JUKI LBH-1790ANS- Japanese-Made High Speed Direct Drive Computer Controlled Lock Stitch Industrial Buttonhole Sewing Machine
The LBH-1790AN is a series of digitalised buttonhole sewing machines that are easy to operate. The in-built NFC (Near Field Communication) and utilisation of IoT simplifies sewing machine management and produces consistent seams.
- The shorter-thread remaining mechanism saves operating time by reducing manual effort
- World’s highest sewing speed and dry-head mechanism improves efficiency
- Operation panel installed with a USB port enhances operability
- Product includes stand, table and motor
- Shorter cycle time for longer sewing
- Maximum sewing speed of 4,200 stitches per minute with a jump speed of 200 mm/s
- LBH-1795AN (120mm presser type) can produce long buttonholes ranging up to 120mm
- 20 different programmes with 30 patterns each can be stored in the machine for cycle sewing
- The machine allows continuous stitching of multiple patterns without lifting the work clamp foot
- Basting stitches produce flawless buttonholes on elastic and knit materials
- Complete electronic control over all drive mechanisms
- The pedal comes with an auto-lifter controlled by a stepping motor which helps reduce operator effort
- Sewing machine and performance are controlled using IoT (Internet of Things)
- Operation panel provided with a standard USB port to control the machine
- Contactless control can be carried out through standard android tablets
- Multiple-times knife dropping mechanism eliminates the need for knife replacement even with a change in buttonholing size
Specification
Model Name | LBH-1790ANB | LBH-1790AN | LBH-1795AN | LBH-1796AN | |||
Sewing speed | Max. 4,200stitches per minute, Normal 3,600stitches per minute When the non-lubricated hook (optional) is used: 3,300stitches per minute* | ||||||
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. | ||||||
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 |