JUKI
LBH-1790 Series Brochure & Specs

Specifications
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 6.4〜31.8mm (1/4"〜1-1/4")
Bartacking width Max. 5.0mm (with special-specification part: Max. 10mm*)
Buttonhole length Max. 41mm (optional: 70mm, 120mm) , LBH1795:120mm
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)
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 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
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)
Total weight 112kg
✽ sti/minstands for Stitches per Minute
✽ The special-specification part is available on a special order. Contact our branch or office in your area.

★ CompactFlash or CFA specification compatible media.
★ “CompactFlash” is a registered trademark of SanDisk Corporation, U.S.A.
★ Other company names and product names/brand names are trademarks or registered trademarks of the respective companies.
The thread tension and main drive mechanisms are electronically controlled.
Computer-controlled, High-speed, Lockstitch Buttonholing Machine
LBH-1790 Series
 
LBH-1790S (Table stand is optionally available.)
LBH-1790S (Table stand is optionally available.)
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JUKI
LBH-1790 Series Specifications

General

Brand	JUKI
Model	LBH-1790 Series
Category	Sewing Machine
Language	English