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1-needle, Lockstitch Buttonholing Machine

(for double-stitching with gimp)
LBH-780NB(for double-stitching with gimp and gimp cutter)

Smooth operation contributes to high-quality finished buttonholes and a higher degree of efficiency



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At the very least, a good buttonholing machine should finish seams of consistent quality and be widely adaptable to many different kinds of materials and seam specifications. The LBH-780 series buttonholing machines respond to these needs and help reduce operator fatigue, thereby finishing high-quality buttonholes with a higher degree of efficiency.
The buttonholing position can be easily adjusted. This further enhances ease of operation.
A newly introduced mechanism in the needle thread trimmer prevents interference with the positioning of buttonholes.
The shape of the face plate is designed to provide sufficient clearance around the needle entry position. As a result, ease of operation is further improved.
The work clamp can be lifted as high as 12mm. The machine is capable of sewing heavy-weight materials such as bulky knits. The maximum lift of the work clamp is 12mm, enabling the machine to make high-quality buttonholes in heavy-weight materials.
Work clamp can be easily lifted. This helps to substantially reduce operator fatigue. The pressure required to depress the start pedal and lifter pedal has been reduced. This helps to dramatically reduce operator fatigue.
The knife mechanism and stop-motion mechanism produce less noise when they actuate, thus contributing to a more comfortable working environment. Thanks to the simple design of the
stop-motion mechanism and unique knife mechanism, the machine operates with low noise. The machine starts, decelerates and stops smoothly.
This needle entry point can visually checked. This permits easy positioning of buttonholes.
The lift of the work clamp is as high as 12mm.

Application Buttonholing for ordinary
cloth, knit, etc.
For double-stitching with gimp For double-stitching with
gimp and gimp cutter
Sewing speed 3,600rpm Max. 3,300rpm, Normal 3,000rpm
Needle bar stroke 34.6mm
Max. lift of the work clamp 12mm 11.5mm
Max. thickness of material
that can be used
4mm (with the work clamp lowered)
Number of stitches 54~345 (by gear-change method)
Length of buttonholes 6.4~38.1mm 9.5~38.1mm 11.5~38.1mm
Needle DP x 5 (#11J), For JE: 134 (Nm75)
Hook DP type, automatic-lubricating full-rotary hook
Deceleration method Belt-shifting method
Lubrication Automatic
Lubricating oil JUKI New Defrix Oil No.1 (equivalent to ISO VG7)
Motor 300W general-purpose motor
(A 250W general-purpose motor can be used
when the machine is used at a sewing speed of 3,100rpm or less.)
Weight of the machine head 40kg

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