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Lesson 2.3

How to Design for 3 Axis vs 5 Axis CNC Machining

This series was filmed and edited by Keaton Bowlby

In chapter 2 lesson 3, we compare three axis and five axis setups and how they impact part quality, efficiency, and cost.

We’ll explore how multiple setups on a three axis machine can introduce error through repositioning, while five axis machining allows you to complete more features in a single setup. From there, we’ll walk through how part orientation and work coordinate systems change between setups, and why maintaining consistent references is critical for accuracy. You’ll also see how these differences show up in CAM and how they affect programming and real world results.

What you’ll learn in this episode:

  • The difference between three axis and five axis setups
  • How multiple setups introduce error and tolerance stack up
  • Why fewer setups improve accuracy and consistency
  • How to manage part orientation and coordinate systems
  • How machine choice impacts cost, speed, and quality

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