Jeshua Lacock wrote: > Greetings, > > I am upgrading my machine to handle a full 4x8 foot board of material (and 5 > feet of Z!). The new table is 5x9 feet. > > I just received my 3-meter 25mm supported rails and 25mm C7 ballscrews. > > I am sure with a 10-foot span that the horizontal ballscrews will sag a > little from gravity. Is this much of a concern? Does anyone know of a trick > to put some kind of support in the middle of the span? I can't think of any > practical way. > > Apply tension to the screws through the frame of the machine?
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