LK-1903A, LK-1903A/BR35 (September, 2003) 1/4
● The machine achieves sewing speed of 2,700rpm. The machine's
starting, stopping, thread-trimming and automatic presser lifting
speeds have been increased to significantly shorten total cycle time.
● The machine is provided as standard with 50 different sewing patterns.
The machine permits easy changeover of sewing patterns for effortless
execution of an inexhaustible range of sewing specifications.
● The machine is provided as standard with the active tension (electronic
thread tension control mechanism). Since the machine is provided
with an active tension mechanism, it is able to set a needle thread
tension that matches various sewing conditions (such as thread,
material and sewing speed) on the operation panel, store the data in
memory and reproduce it.
SPECIFICATIONS
Computer-controlled, High-speed, Lockstitch, Button Sewing Machine
LK-1903A
● It provides better productivity as it achieves the maximum speed of
2,700rpm (2,500rpm in normal use) and is equipped with the high
speed trimmer.
● With our original horizontal forced feed mechanism, the button carrier
sets a button in position so that the operation is simplified.
Furthermore, operator fatigue is reduced since what operator needs to
do is only setting material and pressing a pedal.
LK-1903A/BR35
(with button feeder)
LK-1903A-SS-301
LK-1903A/BR35
Model name LK-1903A LK-1903A/BR35
Max. sewing speed 2,700rpm (normal 2,500rpm)
Type: Round-shaped, flat button Type: Round-shaped, flat button (2-holed, 4-holed)
Size: φ8〜φ32mm Size: φ9〜20mm
(standard φ8〜φ20mm) For small button: φ10〜φ15mm
Button size For medium-sized button: φ12〜φ18mm
(Those that are smaller than φ10mm or
larger than φ18mm must be specially ordered.)
Thickness: 1.8〜3.5mm
Stitch length 0.1〜10mm (0.1mm step)
Needle bar stroke 45.7mm
Lift of the work clamp foot Max. 13mm Max. 11mm
Auto-lifter Provided as standard (stepping motor type)
Needle thread tension Active tension (electronic thread tension control system)
Needle (at the time of delivery) DP×17(#14)
Hook Standard shuttle hook
Number of stitches
that can be stored in memory
Max. 20,000 stitches
Number of standard patterns 50 patterns
Number of data
that can be input
200 patterns (for up to 150 patterns, sewing data can be added.)
Enlarging/Reducing facility 20〜200%(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 lubrication
Lubricating oil JUKI New Defrix Oil No.2 (equivalent to ISO VG32)
Sewing machine motor 450W compact AC servomotor (direct-drive system)
Power consumption 320W 350W
Weight
Machine head (include motor) 42kg,
Control box 16.5kg
115kg (include machine head, table and BR35)
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