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Step 3Spindle
The spindle is a piece of scrap 20mm steel rod. It was very straight and had been ground and plated, it was rusty in spots but I only needed it to be clean a couple places.
My lathe isn't big enough to turn the whole thing between centers so I used a four-jaw chuck and a sensitive indicator to make things as accurate as I could. I probably used a steady rest as well.
The nose is threaded for ordinary drill chucks. I left a clean bit of the original outer surface for the seal in front of the seat for the lower bearing. The upper bearing has a slightly looser fit on the spindle and has a smaller diameter, and it is held in place with the homemade seal and store-bought bearing nut. The smallest diameter is at the end for the pulley.
My lathe isn't big enough to turn the whole thing between centers so I used a four-jaw chuck and a sensitive indicator to make things as accurate as I could. I probably used a steady rest as well.
The nose is threaded for ordinary drill chucks. I left a clean bit of the original outer surface for the seal in front of the seat for the lower bearing. The upper bearing has a slightly looser fit on the spindle and has a smaller diameter, and it is held in place with the homemade seal and store-bought bearing nut. The smallest diameter is at the end for the pulley.
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