Gentlemen,
Could somebody point me to where I could buy graphite rod please10mm or 20mm
dia about a foot long.
Martin P

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Andrew Mawson - 29 Mar 2007 18:01 GMT
> Gentlemen,
>
> Could somebody point me to where I could buy graphite rod please10mm or 20mm
> dia about a foot long.
> Martin P
http://internalfire.com/modules.php?set_albumName=campingstoveman&op=modload&nam
e=PubGallery&file=index&include=view_album.php
Search for EDM supplies - graphite rods are used for EDM electrodes in
some applications where copper would prove too expensive.
Occassionally turn up on ebay as well.
AWEM
AWEM
Chris Eilbeck - 29 Mar 2007 18:45 GMT
> Gentlemen,
>
> Could somebody point me to where I could buy graphite rod please10mm
> or 20mm dia about a foot long.
http://www.aeroconsystems.com/graphite/excess_graphite.htm
Chris

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Chris Eilbeck
MARS Flight Crew http://www.mars.org.uk/
UKRA #1108 Level 2 UYB
Tripoli UK Member #9527 LSMR
Newshound - 29 Mar 2007 19:40 GMT
Do you mean graphite, the crumbly stuff in pencil leads, or resin bonded
carbon fibre, as used for making model helicopters, F1 cars, high tech
planes.
Andy Parker - 29 Mar 2007 19:59 GMT
> Gentlemen,
>
> Could somebody point me to where I could buy graphite rod please10mm or 20mm
> dia about a foot long.
> Martin P
Or silver casting equipment suppliers like HS Walsh - stirring rods for the
melt, mine are 9.5mm dia x 300 long.

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Peter Neill - 29 Mar 2007 20:16 GMT
>Gentlemen,
>
>Could somebody point me to where I could buy graphite rod please10mm or 20mm
>dia about a foot long.
>Martin P
Horrible nasty stuff, surely you don't to machine it? You'll end up
looking like a coal miner and all your machines and everything within
50ft will have nasty back smudges on it.
Peter
campingstoveman - 29 Mar 2007 20:18 GMT
I want to make a Stirling engine and from my research Graphite is used for
making the power piston as it is self lubricating and is light and yes I
will need to machine it.
Martin P
>>Gentlemen,
>>
[quoted text clipped - 8 lines]
>
> Peter
Chris Eilbeck - 29 Mar 2007 20:42 GMT
> I want to make a Stirling engine and from my research Graphite is
> used for making the power piston as it is self lubricating and is
> light and yes I will need to machine it.
A shop vac (with good filtering) attached right to the toolpost is the
way to go.
Chris

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Chris Eilbeck
MARS Flight Crew http://www.mars.org.uk/
UKRA #1108 Level 2 UYB
Tripoli UK Member #9527 LSMR
campingstoveman - 29 Mar 2007 22:03 GMT
Thanks Chris, now you mention it we use carbon filters at work, I wonder
what they have in them.
Martin P
>> I want to make a Stirling engine and from my research Graphite is
>> used for making the power piston as it is self lubricating and is
[quoted text clipped - 4 lines]
>
> Chris
Kevin - 30 Mar 2007 12:08 GMT
>Could somebody point me to where I could buy graphite rod please10mm or 20mm
>dia about a foot long.
>Martin P
As has been mentioned EDM suppliers would be your best bet. Do be
aware that graphite comes in several different types, and some of the
lower quality (cheaper, lower density) types would not be much good
for your application. Take a look here for an example of different
grades
http://www.tokaicarboneurope.com/graphite/hkgraph.php
As you want to use it as an actual component, in an engine, I would
think you should be looking for HK-6 or similar.
Regards
Kevin
campingstoveman - 30 Mar 2007 20:01 GMT
Gentlemen,
Thank you all.
Martin P
> Gentlemen,
>
> Could somebody point me to where I could buy graphite rod please10mm or
> 20mm dia about a foot long.
> Martin P