Note: Belt
forces are always with respect to one
belt.
Symbol
Description
Units
Fb
Total net force applied to belt
N
Fp
Preload tensile force
N
Fg
Force due to gravity
N
Ft
Thrust force
N
Fcb
Counterbalance force
N
Fa
Drive pulley acceleration force
(force required to accelerate all masses and
inertias including load, belt and counterbalance masses, plus
driven and idler pulley inertias)