Order data
Rao i Geared motor
Example 3.267 g500-H140 m850-S120/S3960
Example 3.661 g500-S130 m850-S120/S3960
Example 4.889 g500-B240 m850-S120/S3960
Operang modes S2, S3, and S6
Calculaon of the required drive power
Calculaon Result Unit
Output torque M
R
≥ M
L
/ (k
L
x k
H
) M
R
= Nm
Output speed n
R
≥ (n
L
x k
M
) / (k
E
x k
rated
) n
R
=
rpm
Drive power P
R
≥ M
R
x n
R
/ 9549 p
R
=
kW
Check geared servo motor and determine from the selecon table
Check Selecon Unit
Drive power P
1
≥ P
R
p
1
=
kW
Output torque M
2
≥ M
L
M
2
= Nm
Output speed n
2
≥ n
L
n
2
=
rpm
Load capacity of the geared motor c ≥ k
c ≥ k
I
c =
Short-me maximum torque
no alternang load M
2,max
≥ M
L,max
M
2,max
= Nm
at alternang load M
2,max
x 1.5 ≥ M
L,max
M
2,max
= Nm
Rao i =
4Selecon tables ^ 64
Check servo motor based on the motor torque characterisc
Gearbox eciency η
G
= η
c1
- (c - 1) x 0.01 η
G
=
All operang points (● )
i x n
L
M
L
/ (i x η
G
)
below the maximum torque
characterisc of the servo motor/
inverter combinaon here, M
L,max
must
be considered
Thermally eecve operang point (○ ) (i x n
L
x k
M
) / (k
E
x k
rated
)
M
L
/ (k
L
x k
H
x i x η
G
)
below the S1 torque characterisc of
the servo motor
4Torque characteriscs ^ 146
Order data
Rao i Geared motor
Example 3.267 g500-H140 m850-S120/S3960
Example 3.661 g500-S130 m850-S120/S3960
Example 4.889 g500-B240 m850-S120/S3960
Informaon on project planning
Drive dimensioning
29