I think I will stick with two welds, nothing across the face of the tube. That is where I got into trouble the first time. the spacer will eventually get drilled and tapped so I can bolt the ball screw bearing blocks to them so there is a small amount of force applied but nothing I dont thing a coup...

I figured that it would pull but I need to try and minimize this as much as possible. Here are some pictures of what I am doing. Here is the new pieces. the filler rod is 1/8" IMG_0367.JPG This is the one I tried welding that warped. I cut the welds out with a mill and knock the spaced of, thus...

Hello, I am hoping someone could give me some pointers on this. First off I am building a CNC mill, nothing too fancy 30X20 cut area. Moving gantry etc. I mainly want it for cutting .5 and less aluminum plate to make parts to weld. I have finished the base all .25' wall steel tubing fit and welded w...