Tubular optical system for 3D scanners ensuring perfect coaxiality


3D scanner

3D scanners are widely used metrological tools that allow the measurement and digital reconstruction of objects with the most complex shapes. In order to carry out these three-dimensional measurements, different technological solutions exist. Some systems use the projection of a light pattern, the measurement of distances by triangulation or the measurement of the time of flight of a light pulse. Regardless of the method, the focusing mechanisms must ensure constant alignment of the optics in translation. The coaxial lens actuator from MPS fulfills this requirement and thus contributes to the high accuracy of the measured points on the scanned objects.

Main features

Stroke (per lens):7.5 mm
Unidirectional repeatability:± 5 µm
Lateral repeatability (per lens):± 1 µm
Angular repeatability (per lens):± 0.1 mrad
Dimensions: 78 x 42 x 42 mm

 

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Optical system for 3D scanner
Optical system for 3D scanner
Optical system for 3D scanner
Optical system for 3D scanner

Our systems, adapted to your environment

MPS Microsystems' optical platforms bring together several technologies that we have mastered for decades. Thanks to this expertise, we are able to adapt our systems to the various applications for which they will be used. Our platforms are modular in their dimensions, type of motor, length and diameter of the ball screws, number of lenses and many other characteristics. Whatever your requirements and constraints are, MPS will take them into account. Thus, we are certain to be able to offer you a system perfectly adapted to your environment. Contact our engineers today to start your project.


Coaxial lens actuator for 3D scanning

Coaxial lens actuator

The coaxial lens actuator by MPS is perfectly adapted to the development of 3D scanners. This very compact optical system with an original design allows the movement of lenses in a perfectly coaxial way over several millimeters. The coaxiality of the lens holders is guaranteed by a common bore machined in a single operation. Numerous dimensional modifications allow a exact adaptation to the optical design of its application. Due to the use of perfectly fitting ball cages, the low-friction translation mechanism of the coaxial lens actuator allows for intensive use and offers an unmatched lifespan without special maintenance.


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