Building a vibrating plate compactor

AI Thread Summary
Building a vibrating plate compactor requires careful consideration of the engine's vibration to prevent damage. A 13 HP engine can create significant vibration, so it is crucial to mount it securely and isolate it from the vibrating components. Using two Vee belts with a floating 90° elbow can help couple the engine to the eccentric without transferring vibration. Determining the ideal weight for the eccentric is essential for effective compaction, and a sketch of the design may aid in visualizing the project. Overall, proper design and mounting techniques are vital to ensure functionality and longevity of the compactor.
stryped
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Thinking of building a vibrating compactor to compact dirt and gravel for a new driveway section. I already have a horizontal shaft 13 horse honsa engine. I have some scrap steel. My question is concerning the exiter/vibrator. I was thinking of mounting 2 pillow block bearings with a pipe. A pulley to spin it, and some sort of weight offset on the shaft. Would would be the best weight to use and how do i determine the ideal amount? Any advice on this project is greatly appreciated!
 
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It is important that you do not vibrate the engine or it will fall apart, I have seen it done. It is also important that you do not apply vibration to the output shaft as that will overload the bearings, I have also seen that done.

If you can use two Vee belts with a floating approximate 90° elbow to couple the static engine to the vibrating eccentric you should not have problems. You just have to work out how, or on what, to mount the engine so it does not vibrate. 13 HP is a lot of vibration. Do you need the massage?

Maybe a sketch of your concept would help.
 
Baluncore said:
It is important that you do not vibrate the engine or it will fall apart, I have seen it done. It is also important that you do not apply vibration to the output shaft as that will overload the bearings, I have also seen that done.

If you can use two Vee belts with a floating approximate 90° elbow to couple the static engine to the vibrating eccentric you should not have problems. You just have to work out how, or on what, to mount the engine so it does not vibrate. 13 HP is a lot of vibration. Do you need the massage?

Maybe a sketch of your concept would help.
Good idea. Any idea what i could use to sketch my idea so as to attach it here? I am noy much of a drawer...
 
Looking at the below parts diagram may give you some help understanding what is involved i a compactor design.

https://www.jackssmallengines.com/jacks-parts-lookup/manufacturer/green-machine/homelite/miscellaneous/hcp80-plate-compactor-ut-06042/eccentric
 
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