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32. MOTOR PULLEY AND V-BELT (LU-2810, LU-2860)
The M-type belt should be used.
The relation between the motor pulley and belt length and the sewing speed is as shown below.
Sewing speed
Effective diameter
of handwheel
Number
of poles
Frequency
Number of
revolutions of motor
Effective diameter of
motor pulley
V-belt size
2,500 sti/min Φ 76 mm 2
50 Hz 2,840 rpm Φ 65 mm 42 inch
60 Hz 3,400 rpm Φ 55 mm 41 inch
The 3-phase, 400 W, 2P clutch motor (1/2 HP) should be used.
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