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@Eldon_Joh: Thanks for the added information. Very encouraging. Have you thought about changing to larger bearing balls in your blocks to increase the preload? I have read of others doing it but,...

@Eldon_Joh

I don't understand the flat plate on the bottom.
What you want is another closed box about the same size and shape as the Z column.


I went through several iterations looking for...

Took a while to get back to this. The mill is intended for "hobby" use, primarily machining of aluminum. The design is somewhat constrained to components that I already have and the fact that I do...

Working to refine design. Questions originally posed remain.

That was just a detail. Here is a more complete view of the proposed box structure.

Any further suggestions and insights regarding my questions would be appreciated.

In the process of designing a small, precision 3-axis mill for processing aluminum. While I can do FEA to evaluate most any design feature, it really is not a substitute for experience. I have seen...

Just recently acquired a set of nice, though dated Super BL P50 servos and amplifiers.

I am now looking for the user manual and related setup software for the Model PV2 amplifiers. The full...

Check out XZero. They have a forum here.

Many of the small Chinese CNC Routers, typically the 6040s, spec a 110v version for the US market. These include a 800W Spindle & 1.5KW VFD.

But, I have not been able to get an answer whether...