Zero Thread Angle and Fabric Feed Technology
Featuring zero-degree thread angle technology and intelligent fabric feeding, we ensure seamless operation even when switching between styles and materials! Overall single-unit efficiency increases by over 7.5%, boosting annual revenue.
Thread Formation Technology
By utilizing ceramic thread guide technology, thread resistance is reduced by 30% while loop stability is increased by 80%.
Smart Rhino Fabric Feeding System
The new clamping mechanism design and adaptive motor control increase clamping stability by 100%; micron-level control precision of the main shaft, swinging needle, and fabric feed motors increase sewing stability by 150%.
Jack N9-D/N9-H-D is the next generation of AI-powered computerized buttonhole machines, serving as the direct successor to the JK-T1790 series. Equipped with an AI material adaptation system that detects fabric thickness in real-time and automatically adjusts tension, speed, and stitch parameters. The semi-dry head design eliminates oil stains, and operating speeds reach up to 4,200 stitches per minute.
Technical Specifications
| Model | Jack N9-D/N9-H-D |
| Functions | Slightly elastic woven/thick fabrics |
| Button Hole Size (mm) | 41×5 |
| Needle | DPx5 12# |
| Number of Needles | 1 |
| Side Cutter Function | 1/4″ ~ 1-1/4″ |
| Number of Threads | 2 |
| Parallel Interspace (mm) | 0.2 – 2.5 |
| Presser Foot Lifter Height (mm) | 17 |
| Max Speed (S.p.m) | 4200 |
| Volume (mm) | 880x390x635 |
| Weight (kg) | 66/78 |
