Non-Chemical Homemade ball mill for button pulverizing

[plasmasmelter]

We are making a small ball mill from parts we have laying around
to pulverize ore samples. Thought I would share some photos of it under
construction.

PS

 

[Anonymous]

You'll need one heck of a reducing gear if you are using that pulley.Also how will you load and unload material?

 

[plasmasmelter]

You'll need one heck of a reducing gear if you are using that pulley.Also how will you load and unload material?

We are using a variable speed motor to control rpms. One end is fixed (motor end) and the other
is easily removed by sliding the entire bearing and end cap assembly along slots cut into the i-beam.
The removable end has a face o-ring seal to keep material from leaking out around the barrel/end plate
interface.

PS

 

[goldsilverpro]

Proper speed in RPM.

http://www.goldrefiningforum.com/phpBB3/viewtopic.php?f=40&t=3107&p=27909&hilit=ball+mill+speed#p27909

 

[plasmasmelter]

GSP,

Thanks for that info. very useful. We estimated it to be
between 1-2 revolutions per second based on feel.
Are there advantages to milling with water instead
of dry? We are using it to crush low grade metallic buttons.

Thanks again,
PS

 

[plasmasmelter]

I apologize for posing this in the wrong section.