???? Looking for answer old band saw - Router Forums
 
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post #1 of 4 (permalink) Old 05-15-2012, 12:25 AM Thread Starter
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Default ???? Looking for answer old band saw

I have a friend with a Band Saw made by J.A. FAY & CO. maybe 1881, He thinks, the blade is about 10' or so long, the bottom and top pulley's are 36" it now has a 5hp motor and He finally got it running did a little ripping with it any way He is wondering what should the blade speed be with this saw if anyone out there knows. Thanks

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post #2 of 4 (permalink) Old 05-15-2012, 07:09 AM
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The blade speed (surface feet per minute = SFPM) depends on the motor RPM, the motor pulley dia., the wheel pulley dia., and the band wheel dia. (36"). The easy way to compute would be to go to the Vintage Machinery computation page and plug in the data. I can't yet post the URL.
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post #3 of 4 (permalink) Old 05-15-2012, 09:15 AM Thread Starter
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Thanks Paul I will give Him the info today at work

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post #4 of 4 (permalink) Old 05-15-2012, 05:48 PM
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I know I already replied but can't help looking around two related sites -- Old Woodworking Machines (owwm dot org) and VintageMachinery (vintagemachinery dot org - was owwm dot com) -- of which I'm an inactive member. Great discussions about what bandsaw speeds are best for what machines and what uses.

For example really old machines have babbitt bearings that can not tolerate speeds as high as newer, ball bearing machines. I imagine that a Fay & Egan from 1881 might well have babbitt bearings.

Also, bandsaws with carbide-tipped blades do very well at higher speeds whereas plain steel blades might dull due to higher heat generated.

Resawing, due to the greater contact with a full width of board, would require a different speed than cross-cutting.

I strongly recommend your friend sign up for the two sites above. Keith Bohn is a great moderator and the folks on the list have a couple millennia of information!!
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