I have the Ryobi vertical bandsaw approximate cost $99. I have a hack
saw style blade 28+- teeth. At the speed the saw moves it doesn't cut
for crap, burns wood, heats up metal. And before I get flamed yes I
know you shouldn't use a 28 tpi blade to cut wood in this thing.
However, I would like to be able to slow down the speed so it operates
more like my portable band saw from Milwaukee. I tried a router speed
control from Harbor Freight, but the band saw must have a soft start
as the speed control didn't work.
Any ideas how to slow this thing down?
The reason the speed control doesn't work is that the saw has an induction
motor. Those speed controls only work on universal or DC motors. You're only
option are a pulley change or a gearbox.
<Matt In Fenton> wrote in message
Both good ideas.
But if I told you I had a solution to your speed problem for about
$20, would you be interested? The only solution I see is to get an
appropriate blade. I bet your 28 tpi blade is fine for cutting 1/4"
ply, but for anything thicker than that, call Iturra designs
(866-883-8064) and get a real blade. Or suffolk machinery (http://
www.suffolkmachinery.com/silicon_steel_pricing.asp) or any other place
that will weld up a blade to your length, if you can't find a
replacement blade at HD. Really not trying to flame here, but why are
you willing to fight with a speed control and whatever else, when it
sounds like you know the real solution?
Sorry - must have missed the fact that you're cutting aluminum. My
above response applies to cutting WOOD with a bandsaw - for some
reason, I just assumed that's what you were talking about on this
I cut both. I mentioned the aluminum because the material isn't as
forgiving as wood and it served as a better example. But the purpose
behind the thread wasn't really about cutting anything, it was merely
a question about how I would be able to slow the saw down. I think
once the question as to WHY I wanted to slow it down was asked the
conversation drifted away from the topic.
Thanks for the help though it's appreciated :)
Well part of the issue is when I try to cut aluminum.(quarter inch
plate) It's a catch 22 situation. I thought a higher tooth blade would
give me a cleaner cut, but at the "default" speed of this it sort of
bounces and doesn't cut. So I talked to a shop and they said to drop
to a lower tooth blade. I did that and it cut better but the cut
wasn't very clean it was almost "chunking" the metal out. When
machining metal there are two factors, speed and feed. I can slow
feed, it's the speed I want to slow as well. But at the time I bought
it I hadn't had any experience in machining.
It seems my only alternative is to put a higher tooth blade back in
and use it for wood only.
Hmm, now that I think about it. I think my father put my
grandfather's vertical bandsaw in the barn. If I remember correctly it
runs off a DC motor attached to a pully. This actually might work for
cutting metal and I'll leave mine for wood.
IIRC the small Ryobi has a direct drive induction motor. There is no
practical, inexpensive way to vary the speed of this motor. Direct
drive means pulley changes are not possible either. For the cost of
modifications to make this saw variable speed, you could buy a whole
bunch of blades suitable for your needs- Or, have a significant
amount of money to use for the purchase of a larger, more capable saw.
Often wrong, never in doubt.
Larry Wasserman - Baltimore Maryland - lwasserm(a)sdf. lonestar. org
have you tried lubricating the blade.
Ive got onto 50% chain saw bar oil, 50% kerosene and wood cuts very much
easier. a small spray bottle to start with to see if it works, and later
Ill rig up a car window washer setup to make it easier. not too much liquid
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