Uploaded April 2026 | Updated September 2026, 3 weeks ago

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In this step you’re installing the Y-axis drive.

This is the main hub for movement. This system needs to move freely but stay under tension so pay careful attention to the assembly process and tightening of components.

Tip: Be mindful of the right and left hand tension brackets.

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Next Step: "Z-Axis Assembly"
youtu.be/h3RGQ5TI6Yg

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Learn more
Videos act as overviews for the assembly process, and were built to supplement online instructions. Be sure to watch this video AND read any appropriate online instructions. A parts list for your AltMill 4x8 will be online too.

AltMill 4x8 Assembly Help: bit.ly/41yb2Si
AltMill 4x8 Product Page: bit.ly/3PwRv25
gSender CNC Interface Software: bit.ly/4bFUgXl

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