－３－
2.
Sewing Speed and Rotating
Direction of Pulley
The maximum sewing speed of this machine is 6,000
rpm, and ordinary speed is 5,500 rpm (For the machine
with Puller, the max. speed is 4,500 rpm and ordinary
speed is 4,000 rpm)
When operating new machine, it is recommended for the
durability to operate at the speed of 5,000 rpm for the
initial 200 hours (about 1 month) then operate at the
ordinary speed.
The rotating direction of Pulley ① is clockwise like
Handwheel② as shown in the illustration.
3.
Motor and Belt
Use a clutch motor of 3-phase, 2-pole, 400W(1/2 HP)
and a V-Belt of M-type.
Fix the position of motor so that the centers of Motor
Pulley and Machine Pulley align when Motor Pulley
shifted to the left by treadling Pedal.
rpm of machine
dia. of
Motor
Pulley
50 Hz
60 Hz
75 ㎜
4,000 rpm
80 ㎜
4,200 rpm
85 ㎜
4,500 rpm
90 ㎜
4,000 rpm
5,000 rpm
100 ㎜
4,500 rpm
5,500 rpm
110 ㎜
5,000 rpm
6,000 rpm
120 ㎜
5,500 rpm
130 ㎜
6,000 rpm
※ As the diameters of pulley available on general
market is intervals of 5 mm, the diameters shown in
the above table is the nearest to the calculated value.
②
①
61 ㎜
40°
Type "M" V-Belt
5.5 ㎜
10 ㎜
