pulling gear on Keyang motor??

[artdutra04]

Originally Posted by Jeff Waegelin

You could always try using a pulley large enough to machine a coupler out of the center. It's not the easiest thing to do, but you could make a hole the same size and shape as the output gear, and just press the pulley on to the gear.

This works really well; last year 228 machined a custom aluminum coupler for the window motor (as seen in the photo below). It took a long time to machine it manually, but I wouldn't hesitate doing it with access to CNC milling (which I have here at WPI ).