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Recent content by lylek

  1. lylek

    HVOF Coating Thickness

    Thanks for all the replies so far. From this and other work I've done I can see that there is quite a varied opinion on coating type, mix and thickness from the powder suppliers, coaters, OEMs right through to end users - all presumably based on experience good, or bad with particular types...
  2. lylek

    HVOF Coating Thickness

    I've been looking into hardface coatings on pipeline Ball Valves and was wondering what the typical coating thickness was for HVOF Tungsten Carbide on balls and seats. Are there specific minimum/maximum coating thickness limits that give the best performance? Does the thickness put down depend...
  3. lylek

    Ball Valve Seat Geometry

    I'm looking into differences in ball valve design, especially with respect to Ball/Seat combinations in metal sealing applications. From what I have seen to get bubble tight sealing, balls are match lapped to their seats, but is it usual to start with a seat which has an initial spherical...
  4. lylek

    success with rivatuner!

    Is this likely to work for a GeForce FX5600SE card on a PC running XP?
  5. lylek

    ZEMAX Exporting to SW

    We regularly transfer files from Zemax to Solidworks - and back again - without much problem. I've found that IGES seems to be the best method for what we're doing but this isn't based on any extensive investigation, simply that compared with STEP files they seemed to load quicker. We have...
  6. lylek

    Measuring Projector Light Output

    I'm looking for a way to measure the light output in lumens from a projection system. Any suggestions?
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