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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 1FL2306-2AC motor:
n
= 2000 rpm, M
n
Then the inertia ratio:
Wherein, J
Calculating the motor torques during the constant motion phase
Calculating the motor torques when accelerating and decelerating
Accelerating torque and decelerating torque for the motor:
SINAMICS S200 PROFINET servo drive system with SIMOTICS S-1FL2
Operating Instructions, 11/2023, FW V6.3, A5E51646752B AB
= 4.78 Nm, J
n
motor
is the moment of inertia of the workpiece:
W
= 1.326 × 10
kgm
-3
2
Appendix
A.5 Motor selection
903
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