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I think I see where the problem is, The Phase 2 front mount y axis extension spacer 2.5" long piece puts the bearing axis centerline of the .25" mounting thru holes. I think they should be offset...

Thanks for replying Hoss,


I still don't understand what the .125" offset from center-line does.

Here is why i am asking... When the Jam nuts are put on, they ever so slightly rub on the...

Hoss,

I just finished making the Y axis mount from your Phase 2 plans. The center 1.00" hole is .125" off center. Is this by design?

However Your phase 1 plans for this Y axis stepper mount...

I got my VXB AC bearins recently, new out of the bag they feel very gritty. Also they don't look like the same ones from Hoss Dvd plans. I think they changed the inner race material to this red nylon...

Thanks for the reply Hoss! Your build plans have been a big help.


Some more questions... Should the bearing for the Y axis extension block be a slip fit too? My stock G0704 x-axis endplates are...

I just got my C7 ballscrews from Chai, the shafts were turned down to Hoss specifications, however the 7000B Bearings from VXB do not slide on. Seems like the Angular contact bearings inner race is...

I have the same cast pocket. Less to machine for when I add my c7 double nut ball screws. Definitely doesn't look like everyone else's solid saddle.