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Home > New Industrial Sewing Machines > Button Hole

Juki LBH-1790, Electronic Button Hole Machine

Part Number LBH-1790
Juki LBH-1790, Electronic Button Hole Machine
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LBH-1790 is known for its high speed buttonhole functions.The thread tension and main drive mechanisms in LBH-1790 is electronically controlled with easy control options.


  • The machine is provided as standard with as many as 30 stitch patterns for buttonholing.
  • The machine eliminates oil stains on the sewing product.
  • JUKI's unique active tension (Electronic thread tension control system).
  • Frame shape offers improved operability.
  • Basting stitch mechanism is effective for the production of beautiful buttonholes.
  • Sewing settings can be easily changed.
  • Shorter length of bobbin thread remaining on the material


Sewing speed

Max. 4,200rpm, Normal 3,600rpm

Needle bar stroke


Size of cloth cutting knife

6.4~31.8mm (1/4"~1-1/4")

Bartacking width

Max. 5.0mm

Buttonhole length

Max. 41mm (optional: 70mm, 120mm)

Precision of needle throwing mechanism


Needle thread tension

Active tension (electronic thread tension control system)

Number of stitches

Automatically computed from the size of the buttonhole

Needle (at the time of delivery)

DP5 (#11J) #11J~#14J


DP type, full-rotary hook

Lift of the work clamp



Provided as standard (stepping motor type)

Needle throwing system

Stepping motor

Cloth feeding system

Intermittent feed by stepping motor

Cloth cutting knife system

By double-acting solenoid

Number of standard patterns

30 patterns

Number of patterns that can be input

Max. 99 patterns

Bobbin thread winder

Built-in the machine head

Machine head drive system

Compact AC servomotor (direct-drive system)

Power requirement / Power consumption

Single-phase 220V, 230V, 240V 3-phase 200~240V/600VA

Total weight


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