Computer-controlled, High-speed, Lockstitch Buttonholing Machine
The machine offers increased flexibility. It achieves the highest productivity and seam quality.

The machine eliminates oil stains on the sewing product.

Thanks to our advanced dry-head technology, no lubrication is required except for the hook section. This eliminates oil stains on the sewing product.

The machine can be completely changed into a dry-head machine by replacing the hook with an optional non-lubricated hook.
(In this case, the maximum sewing speed will be 3,300rpm.)

JUKI's unique active-tension
(Electronic thread-tension-control system).

Needle thread tension for sewing parallel and bartacking sections of buttonholes can be separately controlled through the operation panel and stored in memory according to various sewing conditions (e.g., type of thread, type of material and sewing speed).

The machine is able to change the needle thread tensions at the parallel and bartacking sections of the buttonhole, to produce a beautiful buttonhole shape. This capability helps greatly in preventing thread breakage.

Needle thread tension is activated at the beginning and end of sewing. This prevents unthreading of the needle thread, and thread fraying that is likely to occur at the beginning of sewing.

Thread tension for basting stitching can be specified separately.

Frame shape offers improved operability.

The hollowed type frame promises efficient sewing of vertical buttonholes. The machine can be operated with its head positioned horizontally.

The distance from the machine arm to the needle has been lengthened and the left side section of the needle entry has been reduced by a large margin. This helps in the smooth placement of the sewing product on the machine, thereby ensuring improved workability.

The sewing product can further be placed on the machine easily by installing the auxiliary table (standard accessory). In addition, the needle entry is located in the center of the bed, promising easier positioning of the sewing product.

Basting stitch mechanism is effective
for the production of beautiful buttonholes.

The basting stitch is effective on elastic materials such as knits. Two different stitching styles are possible, i.e., “basting stitch” and “joining stitch.” These two styles of stitches may also be combined. (Sewing is carried out in the order of joining stitch, basting stitch and regular stitch.) Basting stitch: Since the needle thread is tucked in without fail, it will never jut out of the buttonhole seams. Basting stitch can be sewn by nine rounds.
Joining stitch: It works to prevent the buttonhole from expanding, thereby helping to finish beautiful buttonholes.

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