Film Positioning - Minipack-Torre Mailbag Digit Installations, Gebrauchs Und Wartungsanweisungen

Chapter 5. USE AND OPERATION
5.2 ADJUSTMENT
The machine is equipped with 9 selectionable programs (P1÷P9).
Each program is composed by 11 variables (0÷H) which can be modified:
0 - Work and production counter. The machine is equipped with a work counter with the
possibility to prest the production counting. When the preset value is 0, it is a work counter; when
a different number is preset, the machine will stop upon reaching the required production lot. To
carry out the following production lot and put the counter to zero, press the buttons (4) for a
second.
1 - Pressure adjustment of vertical sealing bar. This function will adjust the vertical sealing
bar pressure according to the magazine thickness; the thicker the magazine, the higher the value
to be preset.
2 - Pressure adjustment of transversal sealing bar. This function will adjust the side sealing
bar pressure according to the film thickness.
3 - Pressure adjustment of dragging wheel. This function will adjust the dragging wheel
pressure, according to the magazine thickness; the thicker the magazine the higher the value to
be preset.
4 - Sealing time adjustment. It adjusts the sealing time according to film quality and thickness.
5 - Temperature adjustment of sealing bars in operation. This function is useful to keep
the temperature of the sealing bars always steady. The temperature of sealing bar can be
changed according to film thickness and quality.
6 - Temperature adjustment of sealing bars in pause. This function will adjusts the sealing
bar temperature when the machine is not working, to keep them warm and ready for use. This
function is linked to the previous one.
7 - Film loosening adjustment. This is an important function used especially with heavy
magazines. The vertical sealing bar is starting first to block the magazine and to avoid film being
too tight when the transversal bar is sealing.
8 - Bag lenght adjustment.
magazine.
9 - Cycle start mode selection. It gives the possibility to select the photocell to work with
according to the kind of film used (0=dull film / 1=trasparent film / 2=start will pedal (if available)
H - Contrast wheels closing time after magazine passage.
magazine on for a seal cooling time.
In case of ALARMS the display will show as follows:
A1 Meaning front timing case is open. Press button (4) and close timing case.
A2 Motor stops in case of film jamming. Press button (4) and place film correctly.
A3 Magnets anomaly. Press button (4) and ask for technical support.
A4 Wrong values are set. Press button (4) to modify them.
Acoustic signal intervenes also when the no of pieces you have set has been reached.
N.B.: If the machine is equipped with a conveyor belt and after 10 seconds no cycles are made, the belts automatically
stops to safeguard motor lasting.
5.3

FILM POSITIONING

To insert film in the unwinding device it is necessary to follow the instruction diagram shown in Figure 14.
This way the film will be correctly driven without being damaged.
To correctly roll up the film on the forming box proceed as follows:
Opening front door.
1. Hold both film ends and pull it out of about half a meter.
2. Roll the film around the right forming box and pull both ends.
3. Drive the film around the left forming box and check that the left guide holds the film upper edge, and the right guide
the ower one.
4. Keep the film wrapped around the right forming box, pull the film and verify that the two flaps are one on top of the
other.
5. Drive the film through feed rolls
6. Keep the film tensed and perform a test welding
7. At this point push botton, (4) on the control board to effect first sealing.
Close front door.
This function will adjusts the length of the film besides the
Wheels closing hold next
15
GB
Value to Standard
be set values
0÷9999 0
10÷50 30
10÷50 20
10÷50 40
0,1÷2,5 0,8
1÷10 7
1÷10 3
0÷25 5
0÷25 10
0/1/2 1
0,0÷2,5 0