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1. Specifications
No. Item Specification
1Model LU-2210N-7 LU-2210W-7 LU-2212N-7 LU-2220N-7 LU-2260N-7 LU-2260W-7
2Model name
(Touch-back unit, auto-lifter device, with lifting device)
3Applications For medium-weight materials, car seats and furniture
4Sewing speed Max. 3,500 rpm (Varies according to sewing conditions).
5Needle Schmetz 134 x 35R, Nm 110 to Nm 160 (Standard Nm 140)
6Thread #4 to #30 #5 to #20
Max. 6 mm for both normal
7 Stitch Length Max. 9 mm for both normal feed stitching and reverse feed stitching feed stitching and reverse feed
stitching
8 Presser foot lift Using hand lifter: 9 mm, Using knee lifter: 15.5 mm (equipped with a reversing device)
9
Stitch length regulating method
Using a dial
10
Stitch length regulating method for 2P
Using a dial
11 Reverse feed stitching Externally mounted air pressure cylinder (with a touch-back switch and hand lever)
12 Thread take-up lever Link type
13 Needle bar stroke 33.8mm
14 Needle gauge
15 Hook
1.6-fold horizontal axis hook 2-fold horizontall axis hook 1.6-fold horizontal axis hook 2-fold horizontall axis hook
(Automatic lubrication hook) (Automatic lubrication hook) (Automatic lubrication hook) (Automatic lubrication hook)
16 Opener
Opener shaft eccentric cam speed reduction system (The opener travels by one stroke while the hook rotates twice).
17 Feed mechanism Using an arc block slider
18 Hook driving system Screw gear
19 Thread trimmer
20 Tension release system Using the push solenoid for actuating together with the thread trimmer
Adjustment of the amount of
21
alternating vertical movement of
Using a dial (peripheral cam)
the walking foot and presser foot
22 Using a timing belt
23 Bobbin winder Built in the arm
24 Lubrication system Automatic lubrication system
25 Oil return flow Circulated with the plunger and felts
26 Lubricating oil JUKI New Defrix Oil No. 1 (Equivalent to ISO VG7)
27 Space under the needle 263.5 mm (Distance from the center of the presser bar to the bottom of the arm)
28 Bed size 517mm x 178mm
29 Automatic lifter Externally mounted pneumatic cylinder
30 Lifting device (DL)
31 2P DIAL unit Pneumatic cylinder sheathing system
32 Needle thread clamp device
33 Weight of machine head Approx. 55 kg Approx. 58 kg
34 Transmission belt HM V belt
35 Motor used SC-510 +M51
36 Motor pulley Engraved mark (outer periphery): 90 / Effective diameter: ø 85mm
37
Hand wheel (Effective diameter)
Effective diameter: ø 76.023mm
38 Air pressure/ 0.5MPa 0.5MPa 0.5Mpa 0.5Mpa
Air consumption 0.736dm3/min (ANR)
1.078dm
3
/min (ANR) 1.377dm
3
/min (ANR)
0.736dm3/min (ANR)
39 Single phase 100V / Three-phase 200V / 425VA
1-needle, high-speed, unison
feed lockstitch machine with
vertical-axis large hook and
automatic thread trimmer
(Needle thread clamp device/
2P DIAL)
Pneumatic cylinder with a built-in type speed controller to control the speed corresponding to the amount
of alternating vertical movement of the walking foot and presser foot
1-needle, high-speed, unison
feed lockstitch machine with
vertical-axis large hook and
automatic thread trimmer
1-needle, high-speed, unison
feed lockstitch machine with
vertical-axis large hook and
automatic thread trimmer
(Specially specified for 2P
DIAL)
2-needle, high-speed, unison
feed lockstitch machine with
vertical-axis large hook and
automatic thread trimmer
6mm•8mm•10mm(Standard)•12mm•20mm∗
Rocks around the hook
(peripheral cam and solenoid)
Rocks around the hook
(groove cam and
air cylinder system)
Rocks around the hook
(peripheral cam and solenoid)
Pneumatic cylinder
sheathing system
(with switch)
∗Needle Gauge:
The gauge from 4 mm up to 36 mm (for LU-2260N-7) or from 4 mm up to 30 mm (for LU-2260W-7) is available with special specifications.
Main shaft and hook driv-
ingshaft driving system
Source voltage/
Power consumption
