Variable amplitude for shaker table

AI Thread Summary
To achieve variable amplitude on a shaker table, modifications to the design are necessary since the current setup only allows for fixed amplitude. Suggestions include either adjusting the mass of the spinning component or changing the distance between the mass and the motor shaft. This approach will enable better control over the amplitude for testing various distances. The ability to modulate these factors is crucial for achieving the desired range of amplitudes. Implementing these changes can enhance the functionality of the shaker table significantly.
ftrflyr
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Hi All,

I built this shaker table: and I am now trying to change the amplitude so that it is no longer fixed but instead variable. The frequency I can change but the amplitude is fixed given this design.

Does anyone have any suggestions on how to be able to change the amplitude so I can test for a range distances?

thanks!
 
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ftrflyr said:
Hi All,

I built this shaker table: and I am now trying to change the amplitude so that it is no longer fixed but instead variable. The frequency I can change but the amplitude is fixed given this design.

Does anyone have any suggestions on how to be able to change the amplitude so I can test for a range distances?

thanks!


Since the amplitude of the vibration is crudely controlled by the spinning mass, you need to either modulate the mass or the distance the mass is separated from the motor shaft.
 
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