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Homemade powertools #5: bandsaw build progress

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Blog entry by Sodabowski posted 08-27-2012 10:43 PM 7117 reads 1 time favorited 13 comments Add to Favorites Watch
« Part 4: Little disgression: homemade ceiling cord reel prototype idea Part 5 of Homemade powertools series Part 6: bandsaw progress »

This is my soap dispenser. There are many others like it but this one is mine.

And once it’s empty there are a few goodies to look for inside the pumps of these things:

The hard plastic balls are very nice and shiny (not as in this picture, I stuffed it in a hole in my tabletop so it wouldn’t move during the picture). I collect them for fun and maybe someday I will have enough to make a bracelet or something ;)

The stainless steel spring in these things is of good interest to me. I have a decent collection of hardware parts scavenged from all the electronic items I dismantled over the years (and I began it early). Mainly printers and photocopiers. In this case I was searching through my compression springs collection for a pair that would be around 1 cm long and with enough strength to be used for the freewheel of the small bandsaw I’m building. It turns out that I used one of the springs from my dismantled soapo dispenserz. Kthx.

And so the story continues: meet my little friend Tom (Sawyer):

This is the freewheel, with its support and adjusting caddy. The bolt allows for tensioning of the blade, and the set screws for sideways orientation of the wheel. The whole assembly will be attached to the body via hinges, to allow for the vertical plane orientation, and I will also be using one of the soap dispenser springs for it.

Here you can see the face of the wheel. It’s MDF, hollowed to lighten it up a bit and allow for manual rotation. I know, Matthias Wandel tested it and concluded that MDF is not a great material for a bandsaw wheel, but as this will be a very small scale one with no need for speed, I prefer to have a really homogenous pair of wheels as I will use it mainly for veneer slicing and pen blanks roughing.

Here you can see the two spring halves used for the push action against the wheel mount. Pull action is via a pair of hex screws, fitted with threaded inserts. The wood for these parts is decent quality pine and some plywood, as MDF would not react properly to threaded inserts anyway.

This is the power wheel, hollowed as the freewheel to gain some weight, add it some sexiness and a few grip points to turn it by hand. It will be driven via a timing belt, just like my pen lathe.

And here the face view. I haven’t erased the pencil lines yet.

Hopefully I will be able to finish the bandsaw rather soon now, as the tools I needed to build these parts were at my parents’ place. Expect a few updates and a finished project post in the coming weeks.
Alas, time was too short to even start the prototype cord reel. Later.

Cheers!

-- Holy scrap Barkman!



13 comments so far

View 489tad's profile

489tad

2397 posts in 1698 days


#1 posted 08-28-2012 03:17 AM

Great blog. The lathe is cool. I’m looking forward to the bandsaw.

-- Dan, Naperville IL, I.G.N.

View KOVA's profile

KOVA

1311 posts in 1065 days


#2 posted 08-28-2012 03:37 AM

VAS MUY BIEN SODA ;-D
NO HACE FALTA ACLARAR QUE SOMOS HERMANOS DE HOME-MADE ;-)))))))))))

-- KOVA, EL CARPINTERO DEL PUEBLO https://www.facebook.com/pages/El-Carpintero-Del-Pueblo/148976618479733

View llwynog's profile

llwynog

283 posts in 1266 days


#3 posted 08-28-2012 05:34 AM

Cute ! Looking forward to seeing the completion of this mini-me version of Mathias’ bandsaw.

-- Fabrice - "On est bien bĂȘte mais on sent bien quand on se fait mal" - my grandfather

View rance's profile

rance

4142 posts in 1847 days


#4 posted 08-28-2012 06:02 AM

This looks so cute. Pictures… PLEASE?

-- Backer boards, stop blocks, build oversized, and never buy a hand plane--

View KOVA's profile

KOVA

1311 posts in 1065 days


#5 posted 08-28-2012 03:51 PM

RANCE: IF YOUR QUESTIONS FOR MY PHOTO: MY PULLEY IS MADE OF WOOD ;-D

-- KOVA, EL CARPINTERO DEL PUEBLO https://www.facebook.com/pages/El-Carpintero-Del-Pueblo/148976618479733

View mafe's profile

mafe

9554 posts in 1776 days


#6 posted 08-28-2012 10:31 PM

Looking really cool Thomas.
What a wonderful project.
What about blades?
I can’t wait to see this baby running.
I love your thinking my friend.
Hope summer was awsome in Paris.
Best thoughts,
Mads

-- Mad F, the fanatical rhykenologist and vintage architect. Democraticwoodworking.

View Sodabowski's profile

Sodabowski

2039 posts in 1520 days


#7 posted 08-28-2012 11:31 PM

@ Kova: como no, ‘mano :D

@ rance: I don’t have more pictures right now, I’ll have some time tomorrow to make a bit more of it and shoot more pixels. I’ll keep you guys updated :)

@ Mads: the blades? I will be making them out of 1/64” laminated boxwood shavings.

... What do you mean by “I’m not buying it”? ^^

Actually, I will reuse the old, used and abused blades from my 56” bandsaw, cut down to get rid of the warped sections and resoldered. I won’t be pushing really hard on that one, as I plan to make an autofeeder for it to slice veneer out of rather soft woods, so the blades will not be pushed very far as far as strength is a concern. Minimum radius, on the other hand, might be. We’ll see how well and long they hold :)

-- Holy scrap Barkman!

View mafe's profile

mafe

9554 posts in 1776 days


#8 posted 08-29-2012 08:10 AM

Smiles and laugh.
I’m sure it will work.
Here a solder ling, notice the jig to hold the blade.
http://www.steves-workshop.co.uk/tips/bandsawblade/fixingbandsawblade.htm
Smiles,
Mads

-- Mad F, the fanatical rhykenologist and vintage architect. Democraticwoodworking.

View Sodabowski's profile

Sodabowski

2039 posts in 1520 days


#9 posted 08-29-2012 01:18 PM

That’s how I do it, I made a similar fixture but out of aluminium :) Though, for small bandsaws, flat soldering of the blade ends is a bad idea, as the joint area becomes a flat spot. I will make a rounded jig :)

-- Holy scrap Barkman!

View rance's profile

rance

4142 posts in 1847 days


#10 posted 08-30-2012 01:10 AM

That’s cool too Kova. I was talking about the mini bandsaw. :)

-- Backer boards, stop blocks, build oversized, and never buy a hand plane--

View KOVA's profile

KOVA

1311 posts in 1065 days


#11 posted 08-30-2012 03:37 AM

COPYING RANCE, over and out ;-D

-- KOVA, EL CARPINTERO DEL PUEBLO https://www.facebook.com/pages/El-Carpintero-Del-Pueblo/148976618479733

View Sodabowski's profile

Sodabowski

2039 posts in 1520 days


#12 posted 08-30-2012 10:18 AM

:) I’m mounting my router right now guys, I’m doing a little more of the bandsaw this afternoon :) expect more pictures rance :D

-- Holy scrap Barkman!

View mafe's profile

mafe

9554 posts in 1776 days


#13 posted 08-30-2012 10:41 AM

;-)

-- Mad F, the fanatical rhykenologist and vintage architect. Democraticwoodworking.

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