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Autodesk EAGLE
EAGLE User Support (English) Drill hole clearance
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  • drill
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Related

Drill hole clearance

MaxKielland
MaxKielland over 13 years ago

I have designed an land pattern for a micro USB connector. The connector have 2 x 0.9mm drill holes under it.image

The problem is the clearance distance around these holes being to big and overlaps the soldering pads for the very same connector.

These holes are just plain holes, I don't need the same clearance rules as for traces. Is there a way to override the automatic clearance and set them manually?

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  • Former Member
    0 Former Member over 13 years ago

    Max Kielland wrote:

    I have designed an land pattern for a micro USB connector. The

    connector have 2 x 0.9mm drill holes under it. Image:USBConnector.png

    The problem is the clearance distance around these holes being to big

    and overlaps the soldering pads for the very same connector.

    These holes are just plain holes, I don't need the same clearance

    rules as for traces. Is there a way to override the automatic

    clearance and set them manually?

     

     

    The copper clearance from holes and the edge of your board is set in the

    DRC. (DRC>Distance>Copper/Dimension)You can reduce this to zero and the

    copper will fill right up to the lines marked in the Dimension layer.

     

    Then you need to check and address the issues that arise from this.

    The copper  will be allowed right to the edge of the board which is not good

    practice so place a tRestrict bRestrict wires here to constrain the pour.

    The second thing you need to check is the solder stop top and bottom around

    the hole and the board edges. Milling and plain hole drilling is the last

    stage and keeping solder stop away from the cutter prevents chipping.

     

     

    HTH

    Warren

     

    --

    Viewed / responded via the newsgroup at

    news.cadsoft.de

     

     

     

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  • MaxKielland
    0 MaxKielland over 13 years ago in reply to Former Member

    Okay, so there is no way to just change the clearance distance for just these holes, and keep everything else as "standard"?

    Now when I know it isn't possible, I can stop to look for the parameter. Maybe a usefull function to implement in the next version image

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