Circuit Break - A MacroFab Podcast

MEP EP#295: Design For Everything

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MEP EP#295: Design For Everything

The DFs

  • DFA - Design for Assembly
  • DFC - Design for Conservation
  • DFD - Design for Documentation
  • DFM - Design for Manufacturing
  • DFP - Design for Production
  • DFR - Design for Repair / Recycle
  • DFT - Design for Test
  • DFS - Design for Safety

    • How to DFX

    • Identify what you are Designing For
      • Perhaps list them based on priority
      • Make a list of all of the items
      • Make a timeline for which DF applies when in the product life
      • Create a list of key design criteria
        • This will vary based on where the product is in the design cycle
        • Schedule specific focused time to have a team review the DF
          • Have the main designer present, but it is best to have other perform the DF checks
          • Have a sign off and circle back process
            • If it passes then have the team sign off and move to the next stage
            • If it fails, have a process of fixing and asses if another full DF meeting is needed
            • Perhaps just a small DF meeting to address one thing
            • At then end of the product design cycle you will have a folder of completed design checks that help validate the release of the product

              • DFA vs DFM vs DFP

              Techniques for making revisions easier

              • Put circuits that you know need adjustment where you can reach them with a soldering iron or a probe
              • 0 ohm resistors
                • Make for very easy configuration changes
                • DNI/DNP - lots of people don't know this is a thing
                • Multiple footprints
                • Parallel components
                • Room for soldering!
                • Test points - different from component terminations
                • Keep lists of things to remove for production
                  • ...more
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                  Circuit Break - A MacroFab PodcastBy MacroFab, Inc.
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