Computer-controlled, High-speed, Lockstitch Buttonholing Machine LBH-1790 
| Computer-controlled, High-speed, Lockstitch Buttonholing Machine | |
| LBH-1790 | |
The high-speed lockstitch buttonholing machine incorporates an electronically controlled cloth feeding mechanism. Using a new technology called "active tension" (electronic thread tension mechanism), the machine is capable of not only duplicating the same sewing conditions with ease but also of ensuring upgraded seam quality with consistency.
LBH-1790
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| Model name | LBH-1790 |
|---|---|
| Max. sewing speed | 4,200sti/min |
| Size of cloth cutting knife | 6.4～31.8mm (1/4"～1-1/4") |
| Bartacking width | Max. 5mm (with special-specification part: Max. 10mm) |
| Buttonhole length | Max. 41mm (optional: 70mm, 120mm) |
| Lift of the work clamp | 14mm (17mm when the reverse-rotation needle-up function is used) |
| Number of standard patterns | 30 patterns |
| Number of patterns that can be input | Max. 99 patterns |
| Machine head drive system | Compact AC servomotor (direct-drive system) |
| Needle | DP×5 (#11J) #11J～#14J |
