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  1. Replies
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    Re: Seeking assembly suggesitons

    If it works and is cheap are you not in production nirvana? However, there are optically clear resins used to seal LED displays and lights, you could throw away the 'window' and just syringe in some...
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    Re: All opinions welcome

    Thanks guys, I now stand on a better footing with this information. I suspected there was more to it than 'the settings' and quite obviously there is. I will ask the questions you have asked me and...
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    Re: All opinions welcome

    Since you all have taken the time to reply I will give you all I know about this problem.

    The part is a small component that has some critical dimensions that mate to other parts, so long as these...
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    Re: All opinions welcome

    Good question, yes a hydraulic press, it seems that we will have months of good parts then a bad run. They are made in batches of 100,000 (small parts). The entire batch will be bad. These are small...
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    All opinions welcome

    OK, so a hypothetical (or not) question.

    Say we have an injection molding machine we use for the same mold, that machine has the program for the settings run every time, no changes made ever, we...
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    Re: Can anyone ID this for me?

    Yes, as moulded. The rest of the part is good quality, what we would expect, just this inner feature is failing. The mould core is used for this feature and is a dead end with no vents.
    This is what...
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    Re: Can anyone ID this for me?

    I should add this tubular part is about 12mm in diameter and 1.9mm wall thickness and is an elbow type fitting 50mm x 40mm approx.
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    Re: Can anyone ID this for me?

    Bigger view
    103
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    Can anyone ID this for me?

    This is pbt/gf looks like the glass is present but not the PBT, anyone know what causes this?
    102102
  10. Re: How to test flexural modulus (3-point bending) on cylindrical parts?

    Hi, I'm not an expert on this so take this for what it is worth. I was under the impression that the material used in these tests has to be made to the specifications in the standards. So a rod or...
  11. Re: Compounds/Additives/Etc in Resins and their purpose

    Antibac? An antibacterial additive for medical components?
  12. Thread: PBT question

    by Qanalyist
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    Re: PBT question

    Well, apart from cleaning it nothing is happening after 24 hours. Part seems to be resisting, vinegar is still clear with no sign of decomposition.
  13. Thread: PBT question

    by Qanalyist
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    Re: PBT question

    Is that the stuff you were talking about here in post 3?
    http://www.injectionmoldingonline.com/forum/showthread.php?t=79&highlight=pbt+30gf+cracking
  14. Thread: PBT question

    by Qanalyist
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    PBT question

    Hi all first time post, but have lurked for a while.

    You have some good stuff on here so I think you guys might know this one:

    PBT-30GF, overpacking, I have read here that a catalyist solvent...
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