Siemens simovert masterdrives, Справочник

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Engineering Information 06.2005
6SE7087-6QX70 (Version AE) Siemens AG
11-36
Compendium Motion Control SIMOVERT MASTERDRIVES
♦
Max. speed under load at the pinion
n
v
D
rpm
load max
max
.
.
.
=
⋅
⋅
=
⋅
⋅
=
60 15 60
0 1
286 5
π π
Here, a gear transmission ratio of i=10 is selected. A synchronous
servomotor with a rated speed of 3000 rpm can therefore be used.
n i n rpm
Mot load max max
.
= ⋅ = ⋅ =
10 286 5 2865
♦
Lifting torque
M m g
D
Nm
H
= ⋅ ⋅ = ⋅ ⋅ =
2
200 9 81
0 1
2
98 1 .
.
.
♦
Acceleration and deceleration torque for the load
α
load
a
D
s
= ⋅ = ⋅ =
−
max
.
.
2
2 5
2
0 1
50
2
J m
D
kgm
load
= ⋅ = ⋅ =
( ) (
.
) .
2
200
0 1
2
0 5
2 2 2
M J Nm
b v load load load ,
.
= ⋅ = ⋅ = α
0 5 50 25
♦
Max. torque on the output side of the gear unit
M M M Nm
load b load H
mech
max
( ) ( . )
.
.
= + ⋅ = + ⋅ =
1
25 98 1
1
0 9
136 8
η
A SPG140-M1 planetary gear unit for mounting on 1FT6 motors is
selected with
M Nm
max
=
400 when i=10
J kgm
G
*
.
=
0 001
2
Moment of inertia referred to the 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 50 10 0 5
♦
Positioning accuracy
∆
s
D
mm
Gear
G =
⋅ ⋅
=
⋅ ⋅ =
°
π α π
360
60
0 1
360
3
60
0 0436
.
.
i.e.
±
0 0218 . mm
∆
s
D
i z
mm
Encoder
= ⋅
⋅
=
⋅
⋅
= ±
π π
0 1
10 4096
0 0077
,
. , with an 8-pole resolver
∆ ∆ ∆ ∆
s s s s
tot mech
Gear
Encoder
= + +
= + + = <
0 1 0 0218 0 0077 0 1295 0 2 . . . . . mm
The accuracy requirement is thus satisfied.
3. Max. speed under
load, max. torque
under load,
selection of gear
unit