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  • Users: Gerard-E
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  1. Gerard-E

    machined PVC with groove = bending/warping problems

    Hi all, We are trying to machine a 1inch thick, grey PVC part that is 8in wide by 36in. It is a simple rectangle with a few 1/4in thick grooves that go about 1/2deep and run all the length of the part. When we received the PVC sheet, it was slightly bent and made a banana in the length. We...
  2. Gerard-E

    copper blackening

    Hi, I am trying to blacken a copper strip (will probably come in reels, which also makes this more difficult). I know this can be done by a number of different methods, but I need something that can keep surface electrical conductivity after blackening. This seems much more difficult to...
  3. Gerard-E

    crosshead extrusions

    Hi all, Does anyone know of companies that specialize in really small plastic crosshead extrusions? (to make a plastic and copper part) Thanks G
  4. Gerard-E

    Vault file organization

    Hi all, I recently started working for a company that has a rather odd way of organizing files in their vault. There is a parts folder, where all the part folders are organized by numbers with their respective files inside. Problem is, they don't seem to work much with assemblies, and so, there...
  5. Gerard-E

    miniature crosshead extrusion

    Hi all, For months now, I have been trying to find a supplier to make a fairly simple but small plastic profile with a copper insert. Most extruders don't seem equipped or willing to work on a part this size. We are talking about a 1/4in wide, by 0.055in thick plastic profile, with a copper...
  6. Gerard-E

    co extrusion question

    Hi all, I am trying to find some information on copper + plastic coextrusion. Can anyone explain how this process works? Is the copper inserted in the plastic channel after it is extruded? I have samples where the copper is loose and free sliding inside the plastic, which suggests it is not...
  7. Gerard-E

    coextrusion

    Hi all, I am trying to find some information on copper + plastic coextrusion. Can anyone explain how this process works? Is the copper inserted in the plastic channel after it is extruded? I have samples where the copper is loose and free sliding inside the plastic, which suggests it is not...

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