Belt drives are occasionally used on trains involving small reciprocating equipment having speed preferably below 500 RPM . The advantages of belt drive of coupling mechanism include relatively low cost, ease of mechanical assembly, reduced maintenance complexity, and less likelihood of damaging the attached equipment during failure. In addition, the belt will typically accommodate much more misalignment than traditional couplings or gear drives.
However, disadvantages of belt coupling mechanism presents significant uncertainties in determining the
torsional behavior, as the belt stiffness tends to be nonlinear and highly dependent on belt tension
(preload). In addition, it is sometimes difficult to obtain an accurate estimate of the torsional damping
associated with the belt.
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