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Juki LBH-1790AB Buttonholing Machine

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Juki LBH-1790AB Buttonholing Machine

Juki Industrial Sewing Machine

Computer-controlled, High-speed, Buttonholing Machine
The World’s First – Shorter-Thread Remaining Functions

The newly developed shorter-thread remaining mechanism trims the tread short and eliminated the trouble of manual thread nipping.

Excellent operability by Digitization

Higher productivity
The maximum sewing speed is 4,200 sti/min., and the jump speed is 200 mm/s. The cycle time has been further reduced for continuous sewing.

Cycle sewing and continuous sewing.

Cycle sewing
Twenty different programs can be registered, and as many as 15
different patterns can be stored in one program.

Continuous sewing
The Juki LBH-1790AB is able to continuously sew two or more different patterns without requiring the work clamp foot to be lifted. As many as 20 programs can be registered, and six different patterns can be stored in one program.

All drive mechanisms are electronically controlled

Electronic control of the material feed mechanism, needle feed mechanism, needle thread trimming mechanism, bobbin thread trimming mechanism, cloth trimming mechanism, presser lifter mechanism and other mechanisms has been achieved.


Juki Industrial Sewing Machine:

Juki LBH-1790AB


Model Number

Juki LBH-1790AB

Sewing speed

Max. 4,200sti/min, Normal 3,600sti/min
When the non-lubricated hook (optional) is used: 3,300sti/min

Needle bar stroke


Bartacking width

Max. 5.0mm (with special-specification part: Max. 10mm*)

Needle thread tension

Active tension (electronic thread tension control system)

Needle (at the time of delivery)

DP×5 (#11J) #11J~#14J


DP type, full-rotary hook

Non-lubricated hook (optional)


Provided as standard (stepping motor type)

Needle throwing system

Stepping motor

Bobbin thread winder

Built-in the machine head

Machine head drive system

Compact AC servomotor (direct-drive system)


Only the hook section needs a minute-quantity lubrication


Machine head (include motor) 55kg, Control box 6kg

Additional information

Weight 45000 g

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