Hitachi Vector Control with the SJ300 Inverter

(A-3) Conveyor
s Material
Ja = (W
1
× V
2
)/(4 π × N
a
2
)
s Belt conveyor
Jb = (W
2
× V
2
)/(4 π × N
a
2
)
s Drum for the belt conveyor (2 pcs)
Jc = (1/8) × (W
3
× D1
2
) × 2
s Sprocket
Jd = (1/8) × (W
4
× D2
2
)
Total inertia converted to a motor shaft Σ J
m
;
Σ J
m
= (Ja+Jb+Jc+Jd) × (Na/Nm) + Jg
Jg ; Inertia for the gear portion
Geared motor
Ÿ J
g
[kgm
2
] : gear portion
N
a
[rpm]
N
m
[rpm]
D2
W
3
[kg]
D1
W
4
[kg]
W
2
[kg]
V [m/min]
W
1
[kg]