Tag Archives: Wyvern

Wyvern – Frame Design – Day 3

Having realized that SBR20 rails are 45mm wide I scrapped the 80x40x4 box section in favour of 50x50x4 – should have checked that before designing the thing I suppose. I then plugged the figures into the gantry stiffness calculator and, if I understand it correctly, I should be getting a maximum deflection of about 50μm with a …