JUKI LK-1903A Instruction Manual Download Page 1 | Manualshive

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LK-1903A-SS-301

(Table stand is optionally available.)

The active tension mechanism is provided with the machine as standard.

LK-1903A

SERIES

Computer-controlled, High-speed, Lockstitch, Button Sewing Machine

LK-1903A

LK-1903A /BR35

(with button feeder)

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Summary of Contents for LK-1903A

Page 1: ... stand is optionally available The active tension mechanism is provided with the machine as standard LK 1903A SERIES Computer controlled High speed Lockstitch Button Sewing Machine LK 1903A LK 1903A BR35 with button feeder ...

Page 2: ...s various sewing conditions such as thread material and sewing speed on the operation panel store the data in memory and reproduce it The needle thread tension can be set separately according to the portion of a seam such as the beginning of a seam during sewing and end of the seam fastening stitch When the operation panel IP 410B is used with the machine the needle thread tension can be establish...

Page 3: ...Model name Option Button type For shank button Max sewing speed 1 500rpm Outside diameter ø8 ø20 Diameter of hole in button ø1 5 or more Button configuration Position of hole in button Configuration of shank Pattern No 18 19 20 21 22 Parts shown in parentheses are optional Engraved marker MODELS CLASSIFIED BY BUTTON SIZES Model name LK 1903A 301 LK 1903A 302 Option Button size For extra small butt...

Page 4: ...ied operation panel Alarm lamp will be activated when problem is detected so that proper measures can be taken quickly OPERATION PANEL Automatic supply mode The machine and button feeder are connected and run together It starts sewing a button by pressing a pedal thread trimmer is activated after sewing a button and button feeder sets the next button in position automatically The machine repeats t...

Page 5: ...07 Distance B mm Diameter of set pin 1 2 1 0 1 0 1 0 1 2 1 0 1 2 1 0 1 2 1 0 1 2 1 2 Distance A mm Distance between holes in button 3 2 2 0 2 2 2 4 2 4 2 6 2 6 2 8 2 8 3 0 3 0 3 8 Code A Q R S T U V W F1 D X Z G1 H1 E1 Part No 165 57902 165 90507 165 90606 165 88501 165 88600 165 88709 165 88808 165 88907 165 89806 165 87206 165 89004 165 89202 165 89905 165 90705 165 89707 Distance B mm Diameter ...

Page 6: ...0 200 1 step Pattern enlargement reduction can be done by increasing decreasing the stitch length Memory medium EEP ROM EP ROM Bobbin thread counter Provided as standard up down method Supplying and sorting of button Vibration system Button feed Horizontal forced button feed mechanism Button feed mode Automatic feed mode non feed mode and small lot sewing mode Lubrication Hook minute quantity lubr...

Page 7: ...trolled Dry head High speed Single thread Chainstitch Button Sewing Machine MB 1800A BR10 The stand leg is optionally available MB 1800B Table stand is optionally available A new button sewing machine that supports many different button sewing specifications independently ...

Page 8: ... machine DIFFERENCE IN KNOT TYING METHOD 1 2 Should the last stitch undo Since the thread knot is securely tied the last stitch is unlikely to loosen In the event that the last stitch comes united the thread will not easily come off Shorter lengths of thread remain after thread trimming The machine performs thread trimming at the optimal position by correcting the button position with respect to t...

Page 9: ...uch as the stop motion mechanism and feed cam the machine operates with less vibration and noise and requires no maintenance The foot pedal can be operated with reduced pressure from the operator s foot This helps reduce operator fatigue by allowing the operator to operate the machine more rhythmically PATTERN DATA TABLE Pattern No Shape Application Stitch pitch Stitch diagram Number of stitches D...

Page 10: ... size A 0 6 5 mm B 0 6 5 mm C φ10 φ28 mm Button size A 0 6 5 mm B 0 6 5 mm C φ20 φ28 mm Button size A 0 4 5 mm B 0 4 5 mm C φ12 φ20 mm Button size A 0 3 5 mm B 0 3 5 mm C φ10 φ12 mm Button diameter 16 mm or less Shank size A 5 6 mm B 2 5 3 mm Button to material distance is adjustable The machine is capable of sewing flat buttons without neck wraps A 3 mm or more B 12 mm or less The machine wraps t...

Page 11: ...n feeding speed and high speed machine head capable of a maximum sewing speed of 1 800rpm the machine dramatically increases productivity Furthermore its button discharging mechanism and easy to adjust functions make it easy to change the setup when changing the buttons to be sewn thereby eliminating wasted time at start up The three different operation modes available are the automatic button fee...

Page 12: ...eder Attachments For flat buttons small For flat buttons medium Specification Without wiper unit With wiper unit Code M Attachments For flat buttons small For flat buttons medium Code M Code S B Feed plate Standard 16 for small buttons 22 for medium buttons Code M For General Export For CE 100 240V 220 240V Code A C Power supply Wiper device For MB 1800S Part No M8512 630 0A0 A wiper device and th...

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