TESA-SCAN 50 Plus - Teknikel

P-14
V ISION S YSTEMS
TESA-VISIO OPERATING PRINCIPLE
The Vision technology consists in
inspecting a test object lying on a
glass plate support by means of an
optical system fitted with a camera
besides additional zoom-like lenses.
Since this technology is based on
image analysis, light illumination of
the part being inspected is crucial.
For this reason, three different light
illuminations will be used :
Diascopic illumination mounted
under the glass plate, making it
possible for the user to view the
part profile.
Ringlight for a detailed visualisation
of the upper surface of the
part being checked.
Coaxial light to view inside
a blind bore or a cavity or
to measure cylindrical parts
in upright position.
The laser pointer serves for locating,
at a glance, the measurement area
on the part lying in the object field of
the camera. Using beam separators,
the coaxial light can pass through
the zoom.
Laser pointer
To host computer
CCD colour camera
Beam separator
Coaxial light
Ringlight
Zoom
Part to be measured
Diascopic
illumination