Sewing machine

Jack Z7 Ledernähmaschine

Jack Z7

Powerful Triple Feed
The Z7 features synchronized movement of the feed dog, needle, and presser foot – specifically designed for heavy-duty materials such as car seats, steering wheels, upholstered furniture, bags, and mattresses. Precise fabric guidance and consistent stitch quality, even under maximum load.

Artificial Intelligence
An advanced AI chip instantly recognizes changes in material thickness and resistance and transmits this data directly to the motor. This automatically increases the piercing force and torque – for smoother sewing and maximum efficiency.

Thickness Sensor
The integrated sensor detects differences in fabric thickness and automatically activates the second alternating presser feet and the additional thread tension system – for perfect seams from start to finish.

Dual Alternating Presser Feet
Two adjustment knobs control the dual alternating presser foot system, which operates automatically or manually, depending on the detected fabric overlap or thickness.

Additional Thread Tension System
Dwedpfez I Tfdox Agksc
A second thread tension device can also be activated automatically or manually to adapt precisely to the fabric layers and ensure optimal tension.

Dual Stitch Length Function
When sewing corners or dense seams that require shorter stitches, the Z7 automatically switches via a button press – no manual readjustment is necessary.

Touchscreen Control Panel
The intuitive touch panel with voice guidance and symbol display enables quick activation or deactivation of functions such as backstitching, presser foot lifting, thread trimming, and more. Holding down a button accesses the extended function configuration.

Electronic Handwheel
Precise micro-adjustments are possible with the integrated digital handwheel – half stitch with a single click!
Function Buttons

Ergonomically mounted on the machine head; one button can be individually programmed via the control panel.

850W High-Performance Motor

The most powerful motor in its class – with 13% more power than comparable triple feed machines.
Pneumatic Presser Foot Lifter

Equipped with a dual, alternating pneumatic presser foot lifting system for greater efficiency and comfort.
XXL Hook System

Suitable for thick threads and long seams – with a 32 mm hook, 73% larger than standard 2X types. Guarantees durability and maximum performance.

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