leveling and bore alignment A Flashcards
focusing lens
convex
dispersing lens
concave
telescope sight part used to focus lens
focusing knob
another name for crosshair
recticle
refracted rays leave pentaprism at this angle
90 degree
optical micrometer used for
precision leveling
precision targets used with optical micrometer can read up to
.001
coincidence striding levels are used with
alignment telescope or collimator
used to position targets om bearing bores
target holder
placed at end of alignment telescope to establish a perpendicular plane to the reference line of sight
optical square
lightweight stand accuracy
.02
heavy duty stand accuracy
.001
system to measure large linear distances with accuracies up to .001
alignment bar system
used to establish straight reference line of sight
alignment telescope
used to establish a level plane are used strictly for leveling procedures
tilting level