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+1. I would also be surprised if they are custom made items rather than off the shelf. They are well engineered.
peterg1000 schrieb: On reflection, I'm 99% certain that the ball screw used is going to be a standard off the shelf item, otherwise the tooling costs would have been prohibitive for a startup enterprise. Stepcraft were after all building down to a price so as to gain a foothold in the market.
The picture in a previous link shows the FGR ball nut on a standard Stepcraft ball screw, so I think that makes it almost certain that it's a standard item. Perhaps there is someone in the know who can confirm that.
peterg1000 schrieb: 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 the ones called up in this link .
Could you post a link to the specific ones you got? The Moore site gave you the choice of sealed or unsealed, wasn't sure which one to try, what did you choose?
peterg1000 schrieb: I've just bought a couple for X and Z axes as these are the easiest to work on.
Thats great news, fingers crossed.
finch schrieb: We purchased our Miniature ballscrew from the Uk, we had a mount like that one shown, 3dprinted out of nylon which arrived, and looks great, and fits.
The stepcraft screw, is not designed to have balls in it, so you gonna have to fork out ~200 pounds for a set of 3 custom ballscrews, and then do some DIY to get them mounted
I can post pics of our one, once we have all the bits
Doug schrieb: I'm interested in this modification in the longer term. I haven't even started using my machine yet though!
I could swallow a couple of hundred pounds for a significant upgrade to improve backlash and longevity.
peterg1000 schrieb: Incidentally, could you please let me know the shank size of the old nut - I've guessed at 10mm to take the M6 screw.
peterg1000 schrieb: That looks a really neat job.
I was at an Engineering Exhibition today and learned that CNC4YOU are integrating a wireless control pendant into UCCNC (V1.3xxx?). It will be available in a few weeks once the final bugs are ironed out and testing is completed - so they say.
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