Engineering Information 06.2005
6SE7087-6QX70 (Version AE) Siemens AG
11-26 Compendium Motion Control SIMOVERT MASTERDRIVES
tt
t
T´
bv
tot
v
v
max
Area corresponds to travel distance
Forwards Reverse
t
v
max
t
k
t
p
Fig. 11-13 Travel curve for forwards and reverse travel
It is sufficient to only consider forwards travel because the conditions
are the same for forwards and reverse travel.
♦ The new cycle time is therefore:
T
T
′=
2
♦ For the remaining values of the travel curve, the following is
obtained:
tt
v
a
s
bv
== = =
max
max
.
.
.
16
64
025
t
sv
t
v
t
v
s
k
b
v
=
−⋅−⋅
=
−⋅ −⋅
=
max max
max
.
.
.
.
.
22
216
025
2
16
025
2
16
1
tttt s
tot b k v
=++= ++ =025 1 025 15...
tTt s
ptot
=′− = − =35 15 2..
2. Travel curve