In collaboration with the physics department of the University of Bologna, CAD-Project participated in the construction of an equipment for the tomographic analysis of the globe located at the Palazzo Vecchio museum in Firenze.
Built in 1570 by Egnazio Danti, this globe required a restoration work; however, first it was of fundamental importance to know the composition and state of its internal part.
CAD-Project designed and manufactured all the mechanical equipment required to carry out this operation.
The tomographic technique
From the Greek tomos (cutting), better known as CT (Computed Axial Tomography), it is an investigation that allows you to obtain images of sections of the object under examination.
The approach known as "Cone beam tomography" was used to perform the CT scan on the Globe.
The object is hit by a beam of X-rays which, after passing through it, reach a detector. The result of this process is the formation of a two-dimensional image that reflects the structure and internal morphology of the sample under examination.
By rotating the object, as many projections as there are angles of rotation are obtained and the composition of these projections (using algorithms) provides the image of a slice.
If a translational motion is added to the rotation, the individual slices are obtained at different heights and superimposing all the images results in the reconstruction of the entire volume of the object and therefore the complete visualization of its internal structures.
