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1-needle,
Unison-feed, Lockstitch Machine with Large Hook
DNU-1541
DNU-1541S(with
safety mechanism)
DNU-1541-7(with
automatic thread trimmer)
With its reliable feed and consistent seam quality, the
machine responds outstandingly to the sewing of heavy
materials.
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PDF
CATALOG 
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| DNU-1541-7 |
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Features
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Excellent
sewing capabilities and feed performance. |
With its larger needlebar
stroke, higher presser foot lift, and
newly adopted double-tension mechanism,
the machine offers excellent sewing
capabilities and responsiveness.
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| The alternating vertical
movements of the walking foot and presser
foot are as large as 6.5mm. In addition,
the ratio between alternating vertical
movements of the walking foot and presser
foot remains unchanged even when the
material thickness changes. Thanks to
this feature and the adoption of a new
method of rectangular feed that prevents
needle from fraying, the machine sews
multi-layered parts of a material with
consistent stitching pitch while preventing
stitch gathering. |
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Compared with the elliptical
feed, the rectangular feed helps
reduce gathered stitches. |
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The ratio of alternate vertical
movement remains unchanged even
when the material thickness changes. |
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Higher lift of the presser foot |
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The maximum alternating
vertical movement is 6.5mm. |
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High-speed
performance increases productivity. |
The machine delivers
increased productivity at sewing speeds
as high as 2,500rpm (DNU-1541, -1541S)
or 3,000rpm (DNU-1541-7).
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Safety
mechanism.
(DNU-1541S) |
When the
thread is caught in the hook or any
other sewing trouble occurs, the safety
mechanism will automatically operate
to prevent the machine from being damaged.
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Excellent
operability and maintainability. |
The stitch
length can be easily selected by the
stitch dial.
The machine's enhanced operability features
include a clear view of the area around
the needle, placement of the bobbin
thread winder on the front face of the
machine arm, and a large handwheel( 160mm).
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A knee-lifter
mechanism is built in the bed. This
reduces the pressure required to operate
the knee-lifter and facilitates setup.
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The machine’s
full-open-type top design makes adjusting
works easier.
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The machine
comes with a lubricating mechanism that
uses a centralized oil wick. This substantially
reduces the time and trouble required
for oiling the machine. (Hook : automatic.)
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| A walking
foot mechanism is built into the machine
arm to prevent oil from scattering |
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Specifications
| MODEL
NAME |
DNU-1541 |
DNU-1541S |
DNU-1541-7 |
| Max. sewing speed* |
2,500rpm |
3,000rpm |
| Max. stitch length |
9mm
(Normal/Reverse feed) |
| Needle bar stroke |
36mm |
| Lift of the presser foot |
By
hand: 9mm, By knee: 16mm |
| Thread take-up |
Slide
type |
| Amount of alternating
vertical movement |
2.5~6.5mm |
1~6.5mm |
Dial for adjustment of
alternating
vertical movement |
— |
Provided
as standard |
| Bottom-feed adjusting
mechanism |
— |
Provided
as standard |
| Hook |
Horizontal-axis
full-rotary double-capacity hook |
| Needle (at the time of
delivery) |
135
x 17 ( Nm160) Nm125~Nm180 |
| Thread |
#30~#5,
B46~B138, Nm=60/3~15/3 |
| Pitch changing method |
By
dial |
| Bobbin winder |
Provided
as standard |
| Knee-lifter mechanism |
Provided
as standard |
| Safety mechanism |
— |
Provided
as standard |
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| Lubrication |
Centralized
oil wick lubrication (hook: automatic) |
| Lubricating oil |
JUKI
New Defrix Oil No.2(equivalent to ISO VG32) |
| Distance from needle
to machine arm |
264mm |
| Bed size |
477mm
x 178mm |
| Weight of the machine
head |
36.5kg |
42.5kg |
| Automatic reverse feed
function |
Option |
Provided
as standard |
| Compressed air and air
consumption |
— |
0.5MPa
(5kgf/cm2),
0.3N /min |
| Power requirement |
— |
Single-phase
100~120V, 220~240V
3-phase
200~220V, 220~240V |
Amount of alternate vertical
movement of
the walking foot and presser foot |
Stitch
length:6mm or less |
Stitch
length:More than 6mm and 9mm or less |
| Less than 3mm |
2,500rpm |
2,000rpm |
| 3mm to less than 4mm |
2,000rpm |
2,000rpm |
| 4mm to less
than 6.5mm |
1,600rpm |
1,600rpm |
Amount of alternate vertical
movement of
the walking foot and presser foot |
Stitch
length:6mm or less |
Stitch
length:More than 6mm and 9mm or less |
| Less than 2.5mm |
3,000rpm |
2,000rpm |
| 2.5mm to less than 4mm |
2,400rpm |
2,000rpm |
| 4mm to less than 4.75mm |
2,000rpm |
2,000rpm |
| 4.75mm to less than 6.5mm |
1,800rpm |
1,800rpm |
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