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Backlight illumination measurement – optical profile projector principle

The method is based on capturing image in backlight illumination. Our solution applies the principles of optics to the inspection of manufactured parts. In a comparator, the magnified silhouette of a part is projected upon the screen, and the dimensions and geometry of the part are measured against prescribed limits, or the working standard (the so-called profile projector principle). The captured contours of the object (edge) then serve as the basis for evaluating the desired parameters.

Normally, the system is used for 2D tasks, while 3D systems can also be used simultaneously.

Measurement can take place in rotation, linear motion, or static position of the object.

Typically, this method is used to measure and control rotational products, wear tools, check the correct shape, etc.

Measurement accuracy is up to ± 1 μm.

Selected solutions for this method:

Profile measurement in backlight illumination

OpaSol is a measuring station used for contactless measurement of dimensions of components.

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Tube membrane control system

This type of equipment is primarily used to check cracks and holes in the membrane.

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Cylinder measurement and control

Measuring stations used for contactless 3D measurement of cylindrical parts.

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Quality automatic control of small transparent products

Camera systems designed to accurately measure small products with a high clock requirement of up to 10 ppm.

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Measuring components in backlight illumination

The solution is a measuring station used for contactless measurement of components and their quality assurance testing.

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Tube body defects control system

This type of equipment is primarily used to check cracks and holes on the tube body, especially in aluminum and plastic tubes.

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Tube printing control system

This type of equipment is primarily used to check printing layout on aluminum and plastic tubes.

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Sealant application control system

The device is primarily designed to control the application of sealing material inside aluminum tubes.

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