JUKI DNU-1541S User Manual

20. SEWING SPEED TABLE
Amount of alternate vertical movement of
the walking foot and presser foot
Less than 4 mm
4 mm to less than 6.5 mm
Stitch length : 6 mm or less
2,000 sti/min
1,600 sti/min
Stitch length : More than 6 mm and 9 mm or less
1,600 sti/min
1,600 sti/min
Amount of alternate vertical movement of
the walking foot and presser foot
Less than 3 mm
3 mm to less than 4 mm
4 mm to less than 6.5 mm
Stitch length : 6 mm or less
2,500 sti/min
2,000 sti/min
1,600 sti/min
Stitch length : More than 6 mm and 9 mm or less
2,000 sti/min
2,000 sti/min
1,600 sti/min
• DNU-1541.DNU-1541S
• DNU-1541H
The maximum sewing speed has been specified in accordance with sewing conditions as shown in the table below.
Set the maximum sewing speed appropriately in accordance with the sewing conditions given taking care not to exceed
the corresponding specified value.
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21.
MOTOR PULLEY AND V BELT
For the motor, use a 2P or 4P clutch motor of 3-phase 400W (1/2 HP).
Size of
V belt
M 44
M 43
M 47
M 46
M 43
M 42
M 46
M 45
Model
DNU-1541
DNU-1541S
DNU-1541H
Frequency
50 Hz
60 Hz
50 Hz
60 Hz
50 Hz
60 Hz
50 Hz
60 Hz
Sewing speed
2500 sti/min
2000 sti/min
Effective diameter
of handwheel
ø
93.3 mm
ø
93.3 mm
Rotational
speed of motor
2840 rpm
3400 rpm
1430 rpm
1715 rpm
2840 rpm
3400 rpm
1430 rpm
1715 rpm
Effective diameter
of motor pulley
ø
80
ø
65
ø
160
ø
135
ø
65
ø
55
ø
130
ø
110
Number
of poles
2
4
2
4
Use an M type V belt.
The following table shows the relationship among the motor pulley, belt length and the sewing speed.
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JUKI DNU-1541S Specifications

General

Machine Type	Single Needle Lockstitch
Max Stitch Length	9 mm
Presser Foot Lift by Hand	9 mm
Presser Foot Lift by Knee	16 mm
Lubrication	Automatic
Max Sewing Speed	2500 stitches per minute
Hook	Full Rotary Hook
Bed Size	477mm(L)×177mm(W)