Siemens Simovert Masterdrives Compendium page 910

Engineering Information
Vertical spindle
drive
11-10
D
h
Sp
Spindle nut
Spindle
n , M
Sp Sp
Fig. 11-6 Vertical spindle drive
♦ n α ρ α
, , ,
Sp SW b v Sp ,
♦ F
, M see "Horizontal spindle drive"
b v , b v Sp ,
♦ Lifting force [ N ]
= ⋅
F m g
H
♦ Load torque at the spindle [ Nm ] :
= +
M M (
Sp up b v Sp ,
=
M M
Sp down b v Sp ,
M , F has to be applied with the correct sign (acceleration up,
b Sp ,v b ,v
deceleration down = +, deceleration up, acceleration down = - )
If the deceleration is equal to the acceleration, the load torque is at a
maximum during the upwards acceleration phase.
Sp
v, a
m
Guide
Gear
Motor
see "Horizontal spindle drive"
+ ⋅ α + ⋅ ρ
F F ) tan(
b v , H SW
+ + ⋅ α
( F F ) tan(
b v , H SW
6SE7087-6QX70 (Version AE)
Compendium Motion Control
06.2005
D
Sp
+ ⋅
sign F ( F ))
b v , H
2
D
Sp
− ⋅ ρ + ⋅
sign F ( F ))
b v , H
2
Siemens AG
SIMOVERT MASTERDRIVES