Cutting a keyway into a motor shaft

[b264]

These dutch pins involve milling into the shaft, and it’s really hard, but doable. Go really, really slow.

Motor discussion: the best and worst of it all

@Battosaii it’s been my experience that every motor has that problem eventually, and using Loctite 290 helps but only prolongs the failure. But there are ways to get around that. I’ve been pinning my motors with either 1) roll pins, 2) keys, or 3) dutch pins. The dutch pin and roll pin work better than the key way as they hold against slip in two axis instead of just one. The dutch pin (3) seems to be the best. roll pin [20190710_114113] key [20190716_195730] [20190717_124457] …