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Computer-controlled, High-speed, Buttonholing Digital Sewing System

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LBH-1790AN Series

LBH-1790ANB (Shorter-thread remaining functions)
LBH-1795AN (120mm presser type)
LBH-1796AN (220mm presser type)

Model LBH-1790ANB LBH-1790AN LBH-1795AN LBH-1796AN
Sewing speed Max. 4,200sti/min, Normal 3,600sti/min When the non-lubricated hook (optional) is used: 3,300sti/min
Needle bar stroke 34.6mm
Size of cloth cutting knife 6.4~22.2mm (1/4"~7/8") 6.4~31.8mm (1/4"~1-1/4") 6.4~25.4mm
Bartacking width Max. 4.0mm Max. 5.0mm (with special-specification part: Max. 10mm*) Max. 5.0mm
Buttonhole length Max. 25mm Max. 41mm
(optional: 70mm, 120mm)
Max. 120mm Max. 220mm
Precision of needle throwing mechanism 0.05mm
Needle thread tension Active tension (electronic thread tension control system)
Number of stitches Automatically computed from the size of the buttonhole and stitch pitch
Needle (at the time of delivery) DP×5 (#11J) #11J~#14J
Hook DP type, full-rotary hook Non-lubricated hook (optional)
Lift of the work clamp 14mm (17mm when the reverse-rotation needle-up function is used) Parallel lifting 6mm
Auto-lifter Provided as standard (stepping motor type)
Needle throwing system Stepping motor
Cloth feeding system Intermittent feed by stepping motor
Cloth cutting knife system Stepping motor
Number of standard patterns 31 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 3-phase 200~240V/250VA
Lubrication Only the hook section needs a minute-quantity lubrication.
No lubrication is required when the non-lubricated hook (optional) is used.
Lubricating oil Hook: JUKI New Defrix Oil No.1 (equivalent to ISO VG7)
Weight Machine head
(include motor) 55kg, Control box 5.5kg
Machine head
(include motor) 55kg, Control box 6kg