Jonathan
Reading more and more post I find my self thinking o's##T what have I let my self in for

I really thought 20 mm rails for the bed would be more than ample to carry the weight of the whole cnc machine

two 20 mm rails (made from 304 stainless steel) and four bearings mounted on the 90 degree side of 40/80 profile aluminium extrusion
and a centre ball screw (centre of the bed) 0f 16 to 20 threaded bar


where on earth do you all get your aluminium from as I have ordered of ebay, it arrived today so bent it is unusable

James & Luke