OVERLOCK DEVICE

BK  Back Latching

To prevent seam looseness, turn over the thread and then insert into overlock seaming at the beginning of sewing.
．KD207 hand wheel: standard equipment of 700K/BK machine, optional for BK device.
．Including BK232 sewing bed.

self-installation : YES
applicable model : 737L-504M-7, 747L-514M-7, 747L-514H-7

BKT  Simply Auto Back Latch

It is an ECA extending function, the sewing efficiency is extremely high. The needle plate is
specially designed with a suction channel to quickly retract the thread after trimming. The
thread length is approximately 3cm.

self-installation : NO
applicable model : 747L-514M-3-24/ECA/BKT

CT  Flat Suction Thread Chain Cutter Device

Take thread into trimmer tube by suction motor or air compressor.
(Applicable for 4~6 thread machine)

self-installation : YES
applicable model : 757L, 767L, 757KT

CTE/CTE-U  Flat Suction Auto Thread Chain Cutter Device(with Sensor-controlled Energy-saving Device )

Sensor checks the fabric edge. It saves the energy consuming of air compressor system and also saves thread consuming.

1. Vertical suction trimming is suitable for sewing the light fabric like under-wear or irregular knitwear,to improve the efficiency.
2. The design of the suction inlet of the trimmer makes the trimming faster.
3. For those special fabrics such as mesh fabric, mercerized cotton etc, the stitches are easily accomplished as well as the trimming by the professional computer controlled without mistaketrimming.
4. Functions with auto stop sewing after trimming and with no fabric can save the stitches.
5. VTA trimmer is controlled by air cylinder, which reduces the blade stroke times and extends the durability.

self-installation : YES
applicable model : 737L-504M-7, 747L-514M-7, 747L-514H-7

DKL①② / DKK①②  Direct drive Servo Motor

Overlock sewing machine equipped with the modularized direct drive servo motors to be more flexible for diversification.
①=Manufacturer code ②=Version code + Function code

self-installation : YES
applicable model : All Overlock Series

EC  Electric Type Tape / Elastic Cutter

Cuts tape/ elastic by pressing the button.

1. EC-K: Standard knife (16 mm”) EC-K-A: Long knife (22 mm”)
2. Hand-control button : standard Knee-control paddle (FEC34-A) : Optional

self-installation : YES
applicable model : MODEL w/LFC-3, MDDEL w/PS, MODEL w/TG

ECA  Pneumatic Type Tape / Thread Cutter ( with Auto / Manual Switch Function)

ECB  Solenoid Type Tape / Thread Cutter ( with Auto / Manual Switch Function )

Brand new sensor upgrades the performance. ECA is pneumatic type, and ECB is electric type,compatible with air suction slot, which makes the operation more smoothly.

1. Manual, semi-auto and fully-auto operation mode, attached the switch keys, and could be adjusted by the panel.
2. Mistake-proof protection device: One sensor equipped near the trimmer. If the sensor is blocked, the trimmer is deactivated effectively for avoiding from cutting the fabric.
3. Manual trimming compensation stitch key: If the thread is not cut due to the operation, it can be done by the key.
4. Under the manual mode, it could be fully backward pedaled to cut the thread.
5. For those special fabrics such as mesh fabric, mercerized cotton etc, the stitches are easily accomplished as well as the trimming by the professional computer controlled without mistaketrimming.

self-installation : NO
applicable model : 737L, 747L 757L, 767L

FG  Side Tape Holder

For tape feeding, on the right side of the table.

self-installation : YES
applicable model : MODEL w/PS, MODEL w/TA

GA  Gathering Device

Continuous or intermittent random gathering on lower ply.
P: Piping folder KV57 (tape width 25mm / finish width 6mm) is optional. For piping with rope inside, presser foot requires a trench, which is marked with P at the end of parts code. eg
P204P.

self-installation : YES
applicable model : 747KT-514H, 747L-514M-8, 757L-516M-8

GAS  Gathering Presser-foot

Continuous or intermittent random gathering on lower layer of fabric.
Part NO. ZGL04-P324-A

self-installation : YES
applicable model : 747L-514M

GAL  Flounce/Falbala fine edging

Elastic fabric fine serging with a pull-back device makes flounce/ falbala style.
Adjust the pressure of pull-back plate to have big or small waves.

