| Profile
can Control Location of Irregular Features
Last
month's Tip illustrated how to control the size and form
of irregular and complex features using a Profile of a Surface
control without datum references. This type of feature may use
either Profile of a Surface or Position to control location
and orientation relative to datum references. On the drawing
below, the upper segment of the Profile of a Surface callout
controls the location and orientation of the hex with respect
to the datum reference frame established by A, B and
C.
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The figure shown below is a possible gage
that might be used to inspect the 0.4 profile tolerance.
The values shown are theoretical design values which do
not include gage tolerance and wear allowance. |
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