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Scanning vs Touch Probes

We are enquiring about a new CMM. I have been looking into 'scanning' probing, not so sure if this is what we want?? So, here I am, asking people with knowledge on this type of probing. I am NOT familiar with scan probes at all!
Some, if not a majority, of our inspections may be on sheet metal surfaces, which are NOT the same finish as machined surfaces. I , with no knowledge, would be concerned about the accuracy of scanning probes on an un-even surface.?? I also have heard, with as little of a 'crash' these probes can be problematic?

So, in closing, if you were to purchase a new CMM, would you include the scanning probe? To me it sounds too good to be true? Thanks!
Parents
  • We have both TTP and Analog heads here. Be aware if you have high vibration in your shop it can affect your analog system as it is much more sensitive to vibrations. We found out the hard way!
    Scanning is fantastic for developing trim lines, reverse engineering details stuff like that. I think most companies can get by with just a TTP system but scanning capabilities are nice when you need them!
Reply
  • We have both TTP and Analog heads here. Be aware if you have high vibration in your shop it can affect your analog system as it is much more sensitive to vibrations. We found out the hard way!
    Scanning is fantastic for developing trim lines, reverse engineering details stuff like that. I think most companies can get by with just a TTP system but scanning capabilities are nice when you need them!
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