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Building a drum/disc sander #5: Table assembly

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Blog entry by WoodenSoldier posted 04-06-2012 04:55 AM 2252 reads 2 times favorited 3 comments Add to Favorites Watch
« Part 4: Gathering materials, making parts, prototyping Part 5 of Building a drum/disc sander series Part 6: Frame work 1 »

Still working on the drum sander table. Coming along well, though I’ve broken a few taps and bits requiring me to scrap a couple of parts.
So the table is two pieces of 3/4” MDF laminated together. I glued T-nuts into the sides to hold the side bars.
IMG_0634

One end of the table has a mechanism to adjust the tension on the conveyor belt.
IMG_0641

The side bars of the table are made from 3/8×1.5” aluminum bar stock. I machined the slot out using an end mill.
IMG_0643

The tension is adjusted by a screw on the end that will pull the conveyor pulley backwards.
IMG_0659
IMG_0658

I also machined a plate to hold the conveyor motor on the other side.
IMG_0642

Here is the motor hooked up to to the pulley. This is before I found the right sized bushing to fit on the motor shaft so it looks a little crooked. I bought a new bushing from McMaster Carr that fits much better.
IMG_0653

Here is the table mostly complete. The motor is strong but it runs a little slow, about 1 FPM.
IMG_0660

I punched out a couple brackets from some angle iron this afternoon. 4 of these pieces will be mounted to the side of the table and will raise the table with threaded rods.
IMG_0661

I may work on the frame this weekend. I haven’t decided on the frame design yet. I’m trying to make sure that whatever I choose, it’s not too difficult to change the belt or make adjustments.

-- Create something everyday.



3 comments so far

View HalDougherty's profile

HalDougherty

1820 posts in 1961 days


#1 posted 04-06-2012 11:44 AM

Your sander is going to rival any commercial drum sander available.

-- Hal, Tennessee http://www.first285.com

View SPalm's profile

SPalm

4905 posts in 2606 days


#2 posted 04-06-2012 11:58 AM

Sweet. I love it.
Good for you.

Steve

-- -- I'm no rocket surgeon

View BTimmons's profile

BTimmons

2165 posts in 1209 days


#3 posted 04-06-2012 05:49 PM

Not many drum sanders I’ve seen have the conveyor belt option. That’s going to be a really nice rig to use once you’re done with it!

-- Brian Timmons - http://www.BigTWoodworks.com

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