SiRUBA 700L Series Overlock Machine

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SIRUBA 700L series is an improved version of the 700K series, very popular on the market. The specially designed thread guide system ensures stable working conditions even at high sewing speeds. In the 700L overlocks, new materials have also been used in all elements in contact with the threads. This is done for reason to reduce the formation of electric charges in the threads and improve the quality of the stitch, what in effect causes into easier adjustment of the machine, better quality of the seams obtained and a wider range of applications.

The use of modern technologies has made it possible to reduce the weight of individual mechanisms while maintaining high quality and durability. This guarantees quiet operation and high work culture, also at high working speeds.

The most popular options of 700L series machines:

  • BK – manual thread cutting and stitching the chain into a stitch.
  • GA – equipment for creasing material with the possibility of sewing a decorative inset.
  • EC – electric thread / tape cutting (activated by a button next to the needle bar).
  • CT / VT – pneumatic thread cutting and suction. Can be combined with suction of cut off material and pneumatic foot lifting (connection to compressed air required).
  • TG – tool for sewing tape into a stitch.

Description

SiRUBA 700L Series Parts List

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504
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514
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512
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516
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644(401+514)
GENERAL SEAMING
A: Upper looper is blind looper
B: Single row feed dog
C : For regular seaming on light to medium fabric.
D : Mock 516 seaming For regular seaming on light to medium fabric.
E : For regular seaming on light to medium fabric.
Specially suitable for small production workshop, and fashion design studio. A variety of five different sewing types by changing number of needle and looper. (504, 514, 516, 401, 644).
OPTIONAL DEVICE
*CT , *VT , TUA

*Remark : VT only for 737L & 747L / CT only for 757L & 767L


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A
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B
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C
FINE EDGING
A. For fine edging on extra light knit fabric. The presser foot is with fine folding function. (falbala edging)
Eg : Handkerchief & dress…etc.
B. For fine edging on extra light knit fabric. The presser foot is with fine folding function. (handkerchief edging)
Eg : Handkerchief & dress of silk fabric…etc.
C. For fine edging on light to medium fabric. (handkerchief edging)
Eg : Handkerchief & dress …etc.
OPTIONAL DEVICE
VT , TUA

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TAPE INSERTING

For sewing a woven tape onto the shoulder of knitwear such as a T-shirt or sweater etc., to prevent abnormal stretching.

OPTIONAL DEVICE
EC , LFA , LS

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BLIND HEMMING

For hemming sleeves and bottoms of T-shirts or underwear etc. Applicable for light to extra light fabric.

OPTIONAL DEVICE
VT , TUA

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FISHBONE STITCH

Suitable for fabrics of different thickness and elasticity. Sewing with fishbone stitch can easily flatten the fabric, so that the stitches can be neatly placed on the fabric, which is good looking and comfortable to wear at the same time.

Width of fishbone stitch :

Fishbone stitch has good operability and adjustability. You can choose single left needle sewing or single right needle sewing according to the sewing width requirement. The width of fishbone stitch is 5mm with single left needle; the width of fishbone stitch is 3mm with single right needle.

Fishbone-seam Peeling Machine :

Fishbone stitch has good operability and adjustability. You can choose single left needle sewing or single right needle sewing according to the sewing width requirement. The width of fishbone stitch is 5mm with single left needle; the width of fishbone stitch is 3mm with single right needle.

Two Types of Stitches Sewing :

Easily convert two threads to three threads for different seams requirements.


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GATHERING
Continuous or intermittent random gathering on lower ply of
medium fabric, can be equipped with piping folder to increase
sewing quality for shirt, bed sheets, curtains etc.

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OPTIONAL DEVICE
EC,LFA,LS

ELASTIC ATTACHING

The tape-feeding device controls the tension.
Applicable to swimming wear, underwear,
sports wear’s elastic band attaching.

LFC-3 :
Mechanic-type elastic tape feeding various presser feet for optional demand.
SMK:
Electric metering-type elastic tape feeding
SMK1-A-01 with synchronizer for simple servo motor or clutch motor.
SMK1-A-02 is connected to the servo motor by an encoder cable.

Presser foot P216 P217 P218 WP219
Elastic Size 2-13mm 2-20mm 2-30mm 2-35mm
Remark Standard Optional
737L-Wr/LFC-3

SPAGHETTI SEWING

To sew knit fabric tape and turn over it into spaghetti tube for swimwear, nightgowns, etc…
Remark: Standard folder specification: tape width is 22mm (7/8”) and the finished tube size is about 5mm in diameter.

OPTIONAL DEVICE
FG

 


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BACK LATCHING SEAMING

To prevent seam looseness, turn over the thread and insert it into overlock seaming at the beginning of sewing, for sleeve and sideway sewing of underwear, sportswear etc.

Operation Code Description Applicable Series Drive Type
Manual BK Rotary Plate 737L
747L
To equip with servo motor for needle position function is optional and recommended.
Simplified Fully Auto BKT 1. Simplified type, back latch length 3cm.
2. With ECA cutter, needle plate suction channel for thread-end down turning .
747L 700L; Pneumatic type servo control system
Fully Auto BKF1 1. With VT suction trimmer
2. Multi-operation mode setting
3. Thread-end side turning. Back latch length is adjustable (Min. 2.5cm)
737L
747L
BKF1; Pneumatic type servo control system

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TE / EC

TAPE INSERTING ON BULKY KNITWEAR

For sewing a woven tape onto the shoulder of knitwear such as a sweater, to prevent abnormal stretching.
Remark: Max. width of tape is 1/4”(6.35mm)

TG/EC OPTIONAL DEVICE
LFA,LS

OVER SEAMING ON BULKY KNITWEAR

For regular seaming on bulky knit fabric such as sweaters.

514H4 OPTIONAL DEVICE
CT,TUA
516X-3

DENIM OVERLOCK

The special driving mechanism for seaming on denim fabric such as jeans, workwear, etc.

516X3 OPTIONAL DEVICE
CT,TUA

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POCKET BINDING

PS: Insert an extra tape to cover the edge of the pocket then by safety stitching to strengthen the pocket seaming.
Suitable for high-quality trousers.
Remark: The standard folder for tape width is 3/8”(9.5mm)

TA: Two needles two chain stitches. Tape binding by two chain stitches on the edge of the pocket of high-quality trousers.
Remark: Standard folder (tap width 25.4mm/finish width 6.4mm)

OPTIONAL DEVICE
EC , FG

Remark: EC only for PS

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