Description
Jack JK-T1790B Electronic Lockstich Buttonholing Machine
Many patterns
Easily upgrade for software
It can save maximum 200 types of patterns. Equipped with USB connection, convenient for adding patterns and software ungrading.
Big sewing platform
Easy operation
Superior work platform, Convenient to put fabric and make counterpoint.
Intelligent system
High speed high efficiency
Automatic trimmer, automatic presser foot lifter functions. Maximum speed can reach 4200 RPM, which improves the work efficiency a lot.
Electronic thread tension device
Beautiful stitch
Electronic thread tension device is effective to avoid thread breakage, drop thread when start sewing, problem of tightness of thread and so on, which makes sure of beautiful stitch.
Cooling system
Low temperature and durable
The cooling fan greatly lowers the temperature of motor, lengthens the lifetime of machine.
Bottom sewing technology
Easy sizing
Especially use for elastic fabric, Bottom sewing and pattern sewing can be combined to use.
Multi-cut no need to change the knife
Using multi-cut to open button hole if the button hole size is big and without change the knife.
Technical Information
| Model Number | JK-T1790BS-1 | JK-T1790BS-2 | JK-T1790BS-3 | JK-T1791BS |
|---|---|---|---|---|
| Needle | DP×5 12# | DP×5 12# | DP×5 12# | DP×5 12# |
| Needle Number | 1 | 1 | 1 | 1 |
| Button Holing Size(mm) | 25×4 | 33×5 | 41×5 | 70×5 |
| Side Cutting Function | 1/4″~3/4″ | 1/4″~1″ | 1/4″~1 1/4″ | 1/4″~1 1/4″ |
| Special Stitch Guage | 0.2~2.5 | 0.2~2.5 | 0.2~2.5 | 0.2~2.5 |
| Thread Number | 2 | 2 | 2 | 2 |
| Power | 220V | 220V | 220V | 220V |
| Height of Presser Foot（mm） | 17 | 17 | 17 | 17 |
| Sewing Speed（S.p.m） | 4200 | 4200 | 4200 | 4200 |
| Volume（mm） | 780*390*830 | 780*390*830 | 780*390*830 | 780*390*830 |
| Weight(kg) | 56/77 | 56/77 | 56/77 | 56/77 |
| Model Number | JK-T1792BS | JK-T1790BK-1 | JK-T1790BK-2 | JK-T1790BK-3 |
|---|---|---|---|---|
| Needle | DP×5 12# | DP×5KN 11 | DP×5KN 11 | DP×5KN 11 |
| Needle Number | 1 | 1 | 1 | 1 |
| Button Holing Size(mm) | 120×5 | 25×4 | 35×5 | 41×5 |
| Side Cutting Function | 1/4″~1 1/4″ | 1/4″~3/4″ | 1/4″~1″ | 1/4″~1 1/4″ |
| Special Stitch Guage | 0.2~2.5 | 0.2~2.5 | 0.2~2.5 | 0.2~2.5 |
| Thread Number | 2 | 2 | 2 | 2 |
| Power | 220V | 220V | 220V | 220V |
| Height of Presser Foot（mm） | 17 | 17 | 17 | 17 |
| Sewing Speed（S.p.m） | 4200 | 4200 | 4200 | 4200 |
| Volume（mm） | 780*390*830 | 780*390*830 | 780*390*830 | 780*390*830 |
| Weight(kg) | 56/77 | 56/77 | 56/77 | 56/77 |
| Model Number | JK-T1791BK | JK-T1792BK |
|---|---|---|
| Needle | DP×5KN 11 | DP×5KN 11 |
| Needle Number | 1 | 1 |
| Button Holing Size(mm) | 70×5 | 120×5 |
| Side Cutting Function | 1/4″~1 1/4″ | 1/4″~1 1/4″ |
| Special Stitch Guage | 0.2~2.5 | 0.2~2.5 |
| Thread Number | 2 | 2 |
| Power | 220V | 220V |
| Height of Presser Foot（mm） | 17 | 17 |
| Sewing Speed（S.p.m） | 4200 | 4200 |
| Volume（mm） | 780*390*830 | 780*390*830 |
| Weight(kg) | 56/77 | 56/77 |
