LK-1900A, 1901A, 1902A (September, 2003) 1/7
● The machine achieves the world's highest sewing speed of 3,000rpm.
In addition to the high-speed sewing performance, the machine's starting,
stopping, thread-trimming and automatic presser lifting speeds have been
increased to significantly shorten total cycle time (reduced approximately
30% compared to our predecessor model: For 42-stitch large bartacks).
● The machine comes with a newly developed needle thread grasping
mechanism. The mechanism prevents thread from slipping off from the
needle eyelet at the beginning of sewing, from tangling on the wrong side
of the material and also being stained during sewing. The thread
trimming mechanism has been further improved to shorten the length of
thread remaining on the wrong side of the material after thread trimming.
● With its 30mm (length) by 40mm (width) sewing area, the machine can
sew many different shapes of bartacks. The machine is provided as
standard with as many as 50 different types of sewing patterns including
semilunar bartacking, round bartacking, radial tacking as well as
conventional bartacks.
● 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.
● The machine is provided as standard with an auto-lifter that uses a new
stepping-motor system. This helps reduce operator fatigue.
Computer-controlled, High-speed, Bartacking Machine
LK-1900A
● The machine is provided as standard with six different linear bartacking
patterns. Since the sewing size can be easily changed, the optimal
number of stitches and sewing size can be speedily selected according to
the belt-loop width. If the normally used patterns are assigned to the
patterns keys, a desired pattern can be called up or changed with single-
key operation.
● With its broadly curved feed bracket (presser arm), the machine permits
easy placement of the material to be sewn. The slimly shaped bed and
head design that allows free space under the arm demonstrates greater
operability in handling materials on the machine and continuous processes.
These features contribute substantially to increased productivity in belt-
loop attachment processes.
Computer-controlled, High-speed Belt-loop-attaching Machine
LK-1902A
● The machine is provided with a material-drawing mechanism which draws
the right and left parallel portions of an eyelet buttonhole near to one
another. The machine performs bartacking with the right and left parallel
portions of the eyelet buttonhole drawn near to one another after the
buttonhole is clamped under the work clamp foot, thereby finishing highly
durable and well-tensed eyelet buttonholes.
● Three different sewing patterns (21-, 36- and 48-stitch bartacking) are
prepared to enable easy switchover of sewing sizes. If the sewing
patterns are assigned to the pattern keys on the operation panel, the
sewing patterns can be called up or changed with single-key operation.
The machine sews the most optimally suited bartacks on eyelet
buttonholes on the front bodies of garments and straight buttonholes that
differ in stitch number and size on jacket lapels, thereby improving the
finished quality of sewing products.
● The material drawing amount can be adjusted to 3mm at maximum.
The material drawing mechanism can be switched ON/OFF in accordance
with the setting of the memory switch. With these features, the material
drawing mechanism can be used with greater flexibility.
LK-1902A-SS
LK-1901A-SS
LK-1900A-FS
LK-1900A-SS
Computer-controlled, High-speed Bartacking Machine for Eyelet Buttonholes
LK-1901A
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