Alignment marks VELO

1
Alignment marks VELO
Top
Outer and inner frame for C-side
rotm
rotd
rotu
ritu
ritd
Upstream
Downstream
rimd
rimm
ribu
ribd
robu
robd
Bottom
Data points are plotted on a grid where the
design values are at the grid points( like
-2,2,3 for the center frame point rotd, and
-1,1,2 for the alignment frame point
ritd). Data are plotted such that for the
deviations holds 1 unit corresponds with 1mm.
2
Alignment marks Center and Inner frames
3
View along beam direction (x-tilt)
4
Topview (showing opening)
5
Side view (showing y-tilt)
6
All three photogrammetry measurements
7
Topview
8
Sideview
9
Theodolite and photogrammetry
10
Topview
11
Sideview