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1
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1 Sewing area X (lateral) direction 100 mm Y (longitudinal) direction 60 mm
2 Max. sewing speed 2500 sti/min* (When sewing pitches are less than 3 mm.)
3 Stitch length 0.1 to 10.0 mm (adjustable in 0.1 mm step)
4
Feed motion of work clamp
foot
Intermittent feed (2-shaft drive by stepping motor)
5 Needle bar stroke 41.2 mm
6 Needle DP × 5, DP × 17
7 Lift of work clamp foot 18 mm (standard) Max. 22 mm (Pneumatic type : max. 25 mm)
8 Hook 2-fold semi-rotary hook (oil wick lubrication)
9
Intermediate presser
stroke
4 mm (standard)
(Adjustable in the range of 0 and 4 to 10 mm) (LK-1920 only)
10 Lift of intermediate presser 18 mm (LK-1920 only)
11 Lubricating oil New Defrix Oil No. 2 (supplied by oiler)
12 Data recording
Memory in MAIN PCB (80 Kbyte)
EEP-ROM (32 Kbyte)
13
Enlarging / Reducing facility
20 % to 200 % (1% step) in X direction and Y direction respectively
14
Enlarging / Reducing
method
Pattern enlargement / reduction can be done by increasing/decreasing the stitch length
15
Temporary stop function
Used to stop machine operation during a stitching cycle.
16
Thread breakage detection
function
Used to detect needle thread breakage to automatically stop machine.
17
Max. sewing speed limita-
tion
200 to 2,500 sti/min* (100 sti/min steps)
18 Pattern selection
Standard patterns : 51
User patterns : 1 to 200
Old user patterns : 1 to 99
Media patterns : 1 to 999
19 Bobbin thread counter UP/DOWN type (0 to 9999)
20 Sewing machine motor Servo motor
21 Dimensions
W : 1200 mm L : 700 mm H : 1160 mm
(Use the standard table and stand.)
22 Mass (gross mass) Machine head : 46 kg Control box : 5 kg
23
Power consumption
380 VA (Operation for 35 seconds at 2,500 sti/min; at rest for two seconds)
24
Operating temperature
range
5 ˚C to 35 ˚C
25
Operating humidity range
35 % to 85 % (No dew condensation)
26 Line voltage Rated voltage ±10% 50/60 Hz
27 Air pressure used 0.5 to 0.55 MPa (Only for the pneumatic type)
28 Air consumption 1.3 ℓ/min (Only for the pneumatic type)
29 Noise
- Equivalent continuous emission sound pressure level (L
pA
) at the workstation :
A-weighted value of 77.5 dB; (Includes K
pA
= 2.5 dB); according to ISO 10821- C.6.3
-ISO 11204 GR2 at 2,500 sti/min for the sewing cycle, 1.0s ON (Pattern : No.1).
- Sound power level (L
WA
) ;
A-weighted value of 77.5 dB; (Includes K
WA
= 2.5 dB); according to ISO 10821- C.6.3
-ISO 3744 GR2 at 2,500 sti/min for the sewing cycle, 1.0s ON (Pattern : No.1).
* Reduce the max. sewing speed in accordance with the sewing conditions.
1. SPECIFICATIONS
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