Thanks for the Zapp link - you did me a good turn, as suitable ball nuts are on special offer there at the moment. They are specified as identical to...

Any one know the original supplier of the ball screws that Stepcraft use?

OOPS!! Typos galore. Thanks Worldhusky for that link - fascinating how some of these oddities arise. Peter

Hi, Sorry - I've been a bit lax in my terminology, I written lead screw on occasions when I should have said ball screw. I think lead screw is pro...

Hi Finch So Stepcraft use a non-standard lead screw - that's a bummer!! It looks just like the Eichenberger ones too. I guess any new screws wo...

Hi, I'd just found Moore myself - looks promising. I'll fire off an email to Moore expressing potential interest and see what they can offer in ...

Hi Wow!! A solution at last perhaps. I wonder if the original Stepcraft ballscrews can be retained or if they would need to be replaced - hopeful...

Hi Per, Thanks for your comments - perfectly sensible. I had checked the MDF spoil board before I started the clock, and amazingly it was flat t...

Hi Per, That's about as close as I managed, though I haven't measured mine directly!! I've been making some gears for a wooden clock recently, a...

Well, we have had continual y axis jams as a result of the bushing system. And attempted, I think 8-9 large 3d prints with around 6 rolls of pla.... n...

What would be ideal would be to replace the nuts on the leadscrew with ball nuts - trouble is that these are really expensive items!! They would not...

Click on one of the little green sided boxes at the left of the "screen" - they let you see your project from different sides or from the top.

Can you release the setscews in the coupling sleeve between stepper motor and leadscrew - you might be able to gain a mm or so there before tightening...

I was only thinking of the double sided as an alternative to the cyanoacrylate. The "Diall" tape I used is fine at room temperature but looses th...

Just to complete the picture, I've done some more tests to find the repeatability and hysteresis of my homemade probe. I used a 10:1 lever arrangem...