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BAG
MAKING/POUCH MAKING
Plastic web fed through the machine will have registration
marks at equal intervals. The servo axis is to full/position
the web and stop at a programmable pre-defined distance from
registration mark.
The whole feed cycle of the nip roller have to synchronise
with the clamping mechanism, which can be run independently
or also in synchronized mode. In this case, servo axis must
feed the web before the clamping mechanism is closed and do
the heating, sealing and cutting process.
Depend on the sealing process, either a bag with 3 side sealing
or stand up pouch can be manufactured.
Solution
- Capable of producing bags of the 3-side seal, pillow and
gusset types, as well as stand-up pouches and zip re-closeable
pouches
- Motion control system incorporates synchronized operation
of 3 x 1FK6 servomotors driven by MASTERDRIVE MC: web sealing,
front feed and rear feed.
- PLC S7-315 DP coordinates the operations of MASTERDRIVE
MC, Siemens MP370 OP and temperature control KS800 operations
in higher control level over Profibus.
- Printing marks synchronisation is done in MASTERDRIVE
MC assuring good accuracy.
- Machine speed: 160 shot/min for 3 side seal and up to
120 shot/min for standing pouch
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