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6. SEWING SPEED TABLE
Operate the sewing machine at a speed equal to or lower than the maximum sewing speed selected from
those shown in the table below according to the sewing conditions.
For the PLC-2710-7 and -2760-7, the speed setting according to the amount of the alternating vertical move-
ment of the walking foot and presser foot is automatically carried out
Amount of alternate vertical
movement of the walking foot
and presser foot
Stitch length : 7 mm or less
Stitch length :
More than 7 mm to
9 mm or less
Stitch length :
More than 9 mm to
12 mm or less
3 mm or less 2,500 sti/min 2,000 sti/min 1,800 sti/min
3.25 mm to 4 mm or less 2,200 sti/min 2,000 sti/min 1,800 sti/min
4.25 mm to 5 mm or less 2,000 sti/min 2,000 sti/min 1,800 sti/min
5.25 mm to 9 mm or less 1,800 sti/min 1,800 sti/min 1,800 sti/min
[PLC-2760L]
[PLC-2710, 2710-7, 2760, 2760-7, 2765]
Amount of alternate vertical
movement of the walking foot
and presser foot
Stitch length : 7 mm or less
Stitch length :
More than 7 mm to
9 mm or less
Stitch length :
More than 9 mm to
12 mm or less
3 mm or less 2,000 sti/min 2,000 sti/min 1,800 sti/min
3.25 mm to 4 mm or less 2,000 sti/min 2,000 sti/min 1,800 sti/min
4.25 mm to 5 mm or less 2,000 sti/min 2,000 sti/min 1,800 sti/min
5.25 mm to 9 mm or less 1,800 sti/min 1,800 sti/min 1,800 sti/min
7. MOTOR PULLEY AND V-BELT
Model Sewing speed
Effective
diameter of
handwheel
Number
of poles
Frequency
Number of
revolutions of
motor
Effective
diameter of
motor pulley
V-belt
size
PLC-2710
PLC-2760
PLC-2765
2,500sti/min ø76.0
2
50Hz 2,840 rpm ø65 M52
60Hz 3,400 rpm ø55 M51
4
50Hz 1,430 rpm ø130 M57
60Hz 1,715 rpm ø110 M55
PLC-2760L 2,000sti/min ø76.0
2
50Hz 2,840 rpm ø55 M51
60Hz 3,400 rpm ø45 M50
4
50Hz 1,430 rpm ø105 M54
60Hz 1,715 rpm ø90 M53
Use the M-type belt.
The relation among the motor pulley, the belt length and the sewing speed is as shown in the table below.
* Use a 3-phase, 400 W (1/2 HP) 2P or 4P clutch motor.
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