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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