Our business is applying coatings to components of many shapes and sizes. It is typically possible to either draft the nominal shape of the component as a solid model or to build a representation of the piece prior to coating from CMM data. My interest is in measuring applied coating thickness after deposition by taking hits on the modified surface and determining the distance of the hit point away from the original surface. I cannot seem to find a constructed geometry that will fit this need. Does such a tool exist in PC DMIS? In the example below, we measured the conical surface CON1 prior to coating, using CYL1 and PLN1 for alignment. Coating was applied to the interior surface of the cone at PNT1 and PNT2. I'd like to know how far away (in a direction normal to the surface below) PNT 1 and PNT2 are from CON1.
It's not exactly as simple as the thickness of a conical coating over a conical surface... the coating is only applied in localized areas and may be non-uniform. Indeed, in many cases, enough of the original uncoated geometry still exists to re-establish the basic shape. My concern is finding the thickness of the new surface in the area where material has been added. I would guess that this would be a matter of finding the vector distance of the point from the underlying surface along a normal vector, however, I cannot see how I can easily get that number.
It's not exactly as simple as the thickness of a conical coating over a conical surface... the coating is only applied in localized areas and may be non-uniform. Indeed, in many cases, enough of the original uncoated geometry still exists to re-establish the basic shape. My concern is finding the thickness of the new surface in the area where material has been added. I would guess that this would be a matter of finding the vector distance of the point from the underlying surface along a normal vector, however, I cannot see how I can easily get that number.
