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7Applications
7.16 General rotary drive
168
Lenze · Drive Solution Designer · Manual · DMS 4.2 EN · 12/2013 · TD23
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7.16 General rotary drive
The general rotary drive is the basic and classical form of a drive system. The essential calculations
for this are based on the determination of the mass inertia.
7.16.1 Calculations
For a general rotary drive according to the drawing the following applies:
Dynamic torque
[7-159] Equation 1: Dynamic torque
Total torque
The total torque results from the addition of the dynamic and stationary part. The stationary torque
can for instance be a friction torque.
[7-160] Equation 2: Total torque
Required power
[7-161] Equation 3: Required power
M
dyn
J
L
α=
MM
dyn
M
μ L,
ω
ω
------ -
M
L
++=
PMω Mn
2 π
60
-----------
⋅⋅==
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