JUKI DDL-5550N Handbook page 58

Bottom-feed, Overlock / Safety Stitch Machine
for Extra heavy-weight materials
MO-6900G Series
● The machine incorporates a mechanism and parts that are optimum
for the sewing of extra heavy-weight materials, such as an extra
high-lift type upper looper, tractor foot and coarse type feed dog.
It demonstrates an excellent performance ability in the sewing of
various kinds of heavy-weight materials such as jeans, raised fabric
materials, mats and carpets.
● The machine securely clamps the material at the beginning of sewing
as well as smoothly sewing multi-layered parts of the material to
facilitate the sewing of extra heavy-weight materials.
SPECIFICATIONS
Model name
Stitch type
Stitch style in the U.S.A.
Max. sewing speed
Stitch length
Needle gauge (mm)
Overedging width (mm)
Differential feed ratio
Needle bar stroke
Inclination angle of the needle
Needle bar bushing
Needle
Max. lift of the presser foot
Max. presser foot pressure
Stitch adjusting method
Differential-feed adjusting method
Weight of the machine head
Lubrication
Lubricating oil
Needle cooler
Needle thread heat remover
Micro-lifter
SUBCLASS MACHINE LIST
Number
Model No. Materials of
needles
MO-6903G-0N6-3D1 L M 1
MO-6904G-0F6-700 1
MO-6905G-0M6-700 1
EH
MO-6905G-0M6-7E0 1
MO-6914G-CH6-700 2
MO-6916G-FF6-700 2
MO-6916G-FH6-700 2
MO-6904G
1-needle overlock
504
2.5 5mm
4.8, 10.0, 18.0
For gathering 1:1.75 (max. 1:3.8)
For stretching 1:0.7 (max. 1:0.6)
Provided as standard (excluding some subclass model)
Number
Number Needle Overedging of Stitch
feed dog length
of gauge width (mm)
threads (mm) rows (mm)
2 18.0 3
3 4.8 3
3 10.0 3
3 10.0 3
4 2.6 6.4 3
5 4.8 4.8 3
5 4.8 6.4 3
MO-6914G
2-needle overlock
514
6,000rpm
2.5 4mm
2.6
6.4
For gathering 1:2 (max. 1:3.8)
For stretching 1:0.8 (max. 1:0.6)
28.8mm
20°
Upper/lower bushing method
DO 5 (excluding some subclass model)
8mm (excluding some subclass model)
63.7N (6.5kg)
By push-button
By lever (with micro-adjustment)
28kg
Automatic
JUKI Machine Oil 18 (equivalent to ISO VG18)
Provided as standard
Provided as standard
Longitudinal Presser
Bottom stroke lifting
of top-feed amount
differential-
feed ratio dog (mm) (mm)
7 5
5 1:0.7 1:1.75 8
7 7
7 7
4 1:0.8 1:2 8
5 1:0.7 1:1.75 8
5 1:0.7 1:1.75 8
MO-6916G
MO-6916G
Safety stitching
516
2.5 5mm
4.8
4.8, 6.4
For gathering 1:1.75 (max. 1:3.8)
For stretching 1:0.7 (max. 1:0.6)
Remarks
Max.
sewing
speed
Needle system
(rpm)
DO 5 #16 5,500 For splicing fabrics
For runstitching
DO 5 #21 6,000 extra heavy- weight
materials such as denim
For overedging carpets,
DC 1 #24 4,000
mats for entrance halls, etc.
DC 1 #24 4,000 For overedging car mats
DO 5 #18 6,000 For overedging jersey, etc.
DO 5 #21 6,000 For safety stitching
extra heavy-weight
DO 5 #21 6,000
materials such as denim
MO-6900G Series (September, 2003) 1/2
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