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End-to-end tutorial on how to modify China 3020 desktop CNC machine to professionally mill PCB with 10mil tracks tolerance.
Part 3
Inspecting modified China 3020 CNC machine, best practices, chosen solutions pros and cons
00:00:01 T8 lead screw replacement to 1204 ballscrew
00:02:44 Ready-made components from Aliexpress
00:03:34 How to replace ball screw support bearing with maximum tolerance.
00:06:29 Everything about 3020 Electronics
00:08:54 Z axis and spindle overview
00:12:32 PCB material standardization benefits
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