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5.3 ADJUSTING THE FILM WINDING ROLLER
5.4 ADJUSTING THE FILM TENSION
Fig. 5.2.2
3 • By acting on the handles 3 the rods
5 can be shifted. By slackening the
screws 4 it is possible to shift the
stopping devices in accordance
with the depth of the product to be
packaged and then to unthread
one of the two supports 1.The pack
shall not be protude more than 1 or
2 cm with respect to the stopping
devices (refer to fig.5.2.1). It is also
possible to use the stopping devic-
es through rods 5 having different
length to be assembled in accord-
ance with the product size.
Fig. 5.3.1
According to the height of the product that is
being packed, adjust the roller 1 placed on
the structure so that it is positioned on the
next mark compared to the height of the pack.
Fig. 5.4.1
Upper and lower tensioning bars are
assembled onto the machine to keep the film
well stretched. The tensioning bars also have
to activate the operation of the reels that wrap
the film. Each tensioning bar has
counterweights that adjust the position of the
sealing. The optimal sealing has to occur at
about 10 cm from the lower edge.
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