Although my CNC is not DIY (It is a Onefinity X50 CNC router), everything else is, and I thought two of my recent projects might be of interest to others.

I felt the original Z axis assembly was one of the weaker areas of the overall machine, so I set out to design and build a new one based on linear rails and guides.

Here are a few videos that cover topics related to the new DIY Z axis assembly:

Z axis assembly -

Constant force spring spindle counterbalance -

Multi-axis cable carrier -

Here is a video that describes the design, components, machining, and initial testing of my DIY floating ATC dust shoe: