Specifications - JUKI LK-1903B Instruction Manual

I. SPECIFICATIONS
Different specifications from those of the LK-1900B only are described.

1. Specifications

1 Sewing speed
2 Needle bar stroke
3 Needle
4 Lifting lever method
5 Lifting amount of button clamp
6 Number of standard patterns
7 Sewing speed limit
8 Buttons used
9 Selection of buttons to be fed
10 Button setting
11 Button feeding method
12 Detection of a failure of feeding buttons
13 Driving source for the feeder
14 Automatic button discharging function
15 Independent operation
of the sewing machine
16 Small-lot sewing function
17 Time required to feed a button
18 Outer dimension
19 Weight
20 Power fluctuation
21 Power consumption
22 Noise
Max. 2,700 sti/min (Normal speed : 2,500 sti/min)
45.7 mm
DPX17 #14
Joint use of stepping motor and cam (BR side)
Max. 11 mm
50 kinds
Can be limited freely to 400 to 2,700 sti/min.
(adjustable in a unit of 100 sti/min)
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
By vibration system using a piezoelectric feeder
Buttons are loaded from the rear. (Manual loading possible)
Horizontal forced feed mechanism
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.
DC motor (24 Vdc)
Provided
Possible
Provided
0.5 sec/pc.
W : 1,200 mm L : 660 mm H : 1,155 mm
(Standard table and stand used)
135 kg (including optional table/stand)
Rated value ±10 % 50/60 Hz
350 W
- Equivalent continuous emission sound pressure level (L
A-weighted value of 81.0 dB; (Includes K
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
10821- C.6.3 -ISO 3744 GR2 at 2,700 sti/min for the sewing cycle, 1.8s
ON (Pattern : No.4).
1
− −
= 2.5 dB); according to ISO
pA
) ;
= 2.5 dB); according to ISO
WA
) at the workstation :
pA