keyway

I need to build a replacement axle for this amusement park train ride, and it’s pretty straightforward, except for the method which was used to key the wheel to the axle. I have a couple of ideas on how to pull this off, but wondering if anyone here has done this before ? or has similar...

As part of my CNC Lathe build, I need to install some pulleys on the spindle drive. The easiest method for making a key way in a pulley is to broach the feature into to part. I'm facing two challenges in using this traditional method: no arbor press and no broach tooling. O.k., alternative...