Quote Originally Posted by Jonathan View Post
The way you've mounted the bed looks a little weak to me. The bed box section could rotate about the fixing 'rails', so the end fixity is poor, which means the bed itself will sag more when a weight is placed upon it. You could instead bolt the bed frame directly to the machine frame.
I was thinking about that, bolt bed directly to the frame
but then I have to make the bed a very accurate, This means that zero play between the bed and frame
I chose the easy way, the bed pulls out like a drawer and can have a few mm error