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Thread: aluminium

  1. 19th October 2010, 07:40 PM #1
    Ash240
    Ash240 is offline Member
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    Default aluminium

    I need to make some heatsinks consisting of 60-65mm ID tubing and a 6-10mm circular insert. At the moment I am looking for price ranges of what I should expect to pay and Adelaide suppliers OR interstate if they are reasonably priced.
    I'm going to probably make 30ish so I am not after huge lot.
    Planning to cut the circles with a hole saw on a drill press and possibly sanding.
    An aluminium leg will be threaded into the plate.
    The external finish is likely to be powder coating if it's cheap enough. If not paint.

    thanks
  2. 19th October 2010 07:40 PM # ADS
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  3. 19th October 2010, 09:00 PM #2
    Graziano
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    Here's a good article about heatsink design before yoo start powdercoating: ESP - Heatsink design and transistor mounting
  4. 19th October 2010, 09:55 PM #3
    Ash240
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    For my use it's not a problem. I may do another finish depending on price but the size is dictated by the fitting I need, not thermal load. With Air flow I can get away with one or two Square cm as a minimum.
  5. 28th October 2010, 11:55 AM #4
    Bidgee
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    I buy from these blokes a bit and have found them good.Performance Metals Australia- Home Page

    Scott
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