Re: Magnet Question
RON BRENNEN ( B25B@LCIA.COM )
Sat, 28 Aug 1999 21:50:25 -0400
Darren Hesford wrote:
>
> Hi Jerry & All
>
> I wonder If someone might be able to help me with a question I have about
> magnets ?
>
> Hiroshi R. Maekawa wrote
> <Stator was made from many pies of magnets which cut out from magnet>
> <block, bought from TDK Japan. After glue them grind them by CNC machine>
> <carefully. To make one stator, it took about 3 weeks to one month. >
>
> Is it practical to machine magnets? I was always under the impression that
> it damaged their alignment and so made them less efficient or does a lot
> depend on which type of magnet you use, what I am getting at is would I able
> to machine a Neodymium block without destroying its properties?
>
> What I want to try is to drill holes through each face of a square block of
> magnet then put various metal objects through the centre I.e. copper coil,
> mercury filled tube etc then insert solid cylinder magnets into the other
> holes varying their polarities to see if any current can be produced.
> If I am completely flogging a dead horse here could someone let me know as
> it would be a shame to ruin some good magnets that I could use for other
> things.
>
> Thanks
> Darren Hesford
> darren@dhesford.freeserve.co.uk
> Try a machine shop that has an EDM machine to put a hole in a
neodymium magnet.
Ron
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