So I'm not sure of the format for these things, but I am at my wit's end with this CMM program. When I run the routine, the program moves some features (circles specifically) from their position on the CAD model (which I used to define them using auto-circles) to something like a thousandth of an inch along the -Z axis. This is playing havoc with a number of measurements, but the diameters are reported as being within tolerance.
I've tried using positioning dimensions to anchor the circles, reentering the coordinates of the centerpoinso manually, using each circle as a datum for another feature, and I have double-checked to make sure that the CAD model is correctly dimensioned.
Why are features being moved when I run the program, and does anyone know how to make it stop?
The first thing that comes to mind might be an alignment that is not fully constrained. Show your code. Show the complete alignment, but also the section that would explain why you feel that the features are moving, what do you mean by that? Are the nominals changing?
The first thing that comes to mind might be an alignment that is not fully constrained. Show your code. Show the complete alignment, but also the section that would explain why you feel that the features are moving, what do you mean by that? Are the nominals changing?