I used some of the cutoff angle iron from the frame and made some braces for the legs – worked wonderfully and now the saw rolls well in all directions with no sag or bending. The legs on the frame were already braced in one direction so I just needed to add one set of braces. If you use a bed frame look at the bracing before you get the saw on top, it would have been much easier to brace these when I had more room to work.
Notice the bent leg in the upper right corner of the pic above to see what I mean.
the pic below shows the bracing.
-- You cannot build a reputation on what you are going to do. - Henry Ford