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01-15-2011, 07:51 AM
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Join Date: Jul 2007
Location: Delta, CO/Atlin, BC
Posts: 2,391
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What Bruce (and others) said. Ryobi was/is a good deal. I did have to replace one of the guides eventually (little chunks going through it eventually broke it off).
greg
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Greg Arehart
RV-9B (Big tires) Tipup @AJZ or CYSQ
N 7965A
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01-26-2011, 11:50 AM
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Join Date: Mar 2010
Location: Dublin, Texas
Posts: 54
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Ok SO I found a used Craftsman 10" band saw.... Whats the recomended TPI (teeth per inch) for cutting aluminum...
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01-26-2011, 12:58 PM
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Join Date: Jan 2007
Location: Battleground
Posts: 4,348
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It depends on thickness
Quote:
Originally Posted by Garrett3374
Ok SO I found a used Craftsman 10" band saw.... Whats the recomended TPI (teeth per inch) for cutting aluminum...
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Generally, the thinner the material, the more teeth. A 24 tpi raker will work very well for most of your work up to .125 and is a good overall compromise. If you go much thicker you would want to drop down. If you have thick stock, over 1/2", a "tooth" blade is a better choice, just be careful as the speed of wood cutting band saws is pretty high.
Ideally, you want 2 or 3 teeth on the work at the same time.
I like the bi-metal blades.
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Smart People do Stupid things all the time. I know, I've seen me do'em.
RV6 - Builder/Flying
Bucker Jungmann
Fiat G.46 -(restoration in progress, if I have enough life left in me)
RV1 - Proud Pilot.
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01-26-2011, 06:48 PM
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Join Date: Oct 2007
Location: In New Braunfels, ist das Leben schön!
Posts: 871
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Quote:
Originally Posted by Garrett3374
Ok SO I found a used Craftsman 10" band saw.... Whats the recomended TPI (teeth per inch) for cutting aluminum...
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Quote:
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Originally Posted by DanH
... get good blades. I've tried a variety. The best are Lennox Diemaster 2 bimetal 14-18T variable, easily purchased online. The 14-18 tooth is a compromise, a little too fine for chunk aluminum (like 2" round stock or 3/4" plate) and just fine enough for thinwall 4130. The only thing you can't cut is hardened steel; drill rod, quenched 4130, etc. Drag out the abrasive chop saw for that stuff.
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I got the blade DanH recommended for my 10" Craftsman and it's worked great through the wings. Much better than the blade that came with it.
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Larry New
RV-7A - Built, flying 900+ hrs
RV-10 - Built, flying 2.9 hrs
??? - RV-12, Subsonex
48 States in 7 Days!
VAF Paid - Annual Autodraft
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01-27-2011, 10:32 AM
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Join Date: Jan 2005
Location: Powder Springs, Ga
Posts: 309
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Skill Saw
I have the $97 Skill saw and it works great. You have to properly adjust the blade when you get it because it comes way out of adjustment.
Got it for $70 because the previous person did not know how to adjust the blade!
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Kurt Lohmueller A&P, DAR
Powder Springs, Ga
RV6A "Kurt's Toy" - Flying
RV12 - Flying - Sold
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01-27-2011, 03:15 PM
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Join Date: Jan 2005
Location: Arkansas
Posts: 1,505
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I have a tabletop Grizzly G8976 and it isn't up to the task. It has absolutely no power unless run wide open. When you slow it down some to cut aluminum you have to baby it through to keep from stalling it out. 
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Jim Wright
RV-9A N9JW 90919 SoldArkansas
http://www.jimsairplanes.com
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"It's a brutal struggle for the biscuit."
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01-27-2011, 05:16 PM
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Join Date: Aug 2009
Location: Newport, RI
Posts: 705
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cutting aluminum
I purchased the Ryobi tabel top band saw. Works well. Make sure however all the rollers are adjusted properly with about a folded paper gap between the rollers and the blade, if these are out, you will be hating life tring to get a straight cut and keeping the blade from wandering.
Regarding cutting alum. angle. I used to build alumn fishing boats. The best saw for this is a 10" mitre box saw with a carbide finish blade 40-60 teeth. We also use to cut rather thick guage alum sheet stock with a plane ole 7 1/4"skill saw with carbide teeth. The "chop box" miter saw is really great for cuting angle of all sizes, especially the 2 1/2" used in the fire wall.
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01-31-2011, 11:36 AM
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Join Date: May 2005
Posts: 212
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Teeth
FWIW,
When I started building, someone recommended a wood tooth spacing (6 TPI). I found that spacing to be very good for aluminum. It cuts much faster than metal blades in anything below about 3/8" thickness. It's probably a bit course for thin sheet, but you should probably cut that with snips anyway.
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Brent Travis
N999BT
Flying
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01-31-2011, 03:13 PM
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Join Date: Mar 2010
Location: Dublin, Texas
Posts: 54
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I ended up getting a 14tpi and a 24tpi
We'll see how these work..
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01-31-2011, 03:36 PM
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Join Date: Sep 2007
Location: Redwood City, CA
Posts: 80
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Quote:
Originally Posted by DCat22
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I ended up buying this Skil refirb. It works. I can't say much more than that for it. It is super cheaply made. The laser line is a joke. I had to tape the open-door sensor closed because it wasn't anywhere near lined up with being pushed when the door is closed.
After a bit of setting up, it cuts straight, which is all i need. Its probably hard to beat for 100 bucks, but don't expect too much. I'll be curious to see how long it lasts me.
I think i'll look for a little more quality in buying a bench drill press.
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RV7A/TU Finishing Kit
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