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Dave's Wide Drum Sander Build. #12: Missed out on the machine shop, so far...

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Blog entry by dbhost posted 05-29-2012 07:23 PM 1506 reads 1 time favorited 5 comments Add to Favorites Watch
« Part 11: Off to the machine shop... And the scrap bin. Part 12 of Dave's Wide Drum Sander Build. series no next part

Okay, I should have gone to the machine shop on Friday, but I got more than a little busy, and they were busy on Monday, so….

What little bit of shop, or shop related time I could come up with, I glued up the blanks for the end blocks, okay actually this one will likely be a center block. I’ve got more digging to do in the scrap pile…

I was able to locate the link belt, and get everything connected / test fitted over the weekend. Once the drive pulley was installed, along with the pillow blocks, I determined the max width of my sanding drum to be 30” while still allowing for some side to side slop on the drum assembly.

I have been reviewing other shop built drum sander designs, and the most common seems to be lap jointed. Which would be easy enough, but as I may have mentioned previously, my shop builds serve two purposes.

Purpose #1. And while this one is important, it is just here because it is the obvious, but the first purpose is to improve my shop.

Purpose #2, and FAR more important, is to improve my woodworking skills. I already have lap joinery, even pinned lap joinery down pat. I need work with M&T, so, well you guessed it…

I am planning on a M&T base. / frame.

The design is alarmingly simple,

I have LOTS of existing examples, but I am planning on something similar to THIS 16 incher, but with obviously a wider PVC based drum, eased edges, and M&T joinery…

Off the bat I need a couple of things to happen before I dive into this though…

#1. 2x stock to fully acclimate in my shop. #2. Get some free time that I can use on MY projects, instead of my wife’s ideas of how I should spend my time… (I am REALLY hating all the paint and drywall I have been doing!)

So if you are following along, here’s the score so far…

#1. I have the following materials prepped, and ready to install. 1.5HP 3450 RPM Compressor Duty motor. The reviews complain about start up torque. They are nuts. Mine is more than ample… 5/8” x 36” smooth steel rod. 5/8” bore pillow block bearings with grease fittings. 2” and 6” 5/8” bore V groove pulleys. Link belt. Safety motor power switch. 12 ga extension cord with bad female end (I don’t need the female end anyway…). 1 sheet 3/4” Oak ply ripped to 2 pieces 48” square. 1 pair old door hinges. May not use these as I discovered when I went to clean them how loose they are. 4” S&D pipe cutoffs for dust port. 1/2” pine plywood cutoffs in various sizes for dust hood. 10 8’ kiln dried select pine 2×4s. 1/2 a sheet of tempered hardboard (Want the sander bed to be slick to allow material to move through easily….

God have mercy on my project list, and my poor back!

-- My workshop blog can be found at http://daves-workshop.blogspot.com



5 comments so far

View SteveMI's profile

SteveMI

870 posts in 2047 days


#1 posted 05-30-2012 02:21 AM

I may have missed it, but you will need to use the pulleys to get the 3.450 rpm cut in half. Mine is a 22” wide with the 5” MDF segments. I’m using mine without an overhead to flatten glue ups wider than my planer.

Its first challenge was reclaiming a twisted and abused old table top. (Took about 10 passes with 180 grit)

You will find that every piece of flat wood will now go through the machine.

Steve.

View dbhost's profile

dbhost

5387 posts in 1984 days


#2 posted 05-30-2012 04:51 AM

Rpm wise I was aiming at around 1100 – 1200…

-- My workshop blog can be found at http://daves-workshop.blogspot.com

View Jim Bertelson's profile

Jim Bertelson

3685 posts in 1917 days


#3 posted 05-31-2012 01:53 PM

Envy…...............

Expect short comments until I am through programming for EMR…...............(-:

-- Jim, Anchorage Alaska

View helluvawreck's profile

helluvawreck

16043 posts in 1619 days


#4 posted 05-31-2012 01:58 PM

The fact of the matter is that I need one of these myself since I’ve started making boxes. I’m going to have to go back through this whole blog and some of the others too to see how everyone built theirs. Thanks for posting.

helluvawreck
https://woodworkingexpo.wordpress.com

-- If a man does not keep pace with his companions, perhaps it is because he hears a different drummer. Let him step to the music which he hears, however measured or far away. Henry David Thoreau

View dbhost's profile

dbhost

5387 posts in 1984 days


#5 posted 05-31-2012 02:21 PM

Cutting boards and cabinet doors are what triggered this build for me….

-- My workshop blog can be found at http://daves-workshop.blogspot.com

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