Table of Contents
Advertisement
4.1.1
Torque Based Dimensioning
Output Data
Torques
during the load phases
during the pause time
and output speeds
Emergency stop/momentary peak torque
at output speed
and duration
Equation 30.2
Equation 30.3
Values for T
Equation 30.4
Calculation of the average output speed
n
out av =
Equation 30.6
Permissible maximum input speed
n
= n
· i ≤ Maximum input speed (see rating table)
in max
out max
Equation 30.8
Load limit 2, T
R
T
≤ T
max
R
Equation 30.11
Values for L
see table 32.1
n
30
T
... T
[Nm]
1
n
t
... t
[s]
1
n
t
[s]
p
n
... n
[rpm]
1
n
T
[Nm]
k
n
[rpm]
k
t
[s]
k
Calculation of the average output torque T
|n
· T
| · t
3
3
1
1
1
T
=
av
|n
| · t
1
see rating tables
A
T
≤ T
av
A
|n
| · t
+ |n
| · t
+ ... + |n
| · t
1
1
2
2
n
n
t
+ t
+ ... + t
+ t
1
2
n
p
Equation 30.9
Load limit 3, T
T
k
· Rated input speed ·
L
= L
50
n
Illustration 30.1
n
1
t
1
T
1
Load limit 1,
av
+ |n
· T
| · t
+ ... + |n
· T
| · t
3
3
n
n
n
2
2
2
+ |n
| · t
+ ... + |n
| · t
n
n
1
2
2
No
Equation 30.5
Equation 30.7
Equation 30.10
M
≤ T
M
Operating life
(
)
Rated torque T
3
N
n
T
in av
av
n
2
n
n
1
3
n
p
t
t
t
t
2
p
3
1
T
1
T
2
T
3
Time
Selection of a bigger size
Average input speed
n
= i · n
in av
out av
Permissible average input speed
n
≤ Limit for average input speed
in av
(see rating table)
Allowable number of momentary peak torques
4
10
N
=
n
k max
2 ·
· i · t
k
k
60
1021387
Time
< 10
4
12/2018
V02
Advertisement
Table of Contents
