JUKI TSC-441 - Motor Pulley and Sewing Speed

– 14 –
1) Use an M type V belt.
2) The following table shows the relationship among the motor pulley and the sewing speed.
Model Sewing speed
Effective diameter of
handwheel
Number
of poles
Frequency
Rotational speed
of motor
Effective diameter
of motor pulley
TSN-421
TSC-441
600 sti/min
ø
154 4
50 Hz 1,430 rpm
ø
65
60 Hz 1,715 rpm
ø
50
800 sti/min
50 Hz 1,430 rpm
ø
85
60 Hz 1,715 rpm
ø
70
(Caution) The effective diameter of the motor pulley is obtained by subtracting 5 mm from the outside diameter.
21. MOTOR PULLEY AND SEWING SPEED