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Export Excellon drill file, and then importing into ISOPRO 3.1 scale issue

talon2000

So I've drawn a basic 2 component design to start learning my way around using Eagle Cad, and importing those designs into our Quick Circuit mill using ISOPRO 3.1

 

I've been successful in exporting the gerber file for the component side in a 274x .cmp file, and importing that into the ISOPRO 3.1 without any size issues. But when I try to import the Excellon .DRD file, the scale is about 10x to big, and naturally the holes don't line up with the pads.

 

If I import both files using www.gerber-viewr.com they come out correctly.

 

Attached are the CMP, and DRD files.

Attachments:
T099toDil8.cmp.zip
T099toDil8.drd.zip
  • 0

    I experienced the same behaviour ... Using the latest Eagle download on Debian Linux. The *.DRD data file is rejected by the colliliner software that is used for fast prototyping. When the file is inspected by Online Gerber Viewer the scale is of the chart. Maybe mm are interpreted as inches???

     

    I would really like to find out what is causing this fast.


    Kind regards,

     

    KK

  • 0

    On 10/3/2014 12:16 PM, Kevin Moore wrote:

    So I've drawn a basic 2 component design to start learning my way around

    using Eagle Cad, and importing those designs into our Quick Circuit mill

    using ISOPRO 3.1

     

    I've been successful in exporting the gerber file for the component side

    in a 274x .cmp file, and importing that into the ISOPRO 3.1 without any

    size issues. But when I try to import the Excellon .DRD file, the scale

    is about 10x to big, and naturally the holes don't line up with the

    pads.

     

    Hi Kevin,

     

    The issue here is that the format for Excellon files can vary. ISOPRO is

    taking it's best guess at the format and in this case it's wrong. The

    solution is very simple, when you import the Excellon file into ISOPRO

    look for any button that allows you to adjust the format. By default

    EAGLE's excellon format has the following attributes.

     

    -Leading Zeroes are supressed

    - 2.4 (If you see 1.4 that's OK too)

    - Absolute

    - Units are Inches.

     

    Once the format is correctly specified you'll see that everything comes

    in fine.

     

    Best Regards,

    Jorge Garcia