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 - https://youtu.be/zr7uAljc3Ak
Constant force spring spindle counterbalance - https://youtu.be/oX-aZWs6uys
Multi-axis cable carrier - https://youtu.be/my8iwtKcWKs
Here is a video that describes the design, components, machining, and initial testing of my DIY floating ATC dust shoe:
https://youtu.be/s_ItrmraiKE