ma optronic

The ma optronic division of MA micro automation develops image processing and software systems. These are integrated into existing systems or implemented as stand-alone or in-line solutions.

For the image processing systems, we use various components available in the market and work closely with lens and camera manufacturers in order to be able to offer the optimum solution for inspection tasks. This gives us the opportunity to implement stable and proven systems.

These systems can be based on so-called smart cameras, which allow the user to adapt certain tasks through manufacturer-specific interfaces. This allows a comparatively fast development, but the range of functions is limited.

For this reason, we offer a PC-based system for more complex tasks. The actual image processing is implemented in the development environment of the company MVTec Halcon.

If interfaces to other systems are required, these interfaces are developed by ma optronic themselves. The software developed by ma optronic is specially adapted to system and customer requirements. This includes not only the connection to a higher-level MES system, but also a graphical user interface.

ma optronic complies with GMP-compliant development processes in all areas, so that the image processing and software systems developed can also be validated for medical technology applications.

Active Alignment

In this area, ma optronic deals with all tasks that require active alignment of optical components. The ever-increasing demands on optical systems make it practically impossible to install them manually.

Ever tighter tolerances are accompanied by ever smaller components, for camera system components such as those installed in vehicles or mobile phones or optics that form a laser beam today not only require high-precision production, but also active alignment in up to 6 degrees of freedom.

Here ma optronic offers the possibility to automate these processes in a suitable environment (e.g. clean room) with the appropriate equipment and the necessary software.

A classic example of this is the fully automatic mounting of lenses on camera chips, e.g. for driver assistance cameras and other optical components such as projectors, head-up display systems (HUD) or similar.

Optical Inspection

The area of optical inspection is divided into the following areas:

Measurement

One of ma optronic’s specialties is the high-precision measurement of individual parts not only in 2D but also in 3D.

Components that have to be checked with regard to their dimensions before assembly are inspected and, if necessary, sorted either in-line or on independent inspection systems (AOI). The optical inspection and sorting of the components is carried out according to customer or standard specifications.

The extensive experience of ma optronic employees makes it possible to develop highly accurate and at the same time rapid systems to carry out challenging measuring tasks. By selecting suitable camera, lens and illumination systems, it is possible to perform measurements in the single-digit micrometre range.

Of course, we prove this measurement capability using common methods (e.g. gauge R&R). Cycle times of <150 ms are state-of-the-art.

Largest distance clamped: 0.610mm
Smallest distance clamped: 0.588mm
Ø unclamped: 0.603 | Deviation: 10.0%

Inspection

In that, the task you set is to check certain criteria. These criteria are not measurable, but refer to qualitative statements regarding the components.

Solutions are developed in this area which are often used in the field of assembly technology in order to avoid complex mechanical tests.

Read | check code

QR codes or markers are applied to individual components or assemblies before or during the manufacturing process. These must be read by suitable systems and, depending on the application, passed on to a higher-level production system.

In addition to the common systems used to read QR codes, ma optronic can also implement difficult tasks such as reading casting numbers or codes on very deep objects (e.g. in the base of injection-moulded parts).

Cosmetic inspection

When checking for “cosmetic defects”, components and assemblies are inspected for defects that do not impair the functionality of the component when they occur, but are of a purely cosmetic nature. These are damages such as scratches or dents on for example outer shells or covers.

We do not limit ourselves to certain materials or surface shapes, but develop the necessary camera and lighting systems tailored to the component. It is also possible to inspect high-gloss, brushed or transparent surfaces.

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