Operating Principles Edge/Edge Blanket
5-16
Lower Spread Subsystem
Use the illustrations (Figures 5-15, 5-16) on
the previous page to identify the mechanical
components of the lower spread subsystem.
There are two lower spread subsystems, each
an exact mirror of the other. In each endframe,
a lower spread motor (F, M) powers each lower
spread subsystem.
A shaft from each motor extends directly into
a drive pulley (G, N). These pulleys drive belts
(H, O) which in turn power two sets of oppositely
turning pulleys (I-J, P-Q). These pulleys turn
two sets of shafts (K-L, R-S). The shafts cause
the lower spreader belts to stretch the flatwork
toward the left and right sides.
Discharge Drive System
Use the illustrations (Figures 5-15, 5-16) on
the previous page to identify the mechanical
components of the discharge drive system.
In the right endframe, the discharge motor (T)
powers the discharge drive system. A shaft from
this motor extends directly into a drive pulley (U).
This pulley drives a belt (V) which in turn powers
the large speed reduction pulley (W).
This pulley is directly attached to the shaft
of the laydown assist roll and powers it. On the
other end of the assist roll in the left endframe
is a gear (X).
This gear drives a chain (Y) which in turn
powers another, slightly larger gear (Z). This gear
is directly attached to the discharge ribbon drive
roll and powers it, moving flatwork toward the
next machine.
Because the discharge ribbon drive roll gear is
slightly larger than the laydown assist roll gear,
the drive roll turns slightly faster, causing the
flatwork to stretch slightly as it travels down the
discharge ribbons.
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