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Metal or plastic case

Discussion in 'Misc Electronics' started by terry, Nov 9, 2004.

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  1. terry

    terry Guest

    Hi,

    Could anyone give me information of roughly the price to make a case
    for a device which is about 6cmx6cmx3cm and has 2 retangular holes and
    one circular hole.

    Which one is cheaper if the case is plastic or metal?

    The quantity is about 500.

    Thanks!
     
  2. Quack

    Quack Guest

    www.emachineshop.com, learn it within the hour and get instant online
    pricing.

    This assumes that you want to draw up the exact model yourself. If you
    want a 3rd party company to lay out the details and then make it, your
    looking at a lot more. But if its simple enough, i like these guys.

    Alex.
     
  3. CWatters

    CWatters Guest

    Buy off the shelf cases and have them modified. I doubt there will be much
    price difference for the machining.
     
  4. terry

    terry Guest


    I am not going to make prototypes but production items. So I need the
    price reference.
     
  5. CWatters

    CWatters Guest

    500 is quite a low volume for a production item. If you want a custom
    designed case then the biggest cost factor for plastic will be tooling.
    Could be $10,000-$15,000 dependant on the exact design details. With metal
    you might stand some chance of making a case by folding which needs far less
    tooling - more like $1000-$2000. If you want real quotes sketch a design
    and send it to manufacturers.

    Is EMC is an issue? Its easier to solve this with a metal case than to try
    plating/coating plastic.

    For 500 off I would still look at modifying an off the shelf case. Standard
    catalog items can look very boring I know but there are some reasonably
    smart designs out there that use aluminium extrusions to good effect.
     
  6. terry

    terry Guest

    Thnaks! Vut I want a little more references! Any similar web links?
     
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