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  • Users: wroberts
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  1. wroberts

    A356-T6 Aging at elevated temperatures

    I'm working with A356-T6 Al that has a normal operating temp of 100 degrees C but can go up to 200 degrees C for at most 10 minutes at a shot. My ASM Book Aluminum Alloy Castings Properties, Processes and Applications book has a table (D4.26) that shows 356-T6 material properties at elevated...
  2. wroberts

    interference Fit for Rubber

    I have a little rubber boot made of Nitrile, that I'm designing, that fits over a plastic cover for an electrical connection. What type of interference values should I use to keep it on the cover. Thanks, Will
  3. wroberts

    Interference Fit for Rubber Parts

    I have a little rubber boot made of Nitrile, that I'm designing, that fits over a plastic cover for an electrical connection. What type of interference values should I use to keep it on the cover. Thanks, Will
  4. wroberts

    I deas has been bought by Unigraphics!

    It's true... www.eds.com/news/news_release_template.shtml?rowid=2024 www.mcadcafe.com/NEWS/CorpNews2/20010523_zzz_eds.html I can't believe it. Will
  5. wroberts

    TPE - how to remove gating

    I'm switching the grommets that we design from a rubber material to a thermo plastic elastomer with 400% or so elongation. My question is how do I mechanically remove the gating after the mold opens. Presently the rubber that we use is hand trimmed. Are there any manufactures, tooling companies...
  6. wroberts

    Finaprene-any advice?

    Within the next couple of days I will try molding some grommets out of a product called Finaprene (www.autofina.com) it's a thermo plasic elastomer. We like the %elongation we can get and the regrind abilities. However no won here has ever used this material. Is there any additives, molding...
  7. wroberts

    Finaprene-any practicle injection advice?

    Within the next couple of days I will try molding some grommets out of a product called Finaprene (www.autofina.com) it's a thermo plasic elastomer. We like the %elongation we can get and the regrind abilities. However no won here has ever used this material. Is there any additives, molding...

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