LU-1520N-7, 1521N-7 (September, 2003) 2/2
SPECIFICATIONS
Model name
LU-1520N-7
LU-1521N-7
Max. sewing speed 3,000rpm
Max. stitch length 9mm (Normal/Reverse feed)
Needle bar stroke 36mm
Lift of the presser foot By hand: 9mm／Auto: 16mm
Auto-lifter Provided as standard (Pneumatic auto-lifter: AK124B)
Thread take-up Slide type
Alternating vertical movement 1〜6.5mm
Dial for adjustment of alternating vertical movement Provided as standard
Amount of thread remaining
5mm＊
＊It varies depending on the sewing conditions.
Needle thread roll-in device Provided as standard
Bottom-feed micro-adjustment mechanism Provided as standard
Hook Vertical-axis double-capacity hook
Needle (at the time of delivery) 135×17 (Nm160) Nm125〜Nm180 or DP×17(#23) #16〜#24
Thread #30〜#5, B46〜B138, Nm=60/3〜20/3
Needle thread tension box Dual-tension method
Pitch changing method By dial
Bobbin thread winder Built on the machine head
Safety mechanism Provided as standard
Automatic reverse feed function Provided as standard
Lubrication Automatic
Lubricating oil JUKI New Defrix Oil No.2 (equivalent to ISO VG32)
Distance from needle to machine arm 255mm
Bed size 517mm×178mm
Weight of the machine head 49.5kg
Compressed air and air consumption 0.5MPa (5kgf/F)・0.3NR/min
Power requirement
Single-phase 100〜120V, 220〜240V
3-phase 200〜220V, 220〜240V
OPTIONS
GAUGE
Model Part No. Feature
DL21 (F kit) GDL-21000FA0
The DL device can be used to instantaneously maximize the alternate vertical movement amount. This device is useful,
in particular, in processes for sewing products with many multi-layered parts.
The machine is provided with both hand switch and knee switch.
AE-10 (Kit A) GAE-10000AA0
The bobbin thread remaining-amount detecting device warns the operator with a buzzing sound and lamp indication
of the time for bobbin thread replacement. This allows the operator to concentrate on sewing work without concern
for the remaining amount of bobbin thread.
Since the device directly detects the bobbin thread amount remaining, cumbersome setting is no longer required
regardless of the material, thread and process.
Application Part name Part No. Remarks
Gauge for light-weight materials
Feed dog 213-99209 Width 4.5mm, Needle hole φ2.2
Throat plate 213-99605 With no knurl on the top face, groove width 5.0mm
Toothed gauge
Walking foot B1470-562-BA0 Width 13mm
Presser foot B1525-562-BA0 Width 4.5mm, Needle hole φ2.2 (with groove)
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