Siemens SINAMICS V90 Operating Instructions Manual page 355

Friction angle of the ball screw:
Calculating torques for the ball screw and the coupling when accelerating and decelerating
Angular velocity of the ball screw at V
Maximum rotating velocity:
Angular acceleration of the ball screw:
Ball screw weight:
Moment of inertia of the ball screw:
Moment of inertia of the ball screw + coupling:
Accelerating torque and decelerating torque for the ball screw + coupling:
Preselecting the motor
Based on the calculated torques, if we select the 1FL6062 motor:
n = 2000 rpm, M
n
Then the inertia ratio:
SINAMICS V90, SIMOTICS S-1FL6
Operating Instructions, 04/2020, A5E37208830-008
max
= 4.78 Nm, J = 1.57 × 10
n motor
:
kgm
-3 2
Appendix
A.4 Motor selection
353