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Posted by Dave99 on April 12, 2008, 12:59 am
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It seems I'm often stuck looking for unique tools, for situations I
come across in my business. Long story short, I've been trying to find
a way to have a quiet and very portable, small metal band saw, that
can also hold up to some pretty long running periods. Basically the
size of the average portable band saw is fine. But I'm wondering if it
would be possible to modify one and have it powered by a quiet AC
induction motor. I've seen people modify portable band-saws into stand-
up models, but I've never seen anybody change the motor. I've searched
all over and apparently nobody makes such a thing. JET has some that
are very close, but they still use the typical noisy portable motor.
Just wondering if anybody has ideas for doing this.
Thanks,
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Posted by Leo Lichtman on April 12, 2008, 2:34 am
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"Dave99" wrote: (clip) But I'm wondering if it
> would be possible to modify one and have it powered by a quiet AC
> induction motor. (clip)
^^^^^^^^^^^^^^^^^^^^^^^
Induction motors are heavier and larger for the same horsepower, compared to
AC/DC brush type motors that are used on hand held tools. Pistol drills,
portable circular saws, weed cutters, portable grinders all get their power
at small size and weight by spinning really fast. The crossover comes with
table saws--the small contractor saws that are moved from job to job use
high speed brush-type motors. Cabinet saws such as used in a fixed location
generally have induction motors.
The Portaband and Milwaukee hand-held metal-cutting bandsaws are extremely
useful and versatile, but their size and weight would jump way up if
induction motors were used.
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Posted by Ronald Thompson on April 12, 2008, 11:13 am
Please log in for more thread options Dave99 wrote:
> It seems I'm often stuck looking for unique tools, for situations I
> come across in my business. Long story short, I've been trying to find
> a way to have a quiet and very portable, small metal band saw, that
> can also hold up to some pretty long running periods. Basically the
> size of the average portable band saw is fine. But I'm wondering if it
> would be possible to modify one and have it powered by a quiet AC
> induction motor. I've seen people modify portable band-saws into stand-
> up models, but I've never seen anybody change the motor. I've searched
> all over and apparently nobody makes such a thing. JET has some that
> are very close, but they still use the typical noisy portable motor.
> Just wondering if anybody has ideas for doing this.
>
> Thanks,
I used a noisy motor from a vacuum cleaner beater bar on my Sherline
mill as a spindle motor. It was very loud. I used a router speed
controller from Harbor Freight for speed control and was pleasantly
surprised by a significant noise reduction at less the wide open
throttle. Maybe this could work for you? I doubt full power is needed in
every cut.
If you try this, let us know how it turns out.
--
Ron Thompson
Riding my '07 XL883C Sportster
On the Beautiful Florida Space Coast,
right beside the Kennedy Space Center,
USA
http://www.plansandprojects.com
My hobby pages are here:
http://www.plansandprojects.com/My%20Machines/
Visit the castinghobby FAQ:
http://castinghobbywiki.plansandprojects.com/
The member map is here:
http://www.frappr.com/castinghobby
This ain't football, you can't just sit in a computer chair and memorize
facts.
-Ron Thompson
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Posted by Dave99 on April 12, 2008, 11:38 am
Please log in for more thread options Thanks guys... Leo, you're right... Adding an induction motor would
make it less portable, but still a heck of a lot more portable than
bringing a full size band saw. I should have included that I would
also fix it to some sort of stand, so hand holding would not be
needed. It would basically be like a mini horizontal or vertical band-
saw. Ronald... Slowing the motor would probably help some.
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Posted by DT on April 12, 2008, 2:07 pm
Please log in for more thread options Milwaukee makes a table/vise for their portable band saws. They make about a
half dozen variations of the band saws, and they have various speeds, 200, 250,
350 and 0-350 fps. I'm not sure if the variable speed versions can be locked on
at lower speeds.
I bet a slower speed model with the optional table would fill the bill, albeit
not too cheap.
http://www.milwaukeeconnect.com/webapp/wcs/stores/servlet/productrelated_27_400
28_-1_681771_192206_192137_Y
Small Url: http://smallurl.co.uk/?3033
Dennis
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> induction motor. (clip)