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Output Data
T
= 319 Nm ≤ T
av
Calculation of the average output speed
= 7 rpm · 0.3 s + 14 rpm · 3 s + 7 rpm · 0.4 s =12.0 rpm
n
out av
0.3 s + 3 s + 0.4 s + 0.2 s
Permissible maximum input speed
n
= 14 rpm · 120 = 1680 rpm ≤ 4000 rpm
in max
Load limit 2, T
R
T
= 400 Nm ≤ T
= 617 Nm
max
R
HFUC-40-120-2A-GR:
1019659
11/2014
T
= 400 Nm
1
= 320 Nm
T
2
T
= 200 Nm
3
T
= 500 Nm
k
Ratio i = 120
Operating life L
50
calculation of the average output torque Tav
3
7 rpm · (400 Nm)
3
· 0.3 s + 14 rpm · (320 Nm)
T
=
av
7 rpm · 0.3 s + 14 rpm · 3 s + 7 rpm · 0.4 s
= 451 Nm
A
T
= 500 Nm ≤ T
k
= 35000 h · 2000 rpm ·
L
50
1440 rpm
t
= 0.3 s
n
=
7 rpm
1
1
t
= 3.0 s
n
= 14 rpm
2
2
t
= 0.4 s
n
=
7 rpm
3
3
t
= 0.15 s
n
=
14 rpm
k
k
t
= 0.2 s
n
=
0 rpm
p
p
= 30000 h (required)
Load limit 1,
3
· 3 s + 7 rpm · (200 Nm)
Load limit 3, T
M
= 1180 Nm
M
Operating life
(
)
294 Nm
3
319 Nm
3
· 0.4 s
Selected size
HFUC-40-120-2A-GR
Average input speed
n
= 120 · 12.0 rpm = 1440 rpm
in av
Permissible average input speed
n
= 1440 rpm ≤ 3000 rpm
in av
Allowable number of
momentary peak torques
10
4
N
=
k max
14 · 120
2 ·
· 0.15
60
L
= 38054 h > 30000 h
50
= 1190 < 10
4
19
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