Description
Computer-controlled, High-speed, Lockstitch, Button Sewing System
The machine achieves sewing speed of 2,700sti/min The machine’s thread-trimming etc. have been increased to significantly shorten total cycle time. The LK-1903C is a lockstitch button sewing machine which is not only applicable to many different sewing specifications but also able to carry out cycle sewing and produces high-quality seams.
Higher productivity
The LK-1903C achieves sewing speed of 2,700sti/min. The machine’s starting, stopping, thread-trimming and automatic presser lifting speeds have been increased to significantly shorten total cycle time. This is a lockstitch button sewing machine that supports a variety of sewing patterns and cycle sewing.
Standard LCD panel / Control box integrated with the machine head
The control box integrated with the machine head, originally designed by JUKI, is adopted. The number of standard patterns is 50. As many as 999 patterns (500,000 stitches) can be stored in memory. The new upright type operation panel is installed on the side face of the machine head to allow the operator to operate the machine without averting his/her eyes, during sewing, from the bartack being sewn. In addition, the table surface can be used widely. The operation panel can also be installed on the table as before.
● If you want to install the operation panel on the table, an optional connecting cable (1.2 m) will be necessary. Part number: 40297363
Two-way data communication function for sewing machine data using an NFC terminal (optional)
The standard LCD panel is provided as standard with a USB port to facilitate data management between sewing machines and update of software. If you additionally use the optional NFC terminal, bidirectional data communication is enabled with a commercially-available Android terminal in a non-contact manner. This enables quick sharing of pre-set sewing data with other sewing machines to reduce the time required for set-up changing.
● Optional NFC terminal: Part number 40289481
with button feeder (LK-1903C/BR35)
● The machine achieves sewing speed of 2,700sti/min.The machine’s starting, stopping, thread-trimming and automatic presser lifting speeds have been increased to significantly shorten total cycle time.
● With our original horizontal forced feed mechanism, the button carrier sets a button in position so that the operation is simplified. Even first-time operators can achieve stable sewing quality by simply setting the fabric and pressing the pedal.
OPERATION PANEL (Button feeder)
The variety of functions can be easily adjusted by the simplified operation panel. Alarm lamp will be activated when problem is detected so that proper measures can be taken quickly.
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 these operations with this mode.
Mode for individual
This mode is for the machine only. As button feeder will not be activated, this can be used as a standard button sewing machine.
Mode for small lots
Same as the automatic mode, but parts feeder will not be activated. It discharges the required amount of buttons in the index and sews buttons automatically. This is suitable for smaller lots.
Bird’s nest preventing / Shorter-thread remaining specification (LK-1903CB)
Users who are conscious about the finished quality of products manually nip, with scissors, the thread remaining on the material after thread trimming at the end of sewing. Now, the button sewing machine with the bird’s nest preventing/shorter thread remaining functions saves such users the trouble of nipping the thread, thereby preventing the sewing product from being damaged by manual thread-nipping with scissors.
The sewing machine eliminates so-called “bird’s nests” (thread tangling in on the wrong side of the material at the beginning of sewing).
The thread is retained at the beginning of sewing and any excess thread is trimmed during sewing. As a result, the length of thread sewn in the seam is shortened, thereby achieving high-quality sewing performance while preventing thread from tangling in on the wrong side “of the material.”
● Use #60-80 (TEX22-30) polyester spun thread
Length of thread remaining on the material at the end of sewing has been reduced to 2 mm or less*.
The newly-developed shorter-thread remaining mechanism trims the thread shorter after the regular thread trimming operation. Additionally, thread waste produced by thread trimming is withdrawn by suction. Thanks to this mechanism, the trouble of manual thread nipping is avoided.
* Remaining length of thread varies with sewing conditions
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