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9.0 OPERATION
Operating instructions
Place the material on the rolls flatly as shown in the figure 1.
Make sure that material is placed parallel to the ground and
touching all three rolls at the same time. This position is
called "zero position'.
Move the upper roll down like in figure 2 and position it to
apply enough force to bend the material. Do not apply force
more than necessary. If you apply too much force with the
help of moving the upper roll down a lot more than enough,
you may deflate the material during bending operation.
Push the foot pedal to rotate the rolls to which direction you
want (look at figure 3). To get desired diameter value make
more than one pass by gradually lowering the upper roll
after each pass. After a pass if the diameter value is bigger
than expected, move the upper roll down to apply more
force. If the case is vice versa, than move the upper roll to
upside by making use of milimetric ruler.
It is likely that the material will intend to bend right or left
because of the existence of bending forces. To prevent this,
you must adjust the guide rolls as shown in the figures 4 and
5.
As the guides are adjustable on top and bottom, you can
arrange them to the opposite side of the material's
directional inclination.
Note:
To get a circular profile, side guide joints
must be parallel to the machine surface.
Otherwise, you just get spiral profiles.
Figure 6 shows bending operations for different
kind of sections with special rolls.
In case of bending long materials, material
feeder is advised to use in order to keep
workpiece parallel to the base ground (see
figure 7). This will make easier to bend such
workpieces.
Содержание PV 35
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