Siemens simovert masterdrives

Engineering Information 06.2005
6SE7087-6QX70 (Version AE) Siemens AG
11-8 Compendium Motion Control SIMOVERT MASTERDRIVES
m
Motor
Gear
Guide
Spindle
v, a
Spindle nut
h
D
Sp
Sp
M
n
Sp
Sp
Fig. 11-5 Horizontal spindle drive
♦ Spindle speed [rpm]
n
v
h
Sp
Sp
=
⋅ 60
v
Speed [m/s]
h
Sp
Spindle pitch [m]
♦ Angle of pitch of spindle [wheel]
α
π
SW
Sp
Sp
h
D
=
⋅
arctan( )
D
Sp
Spindle diameter [m]
♦ Frictional angle of spindle [wheel]
ρ
α
η
α=−arctan(
tan( )
)
SW
Sp
SW
η
Sp
Spindle efficiency
♦ Angular acceleration and deceleration of the spindle
[s
-2
]
α
π
bvSp bv
Sp
a
h
,,
=⋅
⋅2
♦ Frictional force of guide [N]
Fmgw
WF
=⋅⋅
w
F
Specific travel resistance
Horizontal spindle
drive