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Re: [Shop-talk] Plasma Cutter- the review

To: Randall <tr3driver@ca.rr.com>
Subject: Re: [Shop-talk] Plasma Cutter- the review
From: David Scheidt <dmscheidt@gmail.com>
Date: Fri, 14 Jan 2011 17:34:39 -0500
On Fri, Jan 14, 2011 at 4:30 PM, Randall <tr3driver@ca.rr.com> wrote:
>> The air requirements are very little. B In fact, they just say between
>> 50psi and 70 psi. B There is no cfps requirement on it.
>
> The maker's website gives 3.5 cfm:
> http://ramsond.com/proddetail.php?prod=CUT50DY
>
> It doesn't really specify whether that is 3.5 scfm (ie 3.5 cf after
> expanding to 1 atmosphere) or acfm (actual 3.5 cf of compressed air), but
> usually air tools are given as inlet acfm, meaning it needs roughly 17 scfm
> (at 4 atmospheres/60 psi).
>

That seems like an incredible amount of air.  I've used a much bigger
miller, which lists its requirement as 6.75 SCFM.   I'm willing to say
that cheap chinese tools use more air, but three times as much, for
less cutting abiity?


--
David Scheidt
dmscheidt@gmail.com
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