Automatic lockstitch sewing machine, 1-needle Jack A4F-H7

Jack A4F-H7 is a professional sewing machine with lower feed, designed for sewing medium and heavy materials. It is complete and ready for immediate operation, and its automatic functions, such as thread cutting, needle positioning, programmable starting and ending bartack and automatic presser foot lifting, increase comfort of use and provide optimal working conditions. Jack A4F-H7 also has a stepper motor that allows you to electronically determine the stitch length with an accuracy of 0.1 mm, and a stitch segment programming function that allows you to obtain effective decorative stitches. These patterns can be remembered and individually configured from the panel, and can also be used as reinforced stitches, improving the stitching strength. Jack A4F-H7 has voice notifications in Polish. It also has an improved design of the material transport and pressure system, which increases the thickness of the sewn material.

Automatic thread cutting

We cut threads quickly and easily. Completely automatic, extremely convenient to work with.

Automatic needle positioning

Electronic needle positioning sets the needle to work.

Makes the starting and ending bolt

The Jack sewing machine locks and protects the stitch against unraveling at the beginning and end of the stitch.

Automatic presser foot lift

A new, additional system for adjusting the presser foot lifting height from 0 to 13 mm. It allows you to adjust the automatic presser foot lifting height to the thickness and fluffiness of the fabrics being sewn. This makes it much easier to maneuver the fabric under the presser foot.

Electronic regulation of sewing density

A very accurate electronic system for adjusting the sewing density with an accuracy of 0.1 mm and a maximum length of 5 mm

A talking machine

A unique feature of Jack A4F lockstitch machines is the use of a speech synthesizer, which guarantees the provision of voice information in English. The messages it speaks make it much easier and more efficient to use the many functions it is equipped with.

Energy-saving AC Servo motor

Brushless, it has many advantages over a traditional motor. It has low friction, is quiet, has a long cycle life, is smaller and lighter. Dedicated to most sewing machines. The most important advantages are low energy consumption (up to 71% less) compared to standard motors, the ability to easily adjust the speed and the use of a needle positioner.

Central lubrication

The lockstitch machine uses a traditional method of lubrication, which involves using an oil pan. This central, open lubrication system ensures reliable and effective lubrication of the individual components of the sewing machine .

Makes decorative stitches

The lockstitch machine is equipped with a function for programming stitch sections, which makes it possible to obtain effective and reinforced patterns consisting of a lockstitch stitch sewn in a front-back sequence.

Programming sewing parameters

We can easily program sewing parameters using three convenient buttons. Thanks to them, we can lock, add a stitch and sew 1/2 of the stitch length.

LED lighting

The machine has modern LED lighting, closest to natural light and does not strain the eyes.

Machine included

The machine comes complete with a matching table.

Machine parameters:

- stitch length up to 7 mm,

- presser foot lifting height up to 13 mm

- working speed up to 3500 injections/min

- central lubrication

- needle system 135x5 (DBX5)

- table top 105 x 55 cm

- USB port

The machine is covered by a 2-year warranty for individuals or 1 year for companies. in the door-to-door system. This means that we collect and deliver the machine directly to your home free of charge

Standard equipment of the machine:

- machine head with a built-in energy-saving motor

- high-quality table top

- table base with pedal

- drawer

- DBx1 needle installed

- a set of needles

- metal bobbin in the bobbin + 1 spare

- user manual

* The manufacturer reserves the right to change equipment without prior information.

We invite you to purchase needles for sewing various materials, additional bobbins and presser feet. You will find everything in the "Accessories" category