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Thickness Drum Sander #1: Design and Planning

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Blog entry by Vip3r74 posted 403 days ago 3119 reads 4 times favorited 8 comments Add to Favorites Watch
no previous part Part 1 of Thickness Drum Sander series Part 2: Design and Planning »

I have been part of LJ’s for 39 days and I have learned a lot from the community. I have been a casual woodworker with no official training for about 7 years. I did my apprenticeship as a Tool & Die Maker but never followed that either, I worked in a Toolshop for a while but did mostly CNC programming and a bit of tool design. Currently I’m a network administrator for a medium sized business but the woodworking bug is biting me more and more because I do have a passion for it but I would also like to make some extra cash.

I have seen many guys here make their own machines and jigs and fixtures and because I do not have the cash to buy all the bigger machines I started to look at all the machines being custom build here in the community. One that I really would like is a drum sander. the reason for that is that I have access to lots of lumber that can be recycled or upcycled, only problem is that they aren’t flat and they do need sanding to cleanup anyway. And that is why I have done quite a bit of research about them in the community. The one I like most is the one that Blake built (Here). The only thing I don’t like about it is the lifting mechanism, it looks a bit shaky. I have bigger lumber that I want to sand as well so I was looking for a bit more of a sturdy design. That I found in a design from Stumpy Nubs, the video is located (Here).

With those 2 ideas I started my design, keeping in mind the size of lumber I would like to push trough it and which parts I can obtain easily and cheap. My main objective was for accuracy and that it must last, it is not a short term solution. Why make something to later buy one, mine must last just as long as any shop bought one. Plus the spares must always be available. Fortunately I have access to an excellent 3D cad program and I have worked on it before, I managed to get into the swing of it quickly.

Here is my first idea of what I would like to achieve.

And without the covers.

This is it for now, will add more pics and explain how it all comes together.

-- Create, create, create create. It makes my blood flow. And what better material to use than wood, you can repeat the same object 1000 times and none will look the same in natural form.



8 comments so far

View PurpLev's profile

PurpLev

8476 posts in 2282 days


#1 posted 403 days ago

this looks like it’ll be a beast!

so far so good, but from your drawing I can’t tell how you are going to supply the tension on the driving (link?) belt – will there be a hinged platform on the motor to rest on and let gravity do the work? is there a tensioning screw somewhere to push motor away from spindle to generate tension?

-- ㊍ When in doubt - There is no doubt - Go the safer route.

View PurpLev's profile

PurpLev

8476 posts in 2282 days


#2 posted 403 days ago

to add more context – a drum sander will not get your stock-to-be-recycled flat. you would need a jointer for that. a drum sander is great as a finishing tool – not so great as a rougher milling tool.

-- ㊍ When in doubt - There is no doubt - Go the safer route.

View thebigvise's profile

thebigvise

190 posts in 1534 days


#3 posted 403 days ago

I love shop-made things and I do it quite a bit, but a drum sander is tough. I can say that my General 25” double drum sander was a life-changer for me. I had to step up big with $2000, but it is a joy to use. As for thicknessing, it’s a great tool, but patience is needed with no more than 1/8 turn per pass.

-- Paul, Clinton, NC

View Vip3r74's profile

Vip3r74

65 posts in 443 days


#4 posted 403 days ago

The wood that I can get my hands on is old crate planks which is fairly flat, I will probably need to cleanup 1 to 2 mm per side so the sander should do the trick plus like u say PurpLev it is great for finishing. I have a friend with a thickness planer\jointer that I send the rough stuff to.

Right behind the post that sits in the middle of the pic their is a tensioner bolt that will screw into the bottom base plate, the motor is like u said mounted on its own hinged base.

Thanks for the advice, that is the reason that I decided to start blogging about it now already. LJ community is full of very clever and helpful people and people with much more experience than what I have. In return I want to share my experience to them again.

-- Create, create, create create. It makes my blood flow. And what better material to use than wood, you can repeat the same object 1000 times and none will look the same in natural form.

View shipwright's profile

shipwright

4930 posts in 1431 days


#5 posted 403 days ago

I have a 25”double drum sander and and a shop made one. Love them both.
My only suggestion would be to make two dust collection spots rather than just one. Dust removal is critical in sanders and the better you can do it the less trouble you will have.

-- Paul M ..............If God wanted us to have fiberglass boats he would have given us fiberglass trees. http://prmdesigns.com/

View Vip3r74's profile

Vip3r74

65 posts in 443 days


#6 posted 403 days ago

Thanks for the advice shipwright, I will definitely have to to that then seeing that I am making my drum to sand 450mm wide. (18 inches). Diameter wil be 110mm. (4.3 inches).

PS. Like your quote at the bottom of your post.

-- Create, create, create create. It makes my blood flow. And what better material to use than wood, you can repeat the same object 1000 times and none will look the same in natural form.

View shipwright's profile

shipwright

4930 posts in 1431 days


#7 posted 402 days ago

You can make a very efficient, drum hugging dust shroud from ABS pipe. Have a look at my home made sander. It’s not what you want but the dust shroud is worth a look. http://lumberjocks.com/projects/57158

-- Paul M ..............If God wanted us to have fiberglass boats he would have given us fiberglass trees. http://prmdesigns.com/

View Vip3r74's profile

Vip3r74

65 posts in 443 days


#8 posted 402 days ago

If I had a ShopSmith Shipright your drumsander would have being on to of my list for inspiration, I really like what you did with what you had. One thing I firmly believe in is to use everything in live at least twice. Once for its original purpose and at least once for some other creative thinking purpose. (Recycle/Upcycle)
And with your way you safe one space, which in my small garage would be a plus. I don’t know were this monster machine is gonna fit in my garage but I WILL make space for it. :-)
Thanks again for the advise.

-- Create, create, create create. It makes my blood flow. And what better material to use than wood, you can repeat the same object 1000 times and none will look the same in natural form.

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