What's this design for? Do you work for a semiconductor equipment company? Just asking... I'm familiar with wirebonders and diebonders. We have all sorts of XY tables. Anyway, if you're concerned with magnetic attraction but don't want to sacrifice stiffness, aluminum is always the choice...
Delrin is not wood like. It's plastic. Exposure to ultra-violet is not that recommended because it breaks down after some time. There's a table in RS components catalogue that provides some rough comparisons between plastics (<A...
You would also need the root diameter. You would then know the tooth height after subtracting the diameters and dividing by 2. You can establish the tooth profile whether it is of the snub tooth type or the normal type. The tooth height is the total of your addendum and dedendum. From here...
