LBH-1790 (September, 2003) 1/4
● The hollowed type frame promises efficient sewing of vertical
buttonholes. The machine can be operated with its head
positioned horizontally.
● Needle thread tension for sewing parallel and bartacking sections
of buttonholes can be separately controlled through the
operation panel and stored in memory according to various
sewing conditions (e.g., type of thread, type of material and
sewing speed).
● Thanks to our advanced dry-head technology, no lubrication is
required except for the hook section. This eliminates oil stains
on the sewing product.
SPECIFICATIONS
Sewing speed
Max. 4,200rpm, Normal 3,600rpm
When the non-lubricated hook (optional) is used: 3,300rpm
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)
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
Computer-controlled, High-speed, Lockstitch Buttonholing Machine
LBH-1790
＊The special-specification part is available on a special order. Contact our branch or office in your area.
WHEN YOU PLACE ORDERS
MC601
LBH-1790S
LBH1790S
[Machine head] [Control box]
Model
Knife width Code
6.4〜31.8mm 0
Power supply Code
Single-phase 220〜240V K
3-phase 200〜220V E
For CE Single-phase
(Not provided with power switch)
230V N
Type Code
Standard S
Operation panel Code
Standard panel SS
IP-200A PA
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