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No. Item Application
1 Model LU-2818-7 LU-2868-7
2 Model name 1-needle, unison-feed, lockstitch
machine with automatic thread trimmer
(with 2.7-fold vertical axis hook/long
pitch type)
2-needle, unison-feed, lockstitch
machine with automatic thread trimmer
(with 2.7-fold vertical axis hook/long
pitch type)
3 Application Medium- to heavy-weight materials, car seat, furniture
4 Sewing speed Max. 3,000 sti/min
(See
"6. SEWING SPEED TABLE"
p.45
.)
*1
Max. 2,700 sti/min
(See
"6. SEWING SPEED TABLE"
p.45
.)
*1
5 Needle GROZ-BECKERT 135 x 17 (Nm 125 to Nm 180) (Standard : Nm 160)
6 Applicable thread size for sewing #30 to #5
7 Applicable thread size to be cut #30 to #5
8 Stitch length Max. 12 mm (forward/reverse feed)
9 Stitch length dial 2-pitch dial
10 Presser foot lift Hand lifter : 10 mm
Automatic presser foot lifter : 20 mm
11 Stitch length adjusting
mechanism
By dial
12 Reverse stitch adjusting method Air cylinder type (with touch-back switch)
13 Thread take-up Link thread take-up
14 Needle bar stroke 40 mm
15 Amount of the alternate vertical
movement
1 mm to 9 mm (Alternate vertical dial adjustment type)
16 Hook Full-rotary vertical-axis 2.7-fold hook (Latch type)
17 Feed mechanism Box feed
18 Top and bottom feed actuation
mechanism
Timing belt
19 Thread trimming method Cam-driven scissors type
20 Lubrication Automatic lubrication by oil tank (with oil gauge)
21 Lubricating oil JUKI New Defrix Oil No. 1 (equivalent to ISO standard VG7)
or JUKI MACHINE OIL No. 7
22 Bed size 643 mm × 178 mm
23 Space under the arm 347 mm × 127 mm
24 Hand wheel size Outer diameter : ø123 mm
25 Motor/Control box SC-922B
26 Machine head weight 66 kg 68.5 kg
27 Rated power consumption 120 VA 110 VA
28 Noise -
Equivalent continuous emission sound
pressure level (L
pA
) at the workstation:
A-weighted value of 84.0 dB; (Includes
K
pA
= 2.5 dB); according to ISO 10821-
C.6.2 - ISO 11204 GR2 at 2,750 sti/
min.
-
Sound power level (L
WA
);
A-weighted value of 84.0 dB; (Includes
K
WA
= 2.5 dB); according to ISO 10821-
C.6.2 - ISO 3744 GR2 at 3,000 sti/min.
-
Equivalent continuous emission sound
pressure level (L
pA
) at the workstation:
A-weighted value of 84.0 dB; (Includes
K
pA
= 2.5 dB); according to ISO 10821-
C.6.2 - ISO 11204 GR2 at 2,600 sti/
min.
-
Sound power level (L
WA
);
A-weighted value of 84.0 dB; (Includes
K
WA
= 2.5 dB); according to ISO 10821-
C.6.2 - ISO 3744 GR2 at 2,700 sti/min.
*1 The speed setting according to the amount of the alternating vertical movement of the walking foot and presser
foot is automatically carried out.
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