JACK Buttonholing Machine JK-T1790B

Electronic Lockstitch Buttonholing Machine

Multifunctional, electronic controlled and programmed buttonhole machine, driven by AC servo motor, with features such as low vibration, low noise. High efficiency and excellent sewing quality.

Machine is equipped with electronic thread tension device to avoid thread breakage, drop thread when start sewing and makes perfect stitch. Modern technology provides limited to minimum lubrication (that prevents the formation of spots on the sewing products). The cooling fan greatly lowers the temperature of motor, lengthens the lifetime of the machine. LED lamp for lighting of working field is standard. Maximum speed can reach 4200 RPM.

For light and medium fabrics.

JACK Buttonholing machine JK-T1790B is equipped with a readable control panel, that makes new patterns easy to update.

Max. 200 patterns can be saved on the operation panel or update by USB port.

Automatic functions:

  • presser foot lifter
  • thread trimmer
  • sewing speed regulation
  • multi-cutting system – can make buttonhole of any length, without changing the knife.

Technical parameters:

  • maximum sewing speed: 4200 stitches / min
  • buttonhole length:
    • 6.4 – 25.4 mm with the standard work clamp
    • 6.4 – 31.8 mm optional (additional equipment)
  • bartacking width max. 5mm
  • power supply: 230V
ModelNeedlesNumber of needlesNumber of threadsThe size of the buttonhole
Presser foot lift (mm)Sewing speed: stitches / min
JK-T1790BS-2DPX5 12#1235 x 5174200
JK-T1792BSDPX5 12#12120 x 5174200

JACK Buttonholing Machine JK-T1790B

Higher Speed, Higher Efficiency

Intelligent system of automatic cutting and automatic presser foot lifter. The maximum speed can reach 4,200 rpm, which greatly improves work efficiency.

JACK Buttonholing Machine JK-T1790B

Big Sewing Area

Superior work field, convenient to put and operate fabric.

JACK Buttonholing Machine JK-T1790B

Many Patterns Easy to Upgrade

Up to 200 types of patterns can be saved. Equipped with USB connection, convenient for ading patterns and software upgrading.

JACK Buttonholing Machine JK-T1790B

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, that provides beautiful stitch.

JACK Buttonholing Machine JK-T1790B

Cooling System, Low Temperature And Durable

The cooling fan greatly lowers the temperature of motor, lengthens the lifetime of the machine.

JACK Buttonholing Machine JK-T1790B

Basting Stitch Mechanism

Basting stitch mechanism is effecive on elastic materials such as knits. Double cycle of stitching together with a preliminary reinforcement stiching.

JACK Buttonholing Machine JK-T1790B

Multi-Cut No Need To Change The Knife

Thanks to the multi-cutting, it is no longer required that the knife be changed at the time the buttonhole size is changed. The number of knife dropping times can be automatically set according to the buttonholing size frequently changed (i.e. small lot production).