Theory Of Operation; Normal Stop Procedure; Emergency Stop - 3M -Matic a20 Instructions And Parts List

8-THEORY OF OPERATION

8.1 Description of the Working Cycle
After having closed the top fl aps of the carton, the
operator pushes it under the top infeed end in order
to avoid the opening of the top fl aps. Further pushing
causes the two top and bottom belts to drive the box
through the taping heads which automatically seal
the top and bottom seams.
The carton is then expelled on the exit conveyor.
8.2 Definition of Running Mode
The case sealer a20 has only one (automatic)
operating mode with:
- The EMERGENCY STOP BUTTON unlocked
(Figure 8-1)
- The main rotary switch start switch "ON"
(Figure 8-2)

8.3.1 Normal Stop Procedure

When the main switch is turned OFF, the machine
stops immediately at any point of the working cycle.
The same thing happens in case of electrical
failure or when the machine is disconnected
from the mains.

8.3.2 Emergency Stop

The LATCHING EMERGENCY STOP BUTTON
is located on the top center of the machine
(This part is not produced by the machine
manufacturer Figure 8-1).
a20-NA
Figure 8-1
Figure 8-2
Figure 8-3
20
E-Stop Location
Belt
Direction
2011 April