JUKI LK1903B-311, Инструкция по эксплуатации

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I. SPECIFICATIONS
Different specifications from those of the LK-1900B only are described.
1. Specifications
1 Sewing speed Max. 2,700 sti/min (Normal speed : 2,500 sti/min)
2 Needle bar stroke 45.7 mm
3 Needle DPX17 #14
4 Lifting lever method Joint use of stepping motor and cam (BR side)
5 Lifting amount of button clamp Max. 11 mm
6 Number of standard patterns 50 kinds
7 Sewing speed limit Can be limited freely to 400 to 2,700 sti/min.
(adjustable in a unit of 100 sti/min)
8 Buttons used Type : Round-shaped flat buttons (4-holed, 2-holed)
Size : ø10 mm to ø18 mm
(Note) 1. For buttons of which diameter is ø16 mm or more, the stan -
dard feed plate is required to be replaced with the feed plate
22B asm.
2. For buttons of which diameter is ø16 mm or more, use the
button clamp jaw lever for large buttons.
Thickness : 1.8 to 3.5 mm
9 Selection of buttons to be fed By vibration system using a piezoelectric feeder
10 Button setting Buttons are loaded from the rear. (Manual loading possible)
11 Button feeding method Horizontal forced feed mechanism
12 Detection of a failure of feeding buttons Provided with two detectors
• One detector detects a button at the section where the button is cor-
rectly positioned.
• Another detector checks whether the button is correctly inserted into
the carrier pin.
13 Driving source for the feeder DC motor (24 Vdc)
14 Automatic button discharging function Provided
15 Independent operation Possible
of the sewing machine
16 Small-lot sewing function Provided
17 Time required to feed a button 0.5 sec/pc.
18 Outer dimension W : 1,200 mm L : 660 mm H : 1,155 mm
(Standard table and stand used)
19 Weight 135 kg (including optional table/stand)
20 Power fluctuation Rated value ±10 % 50/60 Hz
21 Power consumption 350 W
22 Noise - Equivalent continuous emission sound pressure level (L
pA
) at the workstation :
A-weighted value of 81.0 dB; (Includes K
pA
= 2.5 dB); according to ISO
10821- C.6.3 -ISO 11204 GR2 at 2,700 sti/min for the sewing cycle, 1.8s
ON (Pattern : No.4).
- Sound power level (L
WA
) ;
A-weighted value of 83.5 dB; (Includes K
WA
= 2.5 dB); according to ISO
10821- C.6.3 -ISO 3744 GR2 at 2,700 sti/min for the sewing cycle, 1.8s
ON (Pattern : No.4).