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Who's made a home-made Band saw?

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Forum topic by thudpucker posted 01-07-2010 08:55 AM 6335 views 0 times favorited 6 replies Add to Favorites Watch
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thudpucker

35 posts in 2885 days


01-07-2010 08:55 AM

Topic tags/keywords: question

It dont seem to be too difficult. I would like to have one from time to time, but not $1500 bucks worth.
Someone else must have felt this way too.
Made a coulple of bycycle wheels, a motor and a tension driver.
How about it?
Anybody?


6 replies so far

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poopiekat

4225 posts in 3198 days


#1 posted 01-07-2010 03:57 PM

I made one once, but only because I’d come across a nice pair of 12” wheels, made of really tough plastic material, with nice metal 3/4” hubs. I used flange-style pillow blocks in an MDF torsion-box carriage, with the upper unit sliding on a square vertical post for blade tension. Pillow blocks are very forgiving for mis-alignment, and that is good for adjusting the tracking. The upper blade guide was the biggest problem, but I used some 1” ball bearings for guides, held in place on a piece of 1 X 1 square tubing and shoulder bolts, which was height adjustible and held in place with a clamping fixture. I’d used this unit for a few years, and only last month tore it down to rob it for parts for another project.
I have seen home-builts, including a bandsaw mill which was made from old American Motors front spindles and tires, turning a 3” blade.
Yes, I’ve cast a glance or two at bicycle tires, but the hubs are the perplexing part. You wouldn’t want to have to remove the tires to change a blade, and I don’t know of a way to adapt the wheel hubs to axle stubs from the rear without some heavy duty machining. I saw one unit in FWW that was made with 30” MDF wheels. I would find some metal flanges for use as hubs if I went that route. Maybe bike tires and tubes on homemade MDF or phenolic rims, hmmm that’s a possibility!!
You’re quite right, though, about making as opposed to buying. My original plan was to build a small 3-wheel bandsaw, with the capability of cutting a full 45-degree left tilt into the table, as well as 45-degrees right, something most bandsaws are incapable of doing. Just be sure that the unit is built with safety in mind, with adequate blade covers!

-- Einstein: "The intuitive mind is a sacred gift, and the rational mind is a faithful servant. We have created a society that honors the servant and has forgotten the gift." I'm Poopiekat!!

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thudpucker

35 posts in 2885 days


#2 posted 01-07-2010 04:20 PM

Wow! I didn’t realize it was that complex inside those doors.

Last night on <craiglook> (makes it easy to search the Craigs List database) I found several 12” Bandsaws for less than $100. One was pretty close. I’ll probably have to go to the 1st National Bank of Mammahood for some loose change. :)

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poopiekat

4225 posts in 3198 days


#3 posted 01-07-2010 04:42 PM

No, thud, it’s really not that hard to make one, as long as you’re up for the problem-solving stuff when heading into uncharted waters. Using a home-built tool of any kind is really gratifying, too. It was always nice to have mine in the corner, always ready for scabbing off cleats and rough sizing as well as scroll cuts.

-- Einstein: "The intuitive mind is a sacred gift, and the rational mind is a faithful servant. We have created a society that honors the servant and has forgotten the gift." I'm Poopiekat!!

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thudpucker

35 posts in 2885 days


#4 posted 01-07-2010 05:32 PM

One chilly winters day, out in your shop, in the mood, camera in hand, get a number of Photos’ of your handiwork and put them on the site or send them to me at<groanerathughes>

I have that inventive spirit, and a pile of junk in my barn.
Dick

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YoungestSon

93 posts in 2520 days


#5 posted 01-29-2010 04:04 AM

Dick,

There are plans on the Fine woodworking Site for a home made band saw.. The author tasks you through design and construction. The main limitation was the bearings he used. He used some plumbing flanges and made oil wells to keep things lubricated. I think this could be improved. He made the wheels out of plywood. There was another article in Fine woodworking where some one used MDF for the wheels. It will be important to get the wheels perfectly round. The author used a jig fixed up to a sander. I want a large bandsaw (maybe 20 inches and a cutting depth of 12 inches) because I want to resaw some logs for planks. The larger the bandsaw the higher the price. I have motors, some of the parts and would only have to buy the plywood or MDF and some lumber. I also am thinking of building my own.

Do you have access to the Fine woodworking web site?

-- Don - Rochester, NY

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thudpucker

35 posts in 2885 days


#6 posted 01-29-2010 07:16 AM

Thanks for that tip. I’ll see if I can get there.
My first thought on a large entry Band saw was with butchering a Moose.
I never thought of doing a Tree!

I am not to the planning what to use for bearings yet. I had some thoughts, but didnt know what I might find in the “Scrounge” market. I was going to use Roller skate wheels for blade guides.
I’d make the upper wheel be the ‘tensioner’ by pulling or pushing it up to maintain tension on the blade.
I had the thought, and that was about all eh? :)
Thanks guys.

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