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  • Users: sethgus
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  1. sethgus

    Constant Force vs Displacement Spring?

    Besides a Nickel Titanium spring (which is not accurate in saying constant force vs displacement), are there any combinations of springs or designs of springs that would equate to a constant force vs displacement. I was thinking conical spring but I'm not sure this is what I'm looking for. I...
  2. sethgus

    Help!!! DXF (from Inventor) to Pro-E solid

    Ok here's the deal...I may be the only one that does this kind of thing...but anyway...I imported a DXF file (from my customer), I believe from Inventor, into a Wildfire part. It comes up great and even has surfaces that looks like exactly what I'm supposed to get (a 3D Airbus jet)...however I...
  3. sethgus

    NPT size for 7500 psi??

    I need a larger NPT hole than 1/2" for a 7500 psi. We have been testing at 4500 psi with a 2" NPT (fill with water). But now we are testing at 7500 psi. I know API says 1/2 NPT for 10,000 psi, but is there any other spec I can use for a larger NPT at 7500 psi???

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