Uploaded May 2026 | Updated September 2026, 2 days ago
In chapter 1 lesson 2, we build on machine anatomy by exploring how CNC machines move in space and how that directly impacts your designs.
We’ll break down the X, Y, and Z axes using the right hand rule, and show how the spindle and table interact to position the tool and material. From there, we’ll introduce three axis, four axis, and five axis machining, and how added rotation increases complexity while reducing setups and improving tolerances. Most importantly, we’ll explain the concept of the machine’s work envelope and why it defines the maximum size and reach of your part.
What you’ll learn in this episode:
• How CNC machines use X, Y, and Z axes to move in space
• The right hand rule and how machines interpret direction
• The difference between three, four, and five axis machining
• What the work envelope is and why it matters for your designs
• How machine limits affect part size and accessibility
By the end of this lesson, you’ll understand how machine movement and reach define what’s possible, helping you design parts that fit within real world manufacturing constraints.
⏰ Timestamps ⏰
00:00: Intro
00:11: Understanding the Coordinate System and Axes
01:08: The Right Hand Rule for Axes Orientation
02:04: Basics of 3-Axis CNC Machines
03:02: Adding Complexity: 4-Axis and 5-Axis Machines
03:31: Defining the Working Envelope
04:00: Benefits of Higher-Axis Machines
04:59: Gantry vs. Moving Table Setups
05:28: Implications for Part Size and Manufacturing Efficiency
06:03: What you'll learn next lesson
Stay tuned for more SendCutSend Education.
Want to rock the same gear as Jake? Grab your SendCutSend merch here: store.sendcutsend.com
Custom sheet metal manufacturing and processing. From prototype to large production runs, get sale and assembly ready custom parts shipped in as little as 2 days; No minimum quantities; free US shipping on orders over $39; made In the USA: bit.ly/4dwW6rU
Follow us on Instagram: instagram.com/sendcutsend
SendCutSend Education was filmed by Keaton Bowlby.
In chapter 1 lesson 2, we build on machine anatomy by exploring how CNC machines move in space and how that directly impacts your designs.
We’ll break down the X, Y, and Z axes using the right hand rule, and show how the spindle and table interact to position the tool and material. From there, we’ll introduce three axis, four axis, and five axis machining, and how added rotation increases complexity while reducing setups and improving tolerances. Most importantly, we’ll explain the concept of the machine’s work envelope and why it defines the maximum size and reach of your part.
What you’ll learn in this episode:
• How CNC machines use X, Y, and Z axes to move in space
• The right hand rule and how machines interpret direction
• The difference between three, four, and five axis machining
• What the work envelope is and why it matters for your designs
• How machine limits affect part size and accessibility
By the end of this lesson, you’ll understand how machine movement and reach define what’s possible, helping you design parts that fit within real world manufacturing constraints.
⏰ Timestamps ⏰
00:00: Intro
00:11: Understanding the Coordinate System and Axes
01:08: The Right Hand Rule for Axes Orientation
02:04: Basics of 3-Axis CNC Machines
03:02: Adding Complexity: 4-Axis and 5-Axis Machines
03:31: Defining the Working Envelope
04:00: Benefits of Higher-Axis Machines
04:59: Gantry vs. Moving Table Setups
05:28: Implications for Part Size and Manufacturing Efficiency
06:03: What you'll learn next lesson
Stay tuned for more SendCutSend Education.
Want to rock the same gear as Jake? Grab your SendCutSend merch here: store.sendcutsend.com
Custom sheet metal manufacturing and processing. From prototype to large production runs, get sale and assembly ready custom parts shipped in as little as 2 days; No minimum quantities; free US shipping on orders over $39; made In the USA: bit.ly/4dwW6rU
Follow us on Instagram: instagram.com/sendcutsend
SendCutSend Education was filmed by Keaton Bowlby.
