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Juki LK1901B High-Speed Bartacking Machine

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Juki LK1901B High-Speed Bartacking Machine

Juki Industrial Sewing Machine

Computer-controlled, High-speed, Bartacking Machine

The Juki LK-1901B is provided with a material-drawing mechanism which draws the right and left parallel portions of an eyelet buttonhole near to one another.

Higher productivity.
The Juki LK-1901B achieves sewing speed of 3,200sti/min. The machine’s starting, stopping, thread-trimming and automatic presser lifting speeds have been increased to significantly shorten total cycle time.

Excellent workability and operability. (Low-noise and low-vibration)
The direct-drive head (with no belt), which is directly connected to a compact servomotor, achieves outstanding. This head helps create a comfortable working environment with reduced vibration and noise.

The arm section of the machine head is fitted with a hand pulley. This allows the operator to visually check the needle entry points.

Excellent seam quality.
Needle thread grasping mechanism helps produce consistent knot tying at the beginning of sewing. (This device has been factory-set to “invoking prohibited” status at the time of delivery.)

The machine is provided as standard with the active tension (electronic thread tension control mechanism).
The Juki 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 needle thread tension can be separated according to stitching type or portion of a seam, such as the beginning part of the seam, base stitched part, zigzag stitched part and end of the seam (fastening stitch).


Juki LK1901B High-Speed Bartacking Machine

Juki Industrial Sewing Machine:


Model name

Eyelet buttonhole
bartacking machine

Belt-loop attaching machine

Juki LK-1901B-SS

Juki LK-1902B-SS

Juki LK-1902B-HS




 For heavy-weight

Max. sewing speed


Sewing area

 30mm (L) × 40mm (W)

Stitch length



 Provided as standard (stepping motor type)

Needle thread tension

 Active tension (electronic thread tension control mechanism)

Needle (at the time of delivery)

 DP×5 (#14)

 DP×5 (#14)

 DP×17 (#21)


 Standard shuttle hook

Enlarging/Reducing facility

 20~200% (1% step), Pattern enlargement/reduction
can be done by increasing/decreasing the stitch length

Bobbin thread counter

 Provided as standard (up/down method)


 Hook: minute-quantity lubrication


 Machine head (include motor) 42kg, Control box 5.6kg

Additional information

Weight 45000 g

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