Tuning a Cheap Ball Screw (2 methods of nut overhaul)

In this video, we tune-up a cheap Chinese ball screw from the CNC build. We try two methods and conclude the best involves a dismantle, clean, and reassemble...
This one is a rolled screw with a 5mm pitch. It was from the ebay seller "linearmotionbearings2008". The ball bearings benefited from a good clean, stopping excessive wear and jerky linear motion.

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