TECHNICAL APPENDIX
Adjusting the predispensing
Predispensing is the length by which the label is pulled forward after detection of the
leading edge of the label. Its value can be entered in 0.1 mm steps. The predispensing
is normally used to optimize the label position. Adjust it so, that the label is sticked to
the goods at the time, when it has the same speed as the goods. Only so the label posi-
tion on the goods is always exact and does not vary.
If a new value is entered exceeding the old one, the label is pulled forward
correspondingly.
But if the new value exceeds the old one, predispensing will be corrected only after one
label has been dispensed.
If the entered predispensing length exceeds the label length, a malfunction of the label-
ler may result since the gap between labels is measured at a wrong time.
The minimum predispensing depends on the maximum labelling speed. The labeller
needs more time at high labelling speed to brake the label after having detected its lea-
ding edge. The following diagram shows predispensing vs. labelling speed:
Predispensing [mm]
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
0 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100
Labelling speed [m/min]
Diagram predispensing vs. labelling speed.
C 9 1 0 0
C 8 6 0 0
5999.530-01B 13.08.98 WM
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