Siemens simovert masterdrives, Справочник

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06.2005 Engineering Information
Siemens AG 6SE7087-6QX70 (Version AE)
SIMOVERT MASTERDRIVES Compendium Motion Control
11-27
♦
Max. speed under load at the drive wheel
n
v
D
rpm
Load max
max
.
.
.
=
⋅
⋅
=
⋅
⋅
=
60 16 60
0 14
218 27
π π
A gear transmission ratio of i=10 is selected here. A synchronous
servomotor can thus be used with a rated speed of
3000 rpm.
n i n rpm
Mot Load max max
. .
= ⋅ = ⋅ =
10 218 27 2182 7
♦
Resistance torque
M m g w
D
Nm
W f
= ⋅ ⋅ ⋅ = ⋅ ⋅ ⋅ =
2
400 9 81 0 1
0 14
2
27 47 . .
.
.
♦
Acceleration and deceleration torque for the load
α
load
a
D
s
= ⋅ = ⋅ =
−
max
.
.
.
2
6 4
2
0 14
914
2
J m
D
kgm
load
= ⋅
⎛
⎝⎜
⎞
⎠⎟
= ⋅
⎛
⎝⎜
⎞
⎠⎟
=
2
400
0 14
2
196
2 2
2
.
.
M J Nm
b v load load load ,
. . .
= ⋅ = ⋅ = α
196 914 179 2
♦
Max. torque on the output side of the gear unit
M M M
load b load W
mech
max
( )
= + ⋅
1
η
= + ⋅ =
( . . )
.
. 179 2 27 47
1
0 9
229 6 Nm
An SPG140-M1 planetary gear unit for mounting on 1FT6 motors is
therefore used where
M Nm
max
=
400 at i=10
J kgm
G
*
.
=
0 001
2
moment of inertia referred to motor
η
G
=
0 95 . gear unit efficiency
α
G
= ′
3 torsional play
♦
Acceleration and deceleration torque for the gear unit
M J i Nm
b v G G load ,
*
. . .
= ⋅ ⋅ = ⋅ ⋅ = α
0 001 914 10 0 914
3. Max. speed under
load, max. load
torque, selection
of the gear unit