Saturday, February 09, 2008


Easy couplings

The little Jameco #237818 bipolar stepper that I am trying to use in my Tommelise 2.0 design is great, except for one little thing, viz, the drive shaft size.

At 0.8 inches (2 mm) it is deucedly difficult to attach anything firmly to it. Last week, I simply tapped the end of my #10-24 threaded drive rod and epoxied the stepper drive shaft into it. While that works, I'm not all that happy with the result.

(Read the whole story)

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