Re: [CAD_CAM_EDM_DRO] Re: plasma accuracy

Why not just use a commercial dryer?
See: <http://www.pulsar-superdry.com/> for an example.
Google returns 68,700 hits on the term "compressed air dryer"

On Dec 21, 2004, at 2:26 AM, turbulatordude wrote:

>
>
> --- In CAD_CAM_EDM_DRO@yahoogroups.com, R Rogers <rogersmach@y...>
> wrote:
>> Oh ok, well that makes sense. moisture in the air being conductive.
> Could one use an inert gas such as Co2 with better results than air
> regarding tip failure? Argon would be better probably but much more
> expensive.
>>
>> Ron
>
> I'm not sure of the air volume, but you can solve the compressed air
> moisture pretty easily. Albeit with some work.
>
> A post compressor heat exchanger would help drop the compressed air
> temperature somewhat.
>
> A simple refrigerator with airline coiled inside would offer a
> mechanical cooling of the air line.
>
> The exit air of the refrigerator could then be used as the pre-
> cooling side of the heat exchanger. Warming the air to the torch,
> but using some of the colder refrigerated air to pre-cool the air
> entering the refrigerator. This would reduce the load on the
> refrigerator.
>
> Putting a bucket of water in the frige and the coil in tht would add
> a signifigant thermal mass also.
>
> Just some ideas.
>
> Dave
>
>
>
>
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