JUKI DDL-5550N Handbook page 113

Single-thread, Chainstitch, Button Sewing Machine
with Knot-tying Mechanism
MB-377NS Series
● The machine ties a secuare knot to prevent the finished seam
from coming undone from the last stitch.
firmer than conventional knots, the hardly ever come undone.
Even if the last stitch comes undone, the thread is not likely to
come off, so the risk of losing buttons is dramatically reduced.
● The 4-holed button sewing mode can be easily switched over to
the 2-holed button sewing mode in accordance with changing
sewing specifications. Furthermore, the button hole interval
can be easily changed by operating the lever.
● The number of stitches can be quickly selected from among 8,
16 and 32 stitches corresponding to the change in sewing
specifications.
SPECIFICATIONS
Model name
Thread trimming mechanism
Sewing speed
Number of stitches
Feed length
Stitching shape
Applicable button
Button size
Thickness of button
Needle bar stroke
Needle (at the time of delivery)
Button clamp lifting system
Sewing system
Stop-motion mechanism
Lubrication
Lubricating oil
Power requirement/motor used
WHEN YOU PLACE ORDERS
● Machine head
MB377NS
Subclass models
8, 16 and 32 stitches
8, 16 and 32 stitches
8, 16 and 32 stitches
ATTACHMENTS FOR FLAT BUTTON
For large button
Z201
Sketch
A
A
B
Button size A: 3 6.5mm
B: 20 28mm
Since the knots are
Interlocked with the presser lifter Cut with the fixed knife and moving knife
(equipped with the speed-decreasing device and the reverse rotation preventing device)
Single- or 3-phase/200W (1/4 HP), general-purpose motor
/
Code Button clamp unit Code
For flat button
(small)
For flat button
10
(medium)
11
For medium-sized button
Z202
Sketch
A
A
B
Button size A: 3 5mm
B: 12 20mm
MB-377NS
Max 1,500rpm, Normal 1,300rpm
8, 16 and 32 stitches
Crosswise feed 2.5 6.5mm,
Lengthwise feed 0 6.5mm
, ,
Round-shaped flat button (2-holed, 4-holed)
10 28mm
Max. 3.1mm
48.6mm
TQ 1 (#16) #14 #18 or TQ 7 (#16) #14 #20
Automatic system (pedal type possible)
Single thread chainstitch
Automatic stop-motion mechanism
By an oiler
JUKI New Defrix Oil No.1 (equivalent to ISO VG7)
S
M
MB-377NS
For sewing flat buttons
MB-377NS Series (September, 2003) 1/1
7