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Thoughts on an Atlas table saw

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Forum topic by Jrypka posted 02-22-2018 05:20 PM 1243 views 0 times favorited 11 replies Add to Favorites Watch
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Jrypka

11 posts in 309 days


02-22-2018 05:20 PM

I saw this come across Facebook marketplace, and was wondering what you guys think. Looks like an upgraded fence probably. It is in storage 100 miles from the owner, so not sure how I can arrange an inspection, and where it is sitting probably doesn’t have 3 phase power to even turn it on. I’m sure I’d have to get the price down a bunch in order to justify buying a VFD to put on it. Thoughts on if it’s any good and what a price point might be?

https://www.facebook.com/marketplace/item/162270971041994

-- Not everything that can be counted counts, and not everything that counts can be counted. -Einstein


11 replies so far

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Loren

10477 posts in 3854 days


#1 posted 02-22-2018 05:26 PM

They are said to be good saws. Built heavier
than a Unisaw.

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Jrypka

11 posts in 309 days


#2 posted 02-22-2018 10:58 PM

Is there anything in particular I should look for when I go to look at it? Especially if I’m not able to start it up? Or should I just avoid?

-- Not everything that can be counted counts, and not everything that counts can be counted. -Einstein

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Loren

10477 posts in 3854 days


#3 posted 02-22-2018 11:06 PM

Those Vega fences are nice. I wouldn’t avoid
it or particularly be concerned that the motor
is bad, but it’s a possibility. It probably doesn’t
use a proprietary motor mount like a Unisaw
does so swapping out the motor may be cheaper.

The ones I saw for sale recently the guy wanted
like $100 each for them. They were probably
3-phase at that price and may have lacked fences,
but the price testifies to how little interest there
is in them. Like I said, though, they are supposed
to be good saws.

They are commonly referred to as Atlas/Clausing
saws if you’re looking them up online.

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MrUnix

7053 posts in 2405 days


#4 posted 02-22-2018 11:08 PM

Use not being able to run it as a negotiation point. A VFD will be an additional $200 or so.

Check to make sure it is complete and nothing is broken/missing. That saw is around 50 years old or more, and since it was not a widely made model, finding parts for it may prove difficult or impossible – seriously adding to what it will cost by the time you are done. You can easily clean and paint the parts you have, but it’s the ones that are missing or broken that will bite you in the wallet. Also figure on replacing the bearings and belts at a minimum, so add that into your cost calculation.

They do clean up nice though!


(From this VM photo entry)

Cheers,
Brad

-- Brad in FL - In Dog I trust... everything else is questionable

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knotscott

8154 posts in 3581 days


#5 posted 02-23-2018 11:48 AM

There was a DeWalt version of those at one time too. (might help with parts). Even though it’s 3ph, the addition of the Vega fence gives it potential if you’re willing to get a converter of VFD.

A question for those who know….how much power should he expect from a 2hp 3ph motor on a VFD?

-- Happiness is like wetting your pants...everyone can see it, but only you can feel the warmth....

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MrUnix

7053 posts in 2405 days


#6 posted 02-23-2018 05:27 PM

A question for those who know….how much power should he expect from a 2hp 3ph motor on a VFD?
- knotscott

2hp

Cheers,
Brad

-- Brad in FL - In Dog I trust... everything else is questionable

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knotscott

8154 posts in 3581 days


#7 posted 02-23-2018 06:35 PM



A question for those who know….how much power should he expect from a 2hp 3ph motor on a VFD?
- knotscott

2hp

Cheers,
Brad

- MrUnix

Thx. Thought I had read that there are losses when going from 3 phase to single phase.

-- Happiness is like wetting your pants...everyone can see it, but only you can feel the warmth....

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MrUnix

7053 posts in 2405 days


#8 posted 02-23-2018 06:45 PM

Thx. Thought I had read that there are losses when going from 3 phase to single phase.
- knotscott

That is true for a static phase converter, where you will lose roughly 1/3 of the motors horsepower with them (along with some other nasty side effects). A SPC doesn’t really provide three phase, but just fakes it. With a rotary phase converter or a VFD, you will get full three phase and no loss of power.

Cheers,
Brad

-- Brad in FL - In Dog I trust... everything else is questionable

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Loren

10477 posts in 3854 days


#9 posted 02-23-2018 06:48 PM

You’d lose about 1/3rd of hp by using a static phase
converter. They may have other applications but
for motors there’s some concerns that they can cause
premature motor failure.

With VFDs coming down in price the cost advantage
of the static converters isn’t what it used to be.

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unbob

810 posts in 2109 days


#10 posted 02-24-2018 03:02 AM

From my experience with old static phase converters, the power loss is closer to 1/2. The motor can overheat from bogging it down, but the static converters destroying motors is way over blown.
There are more modern static type converters that also have run capacitors, those claim to run at 80%, I have a 5hp Autogen converter that has much more run power then an older PhaseAmatic 5hp without the run capacitors. VFDs 5hp and less are the best buy these days.
The Atlas saws like above were also branded Clausing, its possible some parts may still be available. I have not heard of major problems with these saws.

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unbob

810 posts in 2109 days


#11 posted 02-24-2018 03:03 AM

I think the saw above is a pretty good buy with the vega fence.

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