self-installation : YES
applicable model : 737L-504F-2

KB301  Simple anti curly selvedge device

Easy to install, effectively solve curly selvedge problem.

self-installation : YES
applicable model : MODEL 700L, MODEL 700KT

KB561-A  Flat Bed Cloth Plate

To convert cylinder bed machine into flat bed machine. For normal overlock sewing operation.

self-installation : YES
applicable model : 700KS

FA  Side Electric Tape Feeding

With electronic switch to control the feeding length of tape, elastic, or lace to create smoother sewing.
Tape feeding will be on the right hand side of the control box.

self-installation : YES
applicable model : 700KS

LFA  Electric Type Upper Tape Feeding Device

To keep constant tension for sewing. Elastic tape is fed by motor for zero tension and required length.
Voltage, 110V(Part NO. LFA-1A) / 220V(Part NO. LFA-2A)

self-installation : YES
applicable model : MODEL w/LFC-3, MODEL w/TG

LF290  Untangline Wheel

An optional device to be equipped with LFA (tape feeding device). Untangling the elastic tape
by reverse rotation wheel is a pre-feeding process.
Voltage, 110V(Part NO. LF290-A1) / 220V(Part NO. LF290-A2)

self-installation : YES
applicable model : MODEL w/LFA

LFC-3  Mechanical Type Elastic Feeding

To Control elastic tape tension by adjusting the gear.
Presser foot:
P216-3 for 3 thread
P216-4 for 4 thread
Standard is P216. Special demand by request.

self-installation : YES

LS  Upper Tape Holder

For top feeding tape or elastic.

self-installation : YES
applicable model : MODEL w/LFC-3, MODEL w/TG

PS  Pocket Sewing

Overlock sewing with tape binding for strengthening the pocket edge.
PS201: Folder, for tape width 3/8″ (9.5mm)

self-installation : YES
applicable model : 757L-516M-3

UC  Top and Bottom Anti-Curly Edge

The pneumatic device solves the problem of curly edge material. The fabric edge is flattened
by air before entering the presser foot. Applicable to up-roll, down-roll, and all kinds of curly
edge situations, which highly improves the sewing efficiency.
There are 3 types for this device. UC-L (High-end electronic control type), UC-L2 (economic
mechanical type), and UC-L3 (Up-roll only type).

self-installation : YES
applicable model : 700L Series

TA  Two Chain stitch Pocket Sewing Device

Tape binding by two chainstitch sewing for strengthening the pocket edge.
Standard folder(tape width 25.4mm/ finish width 6.4mm)

self-installation : YES
applicable model : 757L-401M

TB-K1  Machine Body Supporter for Full Submerged Table

700K series machine base for full submerged table

self-installation : YES
applicable model : Table 700K-T2, 700K-T3

TG  Tape Guide

To prevent knit wear shoulder stretching, insert woven tape for strengthening.
P254J-4A: Presser foot for maximum tape width is 13 mm.

self-installation : YES
applicable model : 747L-514M-3, 747L-514H-4

VT  Side Suction Thread Chain Cutter Device

Take thread into trimmer tube by suction motor or air compressor. (Applicable for 3~4 thread
machine)

self-installation : YES
applicable model : 737L, 747L, 737KS, 747KS

VTE VTE-U  Side Suction Auto Thread Chain Cutter Device (with Sensor-controlled Energysaving Device )

Our computerized system drives sensor-controlled energy saving device.
Sensor checks the fabric edge. Turn the button of control box to set the time of air suction of
chain-cutter. It saves the energy consuming of air compressor system and also saves thread
consuming.

self-installation : YES
applicable model :737L, 747L

WR/ LFC-3  Spaghetti Sewing

Overlock sewing at knit tape edge and then turn it into tube. For swimwears, night gowns etc.
Folder size: tape width is 22.2mm, finished tube size is 5mm in diameter.

self-installation : YES
applicable model : 737L

TUA-3X  3-in-1 Dust Collecting Suction Device

Standard device of sensor-controlled machine (ECA, ECB, CTE, VTE), which cleans away
thread ends (rear suction), cloth waste (front suction), and lint (inner suction). Compatible to
700L, 700KT/KS/KST.