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Old November 18th, 2011, 09:00 PM   #1
nate4d
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band saw question

my dad has an old 1949 craftsman model #1030103 stand up band saw. anyone know if i can just change the blade and it will be good for cutting metal? just cant find any info on the interwebz about it. right now its set up for wood.
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Old November 18th, 2011, 09:55 PM   #2
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You need to try to figure out the blade speed(doing math based on motor rpm, and the gear/belt reduction to figure out the drive whee rpm, and diameter to figure feet per minute). Usually, a wood band saw uses a much higher blade speed than a metal saw. One of the magazines, car craft or hot rod did a article or two about converting them, but in general, its probably too fast.
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Old November 19th, 2011, 05:07 AM   #3
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The other problem you will probably have is blade length. I have found that the standard off the shelf blades are different lengths for steel and wood. So, unless you have the ability to get custom length blades, you won't be able to get a metal blade to fit your wood saw.
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Old November 19th, 2011, 07:22 AM   #4
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American Hack and Band in Saginaw makes custom blades. We get ours at work from there.
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Old November 19th, 2011, 07:53 AM   #5
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I found that wood band saws can be 2,3,or even 4 times to fast a blade speed. Itl just eat up new blades. what is the distance from the blda to the riser(throat). if it is too small , like most bench tops. you wont be able to get a metal blade flexible enoughto handle the small wheels. best of luck
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Old November 19th, 2011, 08:33 AM   #6
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something everyone left out. if you plan to cut aluminum a wood blade & speed are just fine.
the key is the harder metals need to be much slower. steel is around 80-110 feet per minute while others are much higher

http://freetechnicalcharts.com/Band_..._for_Metal.php
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Old November 21st, 2011, 05:03 PM   #8
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Yeah the common difference in "blade material" for wood vs metal is Cobalt (wood) and Bi-Metal(steel).

The cobalt is the darker, shiny-er, multi colored steel, like a Harley Exhaust. The bi-metals are grey and dull.

I have a band saw blade calculator on my spreadsheet, pm me if you need a price check....
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