Automatic button hole machine

JUKI LBH-3900J Computer controlled Eyelet Buttonholing Sewing machine (for jeans and cotton pants)

JUKI LBH-3900J computer controlled eyelet buttonholing sewing machine is a newly developed highly-durable eyelet buttonholing Sewing System for jeans/cotton pants.

The MEB-3900 reduces the machine time due to its maximum sewing speed of 2,500 sti/min and its speed-up cloth cutting knife, thereby demonstrating increased productivity.

Then newly adopted direct-driven main shaft by means of a compact AC servomotor not only achieves enhanced responsiveness, but also achieves both reduced noise and reduced vibration. In addition, the machine has adopted an air-driven cloth cutting knife which promises excellent responsiveness and operates faster than the conventional knife.

JUKI LBH-3900J Computer controlled Eyelet Buttonholing Sewing machine has adopted a direct-drive method that connects a compact AC servomotor directly to the main shaft. The quick startup and increased stopping accuracy obtained as a results guarantees outstanding responsiveness. In addition, the direct-drive motor does not use a V-belt to reduce power consumption.

JUKI LBH-3900J Computer controlled Eyelet Buttonholing Sewing machine promises high-quality seams by smoothly responding to changes in stitch formation and allowing the operator to set a separate thread tension for the bartacking sections of buttonholes.

Thread tensions for the beginning and end of sewing can also be separately established. This helps prevent loose stitches or slip-off or raveling of thread at the beginning of sewing.

Management, browsing and editing of data can be carried out on the application software

Data on sewing machine adjustments made according to the product to be sewn can be transferred to a commercially-available Android tablet in contactless mode. This enables quick check for uniform settings as well as confirmation of conditions of sewing machines in a sewing line, thereby facilitating setup changes. The operation panel is also provided as standard with a USB port. Data management and software update can be carried out with ease using a USB thumb drive.

Data items of sewing can be numerically managed to ensure "stable quality" and "reduction in time required for setup changes".

Quantified sewing data can be externally taken from the sewing machine using an Android tablet or USB thumb drive.

*Android OS Version 6.0 is recommended to use JUKI Smart APP.

(Operation is confirmed with respect to Versions 5.0 and later.)

Contact JUKI distributor in your area for how to use the application software.

JUKI LBH-3900J Computer controlled Eyelet Buttonholing Sewing machine is provided as standard with 12 different stitching shape patterns. As many as 87 different patterns can be stored in memory and selected.

Two different thread trimmers are prepared.

One of them can be selected according to the customer's needs.

The overall thread trimmer has been putting importance on productivity.

It promises thread trimming without fail and trims the thread in a short time.

The operator is no longer required to carry out fine adjustments of the thread trimmer when changing the sewing length.

A sewing machine with a needle thread trimmer (Needle thread trimming type) has been the MEB Series in response to customer needs.

Needle thread tensions can be digitally established on the operation panel according to sewing conditions. Data can be registered on a pattern-by-pattern basis to easily reproduce the same sewing conditions.

Using conventional machines, it's often quite difficult to reproduce the same sewing conditions. This machine does it with ease. With this capability, the MEB-3900 responds immediately to material changes, significantly reducing the time required for setup changes or adjustments. The machine also ensures the consistent production of high-quality seams.

Since fewer parts need to be threaded, the machine can be threaded more quickly and easily than conventional buttonholing machines.

The data obtained by the APP are reflected in the graph.

JUKI LBH-3900J Computer controlled Eyelet Buttonholing Sewing machine head has a wider space under the work clamps to permit easy placement of a sewing product, thereby improving workability.

The semi-sunken machine head promises easy placement and smooth handling of sewing products. Pistol pocket sewing of finished product became easier.

The amount of material opened can be easily adjusted using the screw mounted outside the machine head.

When the blade of the cloth cutting knife wears, It can be adjusted by changing the height of the spacer.

The computer controlled design eliminates most of the complicated mechanisms.

This dramatically improves maintainability.

The machine head is supported by a gas-spring that makes it easy to raise for smoother cleaning and threading. The tilted up machine head can safely take down thanks to the mechanical lock.

Adoption of a direct-driven main shaft and a revamping of the curve sections of the thread take-up cam and looper cam contribute to remarkably reduced vibration and noise.

The machine automatically reclaims cloth chips after cloth cutting action to keep the working environment cleaner.

Projection of the arm frame of the machine head has been reduced. In addition, the cloth cutting knife is located closer to the operator side as compared with the conventional model.

Viewability, when placing the material on the sewing machine, is improved, thereby contributing to improved workability. In addition, the thread clamp mechanism of the needle thread clamp (optional) has been improved for better viewability.

A latch type bottom cover is adopted. Daily maintenance (threading, adjustment of the looper thread, cleaning, etc.) can be carried out without raising the machine head.

An LED light is provided as standard on the underside of the jaw of the machine head.

The area around the needle entry is this brightened to improve workability.

The brightness of LED can be adjusted to 20 levels.

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