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Bright Lighting and Machined Parts

freddyk1369
Quick question, I am working on a machined part and I was wondering how you deal with lighting issues on parts that are a bit more shiny than the rest. The lighting in our department is pretty bright and it's not allowing me to scan the whole part (the spots where the light is hitting the machining directly won't allow me to scan points). I was wondering if anyone else has ever had this type of problem before or how to go around fixing the problem whether it be the lighting or something else that I need to do. We are used to cast parts with rough surfacing so we never really have to worry about how shiny a part is and if we do we can usually sand blast it. I have managed to get points by holding my sweatshirt over the part while scanning but I figure there has to be a better way than that.

Thanks in advance,

Fred
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  • Glad I at least get creativity points... As for getting a new Romer we just got this one repaired so I think getting a new one would be out of the question... I put the developer on a different part a few weeks ago but we were checking a profile to +/- .005 and I think the developer added too much of a film on the outside to get an accurate reading because the scanner was picking up the different drips from it (granted I didn't do the best spray job because I was kind of in a rush) but it did allow me to get points. I just notice that whenever I scan with a machined surface it will grab points and the line of points that it grabs will cut in and out on PC-DMIS showing where points I am scanning are not being taken. And the lights are all on one switch so if I hit the one above me it will shut them all off and put me and the other guy in the dark. I work with castings so it's very rare that I do machined parts but for a few of our fixtures I'm required to and I usually get a hard probe scan the really critical spots on them but he wanted to see how it would work just with the scanning.
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  • Glad I at least get creativity points... As for getting a new Romer we just got this one repaired so I think getting a new one would be out of the question... I put the developer on a different part a few weeks ago but we were checking a profile to +/- .005 and I think the developer added too much of a film on the outside to get an accurate reading because the scanner was picking up the different drips from it (granted I didn't do the best spray job because I was kind of in a rush) but it did allow me to get points. I just notice that whenever I scan with a machined surface it will grab points and the line of points that it grabs will cut in and out on PC-DMIS showing where points I am scanning are not being taken. And the lights are all on one switch so if I hit the one above me it will shut them all off and put me and the other guy in the dark. I work with castings so it's very rare that I do machined parts but for a few of our fixtures I'm required to and I usually get a hard probe scan the really critical spots on them but he wanted to see how it would work just with the scanning.
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