79032966 A Rev. 01-47
General Information
DRIVE BELTS
Banded Drive Belt
FIG. 96: A banded drive belt is made of two or more
V-belts (of a standard cross section size) banded together
at the top with a tie band (1). The seperate V-belts and the
tie band are vulcanized together to form a multiple strand
banded belt.
The cross section and spacing of the seperate strands
are such that the banded belt operates on standard
sheaves.
The tie band clears the top of the sheaves so that each
belt strand has full wedging capacity in the sheave
grooves, just as a single belt. The banded belt operates at
the same tension as seperate matched belts on an
regular multiple strand V-belt drive.
Most V-belt drives operate without any problem, requiring
only regular maintenance. There are times where forces
acting on the drive can cause seperate belts to whip, turn
over, or come off the sheaves. The banded belt was
designed to correct these belt stability problems which are
most frequently caused by intermittent or shock loading of
the drive.
Banded belts have standard dimensions and cross
section sizes and are made to order, with the number of
strands being determined by the power needs of the
drive. Spacing between the strands of the belt are the
same as the Rubber Manufacturers Association (RMA)
standard spacing for multiple groove sheaves.
FIG. 96
1
D-6150
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