What is acceptable straightness and parallelism for machine frame.

[RaindeerGames]

Hi all.

I've done some googling but the answers are all over the show. I want to build another centroid cnc machine wotj truni9n 4th axis and I can get a very nice bare cast iron frame that I can then fit rails and everything onto it myself. The seller guarantees 0.01mm straightness and parallelism on the frame.
I know that final product comes down to how much time I spend on it and the quality of the rails and balls screws but is 0.01mm acceptable starting point for a fully machined frame?

Regards
Reinier

[suntravel]

If it is really within 0,01mm you can be very happy.

Uwe