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  • Users: Troy442
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  1. Troy442

    Step 242 files

    I hope I am in the correct area. I did a few stp242 searches and found no results. For generic 3D CAD file outputs, step 203 and 214 are now part of step 242. Does anyone know what advantages were made (if any) on the CNC machining side? As a simple example say a 3D CAD feature is 40mm...
  2. Troy442

    ASME or ISO

    Greetings, I work at a USA based company. Currently we are making parts/drawings with SolidWorks to ASME 2009, 3rd angle projection, in inches. I did pass the GD&T 1994 exam for Technologist Level. Like many companies many of our injection molds are made in China. We are also a 15 Billion...
  3. Troy442

    Starting Datums

    Seems like everytime we have a review of drawings there are many opinions of what the 3 "primary" datums should be. I am looking for some ideas from this group. I have attached a pdf of a single injection molded part. It will be inspected with a CMM touch probe. I have simplified the part...
  4. Troy442

    Y14.8 book worth it for plastic?

    Greetings, Just trying to decide if we need a $72 book. We have the Y14.5 (2009) and Y14.41 (2003) books. I am wondering if the Y14.8 (2009) Castings, forgings, and molded parts-- is of good use? Our company designs all injection molded and roto-molded plastic parts. No cast or forged...
  5. Troy442

    Position-fixed or float with thread cutting screws?

    Greetings, This is my first thread. I have followed the site off and on for years. I have my ASME Technologist Level Certification so I am fairly book smart but not always world smart. I understand the position callout, fixed fastener vs. floating. I understand the bonus tolerance as you...

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