Compliance – Rockwell Automation Motion Analyzer Software User Manual
Page 235
Rockwell Automation Publication MOTION-UM004B-EN-P - October 2012
235
Understanding Your System Solution
Chapter 3
3.2.2.4.1.1.3. Compliance
Choosing Compliance enables the following additional fields, in addition to the
Rigid coupling fields.
Figure 173 - Compliance Coupling
Table 137 - Compliance Coupling Options (refer to
Figure 174 - Stiffness Calculator
Options
Description
Damping Ratio
Enter a system damping ratio. The damping ratio provides a means of expressing the level
of damping in a system relative to critical damping.
Stiffness
The Stiffness entry is useful when Natural Frequency is not known, but stiffness is.
Stiffness Calculator
Click Stiffness to launch the stiffness calculator and calculate stiffness from Shear Modulus,
diameter and length.
Natural Frequency
Simulates a resonance between load and motor (0 = infinitely stiff).
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