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Scanning not Scanning but taking points instead

Morgan Le Fay
Hello All,

I am currently trying to set up a liner scan and although I can see nothing within the set-up every time I perform the scan instead of scanning it takes points. The CMM, Head and probe are all capable of scans and have been used on other programs (2019) however since upgrading to 2023 I cant get it to scan and only take a scan using points.

Anyone know what the issue could be and how to resolve?

Thanks in advance.
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  • As says, your EXEC Controls are probably set to NORMAL you need to change it to either RELEARN or DEFINED.

    Extract from the following page of the PC-DMIS Help files: PC-DMIS Help Center - 2023.1 (hexagonmi.com)​


    Normal - PC-DMIS executes the scan in its 'normal' manner; it triggers a hit when the probe touches the part.

    Re-learn - PC-DMIS executes the scan as though it is learning it. All learned measured data replaces the new measured data. The nominal is re-calculated depending on the Nominals Mode (see "Nominals Mode"). Re-learn completely ignores the settings in the Path Definition tab and relearns the path as it goes.

    Defined - PC-DMIS allows the controller to ‘define’ a scan. PC-DMIS gathers all hit locations from the editor and passes them onto the controller for scanning. The controller will then adjust the path allowing the probe to pass through all the points. The data is then reduced according to the increment provided and the new data will replace any old measured data.

    When this option is used after Generating the scan Offline, the nominal locations obtained from CAD are used every time to drive the CMM.

    This mode is available only when using analog probe heads that can do continuous contact scanning.
    ​

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  • As says, your EXEC Controls are probably set to NORMAL you need to change it to either RELEARN or DEFINED.

    Extract from the following page of the PC-DMIS Help files: PC-DMIS Help Center - 2023.1 (hexagonmi.com)​


    Normal - PC-DMIS executes the scan in its 'normal' manner; it triggers a hit when the probe touches the part.

    Re-learn - PC-DMIS executes the scan as though it is learning it. All learned measured data replaces the new measured data. The nominal is re-calculated depending on the Nominals Mode (see "Nominals Mode"). Re-learn completely ignores the settings in the Path Definition tab and relearns the path as it goes.

    Defined - PC-DMIS allows the controller to ‘define’ a scan. PC-DMIS gathers all hit locations from the editor and passes them onto the controller for scanning. The controller will then adjust the path allowing the probe to pass through all the points. The data is then reduced according to the increment provided and the new data will replace any old measured data.

    When this option is used after Generating the scan Offline, the nominal locations obtained from CAD are used every time to drive the CMM.

    This mode is available only when using analog probe heads that can do continuous contact scanning.
    ​

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