belts

belt length = 2 * C.D. + 1.57 * (D+d) + [(D-d)²/(4 * C.D.)]

C.D. = center distance
D = OD of larger sheave
d = OD of smaller sheave

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