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Best scan selection

R2ah1ze1l
So, I am very new to the idea of scanning, worse yet I will be learning how to set it up in an offline seat. Not that I have an issue with this, but I've always heard scanning at the machine is much easier. Any who:

Any suggestions on what type of scan would allow me to make 1 continuous scan of this set of features? I've run through the whole list, and I really don't want to be "stitching" an awful lot of linear open scans together to do it. But if thats all I can do, I'd rather just find out about it now than waste anymore time trying to get something to work.

Thanks
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  • Matthew,

    I'm creating linear open scan sections on surfaces with complex ("irregular") geometry. These surfaces do not deviate from the CAD model, usually, more that .020 of an inch. I am measuring a complex set of peramiters with these scans (combined geometric relations to a datum, contour, profile form & location, etc.). I'm doing all of this with touch probes (with points set at .100" intervals) as the surfaces have not been polished to a fine finish when they come to my lab. From what I've read from your responses in this thread, I'm assuming that you believe I should be scanning using the MASTER options for the nominals? If I'm programming offline, when I "GENERATE" the new scan, PCDMIS is piercing the CAD to find the nominals based on my current alignment when using MASTER and these nominals are then locked in? Are you saying that, even when using the MASTER method, the nominal will self adjust due to "drift"?
    I'm just looking for some clarification on this, as it's always been a little fuzzy for me.
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  • Matthew,

    I'm creating linear open scan sections on surfaces with complex ("irregular") geometry. These surfaces do not deviate from the CAD model, usually, more that .020 of an inch. I am measuring a complex set of peramiters with these scans (combined geometric relations to a datum, contour, profile form & location, etc.). I'm doing all of this with touch probes (with points set at .100" intervals) as the surfaces have not been polished to a fine finish when they come to my lab. From what I've read from your responses in this thread, I'm assuming that you believe I should be scanning using the MASTER options for the nominals? If I'm programming offline, when I "GENERATE" the new scan, PCDMIS is piercing the CAD to find the nominals based on my current alignment when using MASTER and these nominals are then locked in? Are you saying that, even when using the MASTER method, the nominal will self adjust due to "drift"?
    I'm just looking for some clarification on this, as it's always been a little fuzzy for me.
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