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Juki LBH-1790S Buttonholing Machine

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Juki LBH-1790S

Juki Industrial Sewing Machine

Computer-controlled, High-speed, Lockstitch Buttonholing Machine

JUKI Simple Series sewing machine LBH-1790S has been designed to have simplified and narrowed down capabilities that are essentially required to produce JUKI’s established seam quality. In addition, it supports the operator with the voice guidance system to improve work efficiency.

JUKI’s established quality is achieved with simplified functions:

Higher productivity

Multiple-times knife dropping
Thanks to JUKI’s unique multiple-times knife dropping function, the knife replacement is no longer required even when the buttonholing size is changed.

Easy changeover of sewing settings
Changeover between purl stitching and whip stitching and between single stitching and double stitching can be carried out with ease.

Basting stitch on elastic materials
The basting stitch is effective on elastic materials such as knits.

Main functions driven electrically thereby ensuring stable sewing that produces beautiful seams with less operating noise.

Active tension (electronic thread tension control mechanism)
The needle thread tension can be changed over at the parallel and bartacking section of the buttonhole seam without fail, thereby producing beautifully finished buttonhole stitch shape.


Juki Industrial Sewing Machine:

Juki LBH-1790S


Model name


Sewing speed

4,200sti/min (at the time of delivery : 3,600sti/min)

Size of cloth cutting knife

6.4~31.8mm (1/4″~1-1/4″)

Buttonhole length

Max. 41mm

Lift of the work clamp

14mm (17mm when the reverse-rotation needle-up function is used)

Number of standard patterns

31 patterns

Number of patterns that can be input

Max. 99 patterns

Machine head drive system

Compact AC servomotor (direct-drive system)

Needle (at the time of delivery)


Additional information

Weight 45000 g

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