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This was my fear, I think I have talked myself out of the idea at this point.

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Fair enough!

I appreciate you response, I recognize that 8030 is not ideal, but if you reference my original post I chose them because they give me needed flexibility. I intend to fill the frame with concrete so...

Here are the updated drawings using 6030 T-slot and 20x17mm rail with two carriage block each side (4 per axis). Shown are the usual Chinese ballscrews (400mm Z and 600mm X+Y) and some 4mm aluminum...

To increase rigidity you must decrease torque where linear guides mount to frames. You also need to increase the distance between two sides of structural beams. What this translates to is reducing...

Already fixed that, I have linear rail in hand now. that's just a layout drawing. The most important thing for any machine is a strong foundation. It makes no sense to spend hundreds on linear rails...

Hello all, I am slowly building a CNC Mill about 12x10x5" in size. I would like to use aluminum extrusions as they offer me the most flexibility because I intend to modify the build as I go, and...