Post by number21 on Jan 21, 2010 18:16:26 GMT -5
Well a couple months ago I built this tumbler:
forum.rocktumblinghobby.com/index.cgi?board=hmequip&action=display&thread=34420
That one was built mostly on the fly and very quickly done. This time around I broke out the CAD program and designed something nicer. Here is the flaws I wanted to fix. The large 10" pulley hung off the side and the tumbler had to sit on blocks so the pulley did not scrape the floor. I had the motor screwed down with lag bolts and they kept striping out the wood. The old 1/20 hp motor was not grounded. An on/off switch would be nice along with a longer power cord. Last if I needed to change the speed I had to buy a big pulley which cost over 20 bucks, with 2 smaller pulley a speed change can be done for 6-10 dollars. So here she is:
Right side back:
Left side with the top opened. Enough room for 3-4 barrels:
The front side showing the motor and bottom inner pulley arrangement. This time the motor is grounded and the held tightly with nuts and bolts.
The final speed on the tumbler is 32 RPMs. I used the same outdoor patio deck sealer to stain/seal the wood like I did on my chop saw. This tumbler runs real smooth and is not quite as noisy as the clothes dryer. Next thing to do is to redo the barrels, I noticed that one suggestion was to use rubber mat from a gold sluice to line the barrels. So after that I think I can move onto building a flat lap.
Brian.
forum.rocktumblinghobby.com/index.cgi?board=hmequip&action=display&thread=34420
That one was built mostly on the fly and very quickly done. This time around I broke out the CAD program and designed something nicer. Here is the flaws I wanted to fix. The large 10" pulley hung off the side and the tumbler had to sit on blocks so the pulley did not scrape the floor. I had the motor screwed down with lag bolts and they kept striping out the wood. The old 1/20 hp motor was not grounded. An on/off switch would be nice along with a longer power cord. Last if I needed to change the speed I had to buy a big pulley which cost over 20 bucks, with 2 smaller pulley a speed change can be done for 6-10 dollars. So here she is:
Right side back:
Left side with the top opened. Enough room for 3-4 barrels:
The front side showing the motor and bottom inner pulley arrangement. This time the motor is grounded and the held tightly with nuts and bolts.
The final speed on the tumbler is 32 RPMs. I used the same outdoor patio deck sealer to stain/seal the wood like I did on my chop saw. This tumbler runs real smooth and is not quite as noisy as the clothes dryer. Next thing to do is to redo the barrels, I noticed that one suggestion was to use rubber mat from a gold sluice to line the barrels. So after that I think I can move onto building a flat lap.
Brian.
