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Forum topic by willhime posted 09-14-2016 07:22 PM 367 views 1 time favorited 2 replies Add to Favorites Watch
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willhime

81 posts in 1006 days


09-14-2016 07:22 PM

Topic tags/keywords: resource jig tip question trick sander sanding

Beginning to piece together my parts for a V-Drum Sander build, I’m shooting for a 25” wide sanding capacity. I picked up a 220V 5hp 3450RPM motor for $20. I’m making the drum axel diameter 1”. Here are a few questions I have to get me started:

For the drive rod, I’m going 315 stainless steel 1×36”.
Should I get a smooth rod or a keyed slot rod?
I originally was going to get a smooth rod but wouldn’t that mean that I’d have to file certain parts flat for set screws?
If I get a keyed slot rod, would the slot comprimise the rigidity of the entire shaft?
Should I get a 2 step pulley so I can sand at 1725 and 3450 ?

I’ll probably have more questions as I go but I’m in the designing stages right now

-- Burn your fire for no witness


2 replies so far

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rick1955

258 posts in 898 days


#1 posted 10-24-2016 04:19 AM

Look up flatmaster for the specs. They use a polycarbonatr tube for the drum. They recommend a 1/2 hp for the motor on the 24” model. The drum turns at 1725 rpm. All the info is out there if you know how to look. Why are you using stainless?
http://stockroomsupply.ca/shop/drum-sanders/30-flatmaster-2344.html

It’s already been designed…

-- Working smarter with less tools is a true crafts person...

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rick1955

258 posts in 898 days


#2 posted 10-24-2016 11:27 PM

Get a plain steel slotted shaft. Stainless is a waste of money. Price your version then compare with buying the flatmaster version Buying theirs will most likely be cheaper because they have the bugs worked out.

-- Working smarter with less tools is a true crafts person...

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