Saturday, November 16, 2013

Poor man's lathe.

For a new experimental 3d printer project I've been casually working on, I needed some pulleys for belt idlers.  I decided to try to turn my own from 608 bearings.  Since I don't yet own a lathe, I came up with the following method using a rotary tool and drill press...


Required hardware: 5/16th rod + 2 nuts, two washers that cover the entire face of the bearing (this will hold the bearing in the drill press) and a thick abrasive disc for shaping the bearing.



Bearing held in drill press.


Beginning to shape the bearing as it spins on the press...



The result:  a (rough) pulley bearing!


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