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Measurement against CAD

In most cases, design data in the form of CAD models are available. These target data comprise the basis when measuring against CAD.

Two of the most important questions discussed by many product manufacturers and suppliers are:

First the measuring instrument is positioned opposite the test object in the same coordinate system. This is realized with a simple best-fit transformation.

Afterwards, the geometries and surfaces to be checked are measured and their actual data compared with the target data from the CAD model.

As a result, the following possibilities are available:

The results of the target-actual comparison are displayed clearly graphically and in tabular form. In the same way, adherence to tolerances and other GD+T requirements can be checked.