Re: [CAD_CAM_EDM_DRO] Electrical enclosures?

Robert Campbell wrote:

>Robert,
>
>I have a suggestion for two boxes.
>
>Recently, I bought two 4U rack cases on ebay. I will put a computer in one
>and a power supply and Gecko drives in the second one.
>
>A 4U rack case makes a nice case for your power supply and Gecko drives.
>They have a removable filter at the front and a door that locks. Behind the
>locking door, I will put my switches. At the back, I removed the computer
>panel and added a new panel for a fan and my connectors and one DB 25
>connector.
>

(snip)

I like the typical "rackmount" cabinets for stuff that is "said and
done"...Stuff like Hi Fi, Communications.....Not so much for Machines or
PC's.
For one thing, the mfg's of them are not shy about pricing them. They
must think they are made of Gold !, so E-bay is your only bargain bet.

They are not so good if you are a "fiddler", or if you Beta test a lot
of components. It gets difficult to access components if you are having
problems or you want to simply change settings. Come to think about it,
if you want to clean inside or even check out how much dust/dirt is in
there, you have to wrestle the thing out of the rack and then crack the
top. I have one of those on a machine and I hate it when I want to make
a change. And, it gets dirty in there too. That fan drags a lot of
garbage in..... mine is on a Router.

It's like having a car that you'd be forced to pull the engine out the
bottom to check oil because they forgot to put an "opening hood" on it !

If I'd be forced to use them, I would put them on drawer glides with
enough wire behind to pull them out and still be able to work on it

Since I started using sealed NEMA boxes with swinging doors on machines,
I've been a happier person. The cabinet is fixed, I do not need to
support it if I slide it out, Do not need a "coil" of wire in case I
need to slide it out and keep it connected for troubleshooting, and,
most of them are much better sealed to the point they even have a gutter
and rubber seal over the door. This is real nice around coolant.

of course I'm just old and cranky about stuff like this.
Chris L

>
>Inside the box are two 12 volt fans that I will direct air to my Gecko
>heatsink.
>
>One rack case can then be mounted on top of the other one for a nice
>installation.
>
>Bob Campbell
>
>----- Original Message -----
>From: "rlcvds" <rlcvds@...>
>To: <CAD_CAM_EDM_DRO@yahoogroups.com>
>Sent: Wednesday, November 13, 2002 8:43 AM
>Subject: [CAD_CAM_EDM_DRO] Electrical enclosures?
>
>
>
>
>>I've been reading though the posts have not seen any info on mounting
>>the drivers and power supplies inside the PC itself.. Like most of us
>>I'm limited on space and thought this would make for a much cleaner
>>installation if all the electrics where housed in one case rather
>>than having several. Thought I'd ask before cutting up one of my
>>computer cases.
>>Thanks
>>Robert
>>
>>
>>
>>
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>>OFF Topic POSTS: General Machining
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>>bill
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>Addresses:
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>FILES: http://groups.yahoo.com/group/CAD_CAM_EDM_DRO/files/
>Post Messages: CAD_CAM_EDM_DRO@yahoogroups.com
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>Moderator: jmelson@... timg@... [Moderator]
>URL to this group: http://groups.yahoo.com/group/CAD_CAM_EDM_DRO
>
>OFF Topic POSTS: General Machining
>If you wish to post on unlimited OT subjects goto: aol://5863:126/rec.crafts.metalworking or go thru Google.com to reach it if you have trouble.
>http://www.metalworking.com/news_servers.html
>
>http://groups.yahoo.com/group/jobshophomeshop I consider this to be a sister site to the CCED group, as many of the same members are there, for OT subjects, that are not allowed on the CCED list.
>
>NOTICE: ALL POSTINGS TO THIS GROUP BECOME PUBLIC DOMAIN BY POSTING THEM. DON'T POST IF YOU CAN NOT ACCEPT THIS.....NO EXCEPTIONS........
>bill
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