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Abrasive to dry cut chop saw conversion


 
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Fred Werring
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PostPosted: Wed Jun 22, 2022 3:22 am    Post subject: Abrasive to dry cut chop saw conversion Reply to specific post Reply with quote

Got an older 14 abrasive chop saw. Had kind of been looking at a dry cut saw as an upgrade.

But a guy on another form said he bought a 14 dry cut blade and a router speed controller, put them on his abrasive saw,
claims it works like a champ on the 3/16 steel he'd cut thus far.

Since I'm frugal, and this route would be about $250 cheaper than a new Evolution....

Thoughts?
 
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hurleyjd
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PostPosted: Wed Jun 22, 2022 3:41 am    Post subject: Re: Abrasive to dry cut chop saw conversion Reply to specific post Reply with quote

Hard to beat this price, also there are a lot of cutoff saws on the site.
saw

 
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Steve@Advance
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PostPosted: Wed Jun 22, 2022 3:45 am    Post subject: Re: Abrasive to dry cut chop saw conversion Reply to specific post Reply with quote

From what I see, the dry cut blade has to run slower, about 1/2 what the abrasive saw does.

You can slow it down with the speed controller, but it will lack the torque of a gear reduction saw.

Might work for small stuff, but I'm afraid it will be under powered and stall easily.
 
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kcm.MN
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PostPosted: Wed Jun 22, 2022 4:19 am    Post subject: Re: Abrasive to dry cut chop saw conversion Reply to specific post Reply with quote

Fred, I have a saw made by Evolution. It's not the cutoff saw you're looking at, but I can tell you, there are times when the carbide saw will work and other times when the abrasive saw would be a better choice.

If it were me, I would look into a 2nd saw that would give you both options.
 
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dr sportster
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PostPosted: Wed Jun 22, 2022 6:18 am    Post subject: Re: Abrasive to dry cut chop saw conversion Reply to specific post Reply with quote

I have never seen a chop saw that one could slow down to half speed .
 
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Steve@Advance
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PostPosted: Wed Jun 22, 2022 7:18 am    Post subject: Re: Abrasive to dry cut chop saw conversion Reply to specific post Reply with quote

You can buy a speed controller that will work on a brush type AC motor, like a heavy duty dimmer switch.

It will slow it down but without gear reduction it will be very low powered.
 
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Geo-TH,In
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PostPosted: Wed Jun 22, 2022 1:49 pm    Post subject: Re: Abrasive to dry cut chop saw conversion Reply to specific post Reply with quote

I would be worried that slowing a motor might burn it up.
The faster a motor spins the less current it uses.
Slowing a motor might work. Better watch the current.

You might try using a very large diode. Running a motor on half the voltage, half the current and 1/4th horsepower..
1/4 the hp may not be desirable.
I would stick to the Abrasive disks.

Let us know what happens..
 
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MJMJ
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PostPosted: Wed Jun 22, 2022 3:54 pm    Post subject: Re: Abrasive to dry cut chop saw conversion Reply to specific post Reply with quote

Thats not the way to go. Even if it works, it may not for long because it will be so underpowered. Buy a second saw. I use the dry cut 95% of the time, but the abrasive still has its place for thin material and cable etc...
 
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Stephen Newell
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PostPosted: Thu Jun 23, 2022 2:55 am    Post subject: Re: Abrasive to dry cut chop saw conversion Reply to specific post Reply with quote

I used to use a chopsaw but since I purchased a metal cutting bandsaw I rarely use the chopsaw anymore. I just bought the small purple saw HF sells. Works great.
 
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Sprint 6
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PostPosted: Thu Jun 23, 2022 3:02 am    Post subject: Re: Abrasive to dry cut chop saw conversion Reply to specific post Reply with quote

I have the orange Evolution 14 chop saw, think I paid $249 a couple years ago. I couldn't be without it.
 
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