Forces - Concerning Spindles with Out of Balance Loads/Help

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SUMMARY

This discussion focuses on analyzing the forces acting on a spindle with out-of-balance loads. The user has conducted tests with four different weights positioned at a fixed point on the spindle, measuring the voltage (pk-pk) output and displacement in microns. The inquiry centers on understanding the forces involved when the spindle is subjected to out-of-balance conditions compared to a balanced state, with tests performed at two different speeds. The user seeks further insights and visual aids to enhance understanding.

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  • Understanding of spindle dynamics and balancing techniques
  • Knowledge of voltage measurement and displacement analysis
  • Familiarity with mechanical forces and their impact on rotating systems
  • Experience with experimental setups for dynamic testing
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Mechanical engineers, vibration analysts, and anyone involved in spindle design or maintenance will benefit from this discussion, particularly those focusing on balancing techniques and dynamic load analysis.

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Essentially I have a spindle with a weight placed at a fixed point. There are four different weights to take into consideration, all are positioned at the same point.

The results I have show what the voltage (pk-pk) output there is, therefore I can see how the out of balance varies depending upon the load I have placed on the spindle at a fixed point.
I also have some results showing the displacement (microns).

I want to know what forces I have to take into account when a spindle has an out of balance, compared to when it has no out of balance load applied to it.

These tests have been conducted at two different speeds.

Any help on this?
 
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