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Circuit Break – A MacroFab Podcast

EP#366: Laser Cutting Tolerancing

67 min • 17 februari 2023

MacroFab News

  • May 4th, Bringing back the MacroFab meetup.
  • MacroFab moved into the new headquarters and we already produced our first products!

Checker Battery Box

  • Materials arrived Monday, will need to weld it
  • Designing for laser cutting / welding

New Project Car - 2021 Chevy Express 4500

  • RV / Camper / Tow Rig build

The CNC is coming together!

  • Finally got all of the extrusions
  • Been taking my time and savoring it.
  • Have to rearrange basement to get everything to fit
  • 4 rounds of buying hardware
  • What remains
    • Get the drive electronics
    • Get the ball screws
      • SFU2010 - 2000mm and 1950mm for the X and Y axis C7 grade
      • Dual x drive - slave axis
    • Build the electronics cabinet
      • NVEM ethernet stepper controller.
    • Run all of the wire management
  • 8020 3d printed cable management
    • First attempt is good but needs some adjustment
    • Probably too tight
    • Add tabs that will allow you to turn it by hand when in the slot
    • Add some features that slowly allow it to engage with the slot instead of all at once
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