Thermal Displacement of Cantilever Beam

original 7/12/2004
new numbers for the stem geometry 7/8/2005

Tip displacement from differential edge change

Rederived 2005 for a right triangle, same formula.

permitted displacement

short axis, new 2005 number

Long axis, new 2005 number, from kinematic support to opposite ladder end

coefficient of thermal expansion, between invar and super invar,
carbon composites are better than invar so this may be a reasonable number. Same number for CTE as specified by Eric Anderssen in 2005. This does require attention to fiber placement and composite mix.

Allowed temperature variation, one side to the other

temperature variation for 10 micron displacement.

Length change

permitted z displacement

permitted temperature change