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Power for table saw question 120 or 220? Dave 08-08-2005
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Posted by Edwin Pawlowski on August 9, 2005, 10:14 am



>
> Just curious because I've never worked in a shop with fluorescent lights,
> but is it true that the blade on a saw can appear to be stopped due to the
> 60 cycle strobing of the lights?

I've never seen it, but perhaps at the right rpm it could.




Real Goods Solar, Inc.
Posted by Chris Lewis on August 9, 2005, 6:08 pm


> Just curious because I've never worked in a shop with fluorescent lights,
> but is it true that the blade on a saw can appear to be stopped due to the
> 60 cycle strobing of the lights?

It _can_. Whether it does, and by how much, depends on a lot of factors.

First requirement is that the blade on the saw is rotating at some
fixed multiple of 120Hz.

Ordinary fluorescents are pretty lousy strobes.
--
Chris Lewis, Una confibula non set est
It's not just anyone who gets a Starship Cruiser class named after them.


Posted by Colbyt on August 8, 2005, 8:39 pm



> I bought a new table saw and I can run it on 120 or 220, However, they
> recommend 220. What does running it on 220 buy me over 120? Thanks for
your
> opinions.
>

More than likely you will need a dedicated circuit either way. I can't
recall the details but when faced with your choice I went with 220.

Edwin was pretty accurate, except I did not understand the wire size part.
Slightly oversized wire is cheap when compared to the cost of burning your
house down.

Also I think I recall a cooler running, longer lasting motor. But that is a
"I think".


Colbyt




Posted by Stormin Mormon on August 9, 2005, 9:42 pm


Allows you to use smaller wire for installation. Other than that, not much.

--

Christopher A. Young
Learn more about Jesus
www.lds.org
www.mormons.com


I bought a new table saw and I can run it on 120 or 220, However, they
recommend 220. What does running it on 220 buy me over 120? Thanks for your
opinions.






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