Cnc crafting

Circuit Break Podcast #352

CNC Crafting

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November 16, 2022, Episode #352

Stephen starts his new CNC build and discusses machining ATP-5 aluminum tool plate! Parker recaps the charity stream and discusses what comes next.

November 5, 2022 – Extra Life Recap

What is next for CNC

  • Parametric cnc model in fusion
  • Changed to a 5×5 cutting surface
  • All 8020 construction with good bit of milled aluminum
  • Added a 40 series table
  • ATP-5 aluminum by vista metals
    • Read the datasheet
    • Precision tooling plate
    • Cast aluminum 5000 series
    • Can be welded and about 5% lighter
    • Excellent corrosion resistance
    • RMS value of 15 to 20
    • Thickness tolerance of +/-0.005
    • Good flatness tolerance 
  • Building up Z axis after the pod
  • Next steps: 
    • Finish drilling and tapping all the holes
    • Buff all of the surfaces with scotch brite wheels
    • Anodize

About the Hosts

Parker Dillmann
  Parker Dillmann

Parker is an Electrical Engineer with backgrounds in Embedded System Design and Digital Signal Processing. He got his start in 2005 by hacking Nintendo consoles into portable gaming units. The following year he designed and produced an Atari 2600 video mod to allow the Atari to display a crisp, RF fuzz free picture on newer TVs. Over a thousand Atari video mods where produced by Parker from 2006 to 2011 and the mod is still made by other enthusiasts in the Atari community.

In 2006, Parker enrolled at The University of Texas at Austin as a Petroleum Engineer. After realizing electronics was his passion he switched majors in 2007 to Electrical and Computer Engineering. Following his previous background in making the Atari 2600 video mod, Parker decided to take more board layout classes and circuit design classes. Other areas of study include robotics, microcontroller theory and design, FPGA development with VHDL and Verilog, and image and signal processing with DSPs. In 2010, Parker won a Ti sponsored Launchpad programming and design contest that was held by the IEEE CS chapter at the University. Parker graduated with a BS in Electrical and Computer Engineering in the Spring of 2012.

In the Summer of 2012, Parker was hired on as an Electrical Engineer at Dynamic Perception to design and prototype new electronic products. Here, Parker learned about full product development cycles and honed his board layout skills. Seeing the difficulties in managing operations and FCC/CE compliance testing, Parker thought there had to be a better way for small electronic companies to get their product out in customer's hands.

Parker also runs the blog, longhornengineer.com, where he posts his personal projects, technical guides, and appnotes about board layout design and components.

Stephen Kraig
  Stephen Kraig

Stephen Kraig is a component engineer working in the aerospace industry. He has applied his electrical engineering knowledge in a variety of contexts previously, including oil and gas, contract manufacturing, audio electronic repair, and synthesizer design. A graduate of Texas A&M, Stephen has lived his adult life in the Houston, TX, and Denver, CO, areas.

Stephen has never said no to a project. From building guitar amps (starting when he was 17) to designing and building his own CNC table to fine-tuning the mineral composition of the water he uses to brew beer, he thrives on testing, experimentation, and problem-solving. Tune into the podcast to learn more about the wacky stuff Stephen gets up to.

Special thanks to whixr over at Tymkrs for the intro and outro!

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