What are the main features of the LF-Q7?

Surface-stitch & bartack stitching completed in one step, no manual pocket turning required; Suction no-iron function; Infrared positioning; Quick pattern programming via computer, patterns can be saved; Adjustable pocket size, fast size switching.

Automatic Pocket Welting Machine（hot selling item）

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LF-Q7

Automatic Pocket Welting Machine（hot selling item）

1. Surface‑stitch & bartack stitching completed in one step, no manual pocket turning required 2. Suction no‑iron function 3. Infrared positioning 4. Quick pattern programming via computer, patterns can be saved 5. Adjustable pocket size, fast size switching 6. Pocket sewing speed: 20‑32 seconds per piece 7. Applicable pocket types: real & fake pockets, single‑lip pockets, double‑lip pockets, zipper pockets, etc.

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What is the LF-Q7?

Automatic Pocket Welting Machine（hot selling item） (LF-Q7) is an industrial sewing automation machine supplied and supported by Tex Edge Automation. It is used on garment and textile production lines, where it replaces manual handling with a repeatable automated cycle. Standard equipment includes Surface-stitch & bartack stitching completed in one step, no manual pocket turning required, Suction no-iron function, Infrared positioning. It is built around LETSEW components. Tex Edge Automation handles installation, operator training and after-sales support in Bangladesh. Apparel, leather and non-apparel manufacturers use machines from this range on their production floors. Pricing is quoted per configuration rather than listed, because specification and tooling vary by line.

Surface‑stitch & bartack stitching completed in one step, no manual pocket turning
Suction no‑iron function
Infrared positioning

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Pocket Welting Efficiency: 1000‑1400 Pcs /10 Hours

No skilled operators required. Basic operation can be learned in just 5 minute. It integrates laser cutting, edge folding, sewing and bartacking into one single process. A complete welting pocket can be finished in as fast as 20 seconds. Cyclic operation greatly boosts production efficiency, delivering 3‑6 times higher throughput compared with traditional manual pocket welting. Featuring computer‑aided pattern drafting, you only need to adjust parameters to match target dimensions for simple, user‑friendly operation.

Wide‑Range Fabric Compatibility

Compatible with various thick & thin materials including knits, wovens, ice silk, four‑way stretch fabric, denim, down‑proof fabric and composite fabrics. Supports single‑sided pockets, double‑welt pockets, zipper pockets, side pockets, round pockets, flap pockets and slant pockets, delivering consistent high‑quality sewing results.

Function overviews

Infrared positioning function
Build-in Suction system
Support panel A
Microcomputer control
Switch assembly
Support panel B

Production process

Program pre-selection

Select pre‑programmed seam patterns via the control panel.

Manual working steps

Weltings, flaps and auxiliary components are placed on the tray table for machine‑driven feeding.

Automatic Sewing Process

Operators simply press Start with one click. The machine carries out laser pocket cutting, material folding, sewing and bartacking to discharge finished pocket products.

Reference Case

Specifications

Model	LF-Q7
Rated power	Regular 1.2kw (Peak: 2.8kw)
Rated vol	220V single phase 50Hz (with ground wire)

Original External Folding‑Edge Structure

Featuring the patented external folding‑edge technology, it delivers stable, neat and good‑looking pocket folding edges. It offers great fabric compatibility for wide‑range applications. It easily sews pockets with large zipper sliders and narrow pockets, with a minimum working width of 0.8 cm.

Function Overview

Surface-stitch & bartack stitching completed in one step, no manual pocket turning required
Suction no-iron function
Infrared positioning
Quick pattern programming via computer, patterns can be saved
Adjustable pocket size, fast size switching
Pocket sewing speed: 20-32 seconds per piece
Applicable pocket types: real & fake pockets, single-lip, double-lip and zipper pockets

Frequently asked questions

What is the LF-Q7?: 1. Surface‑stitch & bartack stitching completed in one step, no manual pocket turning required 2. Suction no‑iron function 3. Infrared positioning 4. Quick pattern programming via computer, patterns can be saved 5. Adjustable pocket size, fast size switching 6. Pocket sewing speed: 20‑32 seconds per piece 7.
What are the main features of the LF-Q7?: Surface-stitch & bartack stitching completed in one step, no manual pocket turning required; Suction no-iron function; Infrared positioning; Quick pattern programming via computer, patterns can be saved; Adjustable pocket size, fast size switching.