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GOM TRITOP: Optical 3D Coordinate Measuring Machine

TRITOP digital photogrammetry for 3D coordinate measuring and deformation analysis

Digital Photogrammetry System for Accurate and Rapid 3D Coordinate Measuring and Deformation Analysis

TRITOP is a portable hand-held digital photogrammetry system that performs fast and accurate 3D coordinate measurements as well as deformation analysis. Measuring tasks that traditionally were performed by tactile 3D coordinate measuring machines can now easily be carried out with the TRITOP system. It does not require any complex, heavy and maintenance-intensive hardware. The measuring machine comes to the object.  TRITOP can be used as a standalone photogrammetry system for inspection and deformation analysis, or it can be used in conjunction with ATOS to help maintain accuracy over very large areas.

 

 

Hand-held Wireless Photogrammetry System  

TRITOP measures coordinates of three-dimensional objects quickly and precisely. Measuring tasks that traditionally were performed by tactile 3D coordinate measuring machines can now easily be carried out with the TRITOP system. It does not require any complex, heavy and maintenance-intensive hardware. The measuring machine comes to the object.  As with tactile coordinate measuring machines, TRITOP records the coordinates and their orientation in space for any feature of interest:

 

    • Surface points and sections
    • Primitives
    • Holes, punch holes and edges
    • Diameters, lengths, angles, etc.

 

After the 3D coordinates have been determined, the measurement mathematically is transformed into the coordinate system of the component- RPS, Gage alignment, Best-fit, etc.

TRITOP digital photogrammetry for 3D coordinate measuring and deformation analysisTRITOP digital photogrammetry for 3D coordinate measuring and deformation analysis

 

The measured and aligned data is used for various tasks:

    • CAD comparison
    • Verification of shape and position tolerances
    • Verification of specifications from drawings, files or tables
    • Initial measurements
TRITOP Photogrammetry

When comparing the measuring data with CAD data (IGES, VDA, STEP, Catia, ProE, UG etc.), the corresponding measuring reports are created in the familiar formats:

    • False-color representation
    • Deviation of individual points as labels
    • Sections, angles and distances
    • Diameters and flatness
    • Tables and lists
TRITOP Photogrammetry

Advantages of the TRITOP Technique

    • Complete 3D measuring machine with minimum hardware requirements (2 cases with a total weight of 23 kg)
    • The object is not touched during measuring
    • Very high accuracy also for large objects
    • No wear and tear, no decrease of accuracy
    • Easy handling
    • Independent of environmental conditions (climatic chamber, open air etc.)

 

TRITOP Photogrammetry

Static Deformation Analysis

TRITOP is an optical, mobile, measurement system, which accurately defines the 3D coordinates of object points at quasi-static conditions. Based on this information TRITOP is capable of calculating 3D displacements and deformations of objects and components. It replaces conventional displacement measuring systems or LVDTs capturing displacements and deformations rapidly without cables or sensors on or around the object, and does therefore not interfere with the object.

TRITOP digital photogrammetry for 3D coordinate measuring and deformation analysis

Fields of Application

    • Inspection of sheet metal parts and car bodies, e.g. in pilot production, process optimizing, tool try-outs, start of series production or during random samples
    • Quality control of large objects, e.g. aircraft, ships, wind turbines, etc.
    • Verification of plastic parts, e.g. for first article inspection
    • Verification and recording of jigs and fixtures
    • Measuring of models and prototypes, e.g. vehicle interior and exterior design
    • Verification of tubes and wires with respect to their three-dimensional shape
    • Measuring trimming edges of two-dimensional sheet metal blanks
    • Deformation analysis of car and climatic chamber tests
    • Measuring of reference point fields

TRITOP digital photogrammetry for 3D coordinate measuring and deformation analysis

 

Technical Data

Using TRITOP, objects of up to 20 m can be measured. Depending on the measuring task, different camera systems are available. All TRITOP systems are self-calibrating and self-checking.

  TRITOP digital photogrammetry for 3D coordinate measuring and deformation analysis
 System Configurations DX Format / Full Frame Format
 Camera resolution  up to 24 million pixels
 Data transfer  wireless or SD card
 Measuring area  0.1 x 0.1  m2 to 10 x 10 m2
 4 x 4  inch2 to 400 x 400 inch2
 Calibration  self-calibrating
 Certification  according to VDI 2634/1
 Operating temperature  -40 to 120°C
 -40 to 250°C
 Computer  High-End Laptop
 Operating System  Windows
 Software  TRITOP Professional

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