Bi-telecentric system for multiple side imaging and measurement at 90°

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TCCAGE series

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Multi-view

Key advantages

90° lateral imaging
the 4 orthonormal views allow visualization of object features that are hidden when looked at from the top
Long and thin object inspection
the characteristic aspect ratio of the four image segments perfectly fits long and thin objects
Built-in illumination
the device also incorporates two different light sources, for back and direct illumination
Suitable for measurement
the telecentric lens makes this module perfect for any multiple-measurement application.

TCCAGE is an integrated optomechanical system designed to fully inspect and measure parts from the side without any need of rotation. Four orthonormal views of an object are provided by a bitelecentric lens through an array of mirrors.

Each view is exactly at 90° with respect to the neighbouring views; this optical layout ensures complete coverage of the object lateral surface. Furthermore, telecentric imaging makes the system insensitive to off-centred parts and therefore suitable for measurement applications.

TCCAGE is the perfect solution for inspecting parts whose features would be hidden when looked at from the top and for all those applications where an object must be inspected or measured from different sides. Two different illumination devices are built into the system to provide either backlight or direct part illumination.

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Syringe & needle inspection

Application Syringes, Cannulas and Vials

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Last update 05 Sep 2023

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Notes

Sensors with different dimensions may cause incomplete images
Working f-number (wf/N): the real f-number of a lens in operating conditions.
Tolerance ± 2%.
Drop to 50% intensity @ 25°C.
Indicates the availability of an integrated camera phase adjustment feature.

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Technical documents

Product user guide

pdf

Back focal adjustment

pdf

TCCAGE manual

pdf

Working principle

A bi-telecentric lens observes the object from four different positions through a mirror assembly, ensuring that the optical path is the same for all four view points.

The four views are equally spaced by 90° and partially overlapped, obtaining complete coverage of the object's lateral surfaces.

The system can thus tolerate off-centred components without any significant decay of the image quality thanks to the telecentric lens, which ensures that magnification is maintained in each image segment. The system is designed so as to allow components to pass unobstructed through the mirror cage, for inline applications.

When TCCAGE system is used for inline inspection, consider the following minimum distance “d” between two consecutive objects in order to avoid image overlapping:

TCCAGExx048 d (mm) ≅ 25 + ∅ object / 2
TCCAGExx096 d (mm) ≅ 50 + ∅ object / 2

Additional port

TCCAGE is provided with an extra port placed right above the object. This port can be used to inspect the top of the part using an additional lens and camera system (for example a PCHI hole inspection lens, a macro or TC lens). The port can also house other types of illuminators.

Illumination geometry

TCCAGE series integrates both direct and backlight illumination. Direct illumination (yellow cone in the drawing) is provided by a ring illuminator placed on the top of the part that can be used to enhance surface defects.

Back lighting (indicated by the yellow arrow) is obtained by means of a diffuse source which illuminates the object through the mirror system; this type of illumination is suggested for measurement purposes or to inspect transparent objects.