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Thread: CNC copper enclosures

  1. #11
    Join Date: Apr 2015

    Location: Central Virginia

    Posts: 1,736
    I'm Russell.

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    Quote Originally Posted by RothwellAudio View Post
    You need a ferromagnetic material to shield against magnetic fields - ie something a magnet will stick to. Copper won't shield against magnetic fields.
    That makes real sense! I’ve learned something.

    Russell

  2. #12
    Join Date: Mar 2017

    Location: Liverpool

    Posts: 766
    I'm Sandro.

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    really nice
    2 or 3 snags
    USA custom charges
    Cooper tarnish and turn green
    Size to small
    I would like one like it for the Paradise

  3. #13
    Join Date: Mar 2017

    Location: Liverpool

    Posts: 766
    I'm Sandro.

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    Gogle up Mu metal film for shield

    PS paradise do not need much my is on open air waiting for box it has been 5 or 6 months and I am still looking for one

  4. #14
    montesquieu Guest

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    Quote Originally Posted by Bksabath View Post
    really nice
    2 or 3 snags
    USA custom charges
    Cooper tarnish and turn green
    Size to small
    I would like one like it for the Paradise
    Looking this up there are places in the EU doing 3D printing with metals including copper, maximum size for the one below isn't very big (88 x 88 x 125mm) but there must be people doing a bit larger.

    https://i.materialise.com/en/3d-printing-materials

  5. #15
    Join Date: Feb 2008

    Location: Near Accrington, Lancs, UK

    Posts: 307
    I'm Ralph.

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    Good quality mild steel will do the job nicely.
    Ralph.

  6. #16
    Join Date: May 2016

    Location: Much Wenlock

    Posts: 1,522
    I'm Gary.

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    If you want one purely for the looks get a steel one and get it plated, gold plating looks really good

  7. #17
    Join Date: Mar 2010

    Location: Sheffield

    Posts: 2,898
    I'm Simon.

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    For magnetic shielding you actually need a material with high magnetic permeability, for example mu-metal, which is much less 'magnetic' that mild steel.
    Kuzma Stabi/S 12", (LP12-bastard) DC motor and optical tacho psu, Benz LP, Paradise (phonostage). MB-Pro, Brooklyn dac and psu, Bruno Putzeys balanced pre, mod86p dual mono amps, Yamaha NS1000m

  8. #18
    Join Date: Apr 2009

    Location: Melbourne

    Posts: 166
    I'm Alex.

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    You could line the inside of the enclosure with a Mu-Metal Mesh which are connected at all sides (like a Faraday Cage)

  9. #19
    Join Date: Mar 2017

    Location: Liverpool

    Posts: 766
    I'm Sandro.


  10. #20
    Join Date: Jan 2009

    Location: Essex

    Posts: 31,850
    I'm openingabottleofwine.

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    Mu-metal is very sensitive to shock, and looses its shielding properties near to where it has been cut and/or bent into a tight radius.

    This might be a better choice: https://www.amazon.co.uk/YSHIELD%C2%...7WKBKTVJ1RADM3
    Barry

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