Heat Cutter Unit Fl Ow Chart For Lk; Heat Cutter Unit Fl Ow Chart 1 For Lk; Heat Cutter Unit Fl Ow Chart 2 For Lk - JUKI LK-1942ZA5050 Betriebsanleitung

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6. Heat cutter unit fl ow chart for LK
(1) Heat cutter unit fl ow chart 1 for LK
(2) Heat cutter unit fl ow chart 2 for LK
Thread trimming
process starts
Tension releaser ON
Tension disk
Wiper
Tension releaser OFF
Tension disk
Needle thread trimmer Extrudes
Needle thread trimmer
extrusion end
Needle thread trimmer Retracts
Needle thread trimmer
retracted end
Wiper OFF
END
Origin retrieval
starts
Needle thread trimmer Retracts
Bobbin thread trimmer Retracts
Bobbin case holder Retracts
positioning fi nger
Needle thread trimmer retraction end ON
Bobbin thread trimmer retraction end ON
Bobbin case holder positioning fi nger ON
retraction end
YES
Sensor Retracts
Sewing machine
returns to origin
END
Bobbin thread trimmer Extrudes
* After a lapse of T1
Opens
Bobbin thread trimmer
ON
extrusion end
* After a
lapse of T2
Closes
Bobbin thread trimmer Retracts
NO
ON Bobbin thread trimmer
retraction end
YES YES
* After a
lapse of T3
NO
ON
YES
NO
NO
ON
YES
* After a
lapse of T4
NO
ON
– 20 –
Sewing machine starts
startup operation
NO
Bobbin case positioning fi nger ON
extrusion end
YES
Travel to starting
point of sewing
Heater ON
Travel to starting
NO
point of sewing
Completed
YES
Sewing machine
starts sewing
NO
Sewing is completed
YES
Thread
trimming
process
Travel to
standby point
NO
Travel to standby
point is completed
YES
Heater OFF
END
Bobbin thread
replacement starts
NO
Bobbin thread replacement signal = ON
YES
Sewing machine stops NO
at standby position
YES
Sensor Escapes
NO
RESET SW ON
YES
Bobbin case Extrudes
positioning
fi nger
Bobbin case ON NO
positioning fi nger
extrusion end
YES
Bobbin case Retracts
positioning
fi nger
Bobbin case holder ON NO
positioning fi nger
retraction end
YES
Sensor Retracts
END