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Gerber output - how can I retin the 'la yer's

Former Member

It seems that when I use Eagle to export to gerber (using the std cam

gerber274x ...or any other gerber cam listed there), that all the eagle

layers get 'flattened' into one ...this is real a hassle for me.

 

I like to mill my pcb...so I use the gerbers as import files into another

cam program

 

 

The cam program I use (cambam) can create seperate 'drawing layers' for

each gerber layer....but becuase eagle flattens the layers when

exporting,everything inn the gerber therefore gets imported into one

layer.... I then have to spend ages reconstructing all the drawing objects

into layers again within cambam.

 

Are there any gerber cam experts that can advise how I can get Eagle to

export to gerber but retaining the layers so that cambam will accept.

 

I've attached a (non Eagle produced) gerber file in the format that cambam

reads the seperate layers.

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Attachments:
opto_input.pcb.output_back.gbr.zip
Parents

  • On 01/27/2012 09:44 AM, Robert Smith wrote:

    It seems that when I use Eagle to export to gerber (using the std cam

    gerber274x ...or any other gerber cam listed there), that all the eagle

    layers get 'flattened' into one ...this is real a hassle for me.

     

    I like to mill my pcb...so I use the gerbers as import files into another

    cam program

     

    >

    The cam program I use (cambam) can create seperate 'drawing layers' for

    each gerber layer....but becuase eagle flattens the layers when

    exporting,everything inn the gerber therefore gets imported into one

    layer.... I then have to spend ages reconstructing all the drawing objects

    into layers again within cambam.

     

    Are there any gerber cam experts that can advise how I can get Eagle to

    export to gerber but retaining the layers so that cambam will accept.

     

    I've attached a (non Eagle produced) gerber file in the format that cambam

    reads the seperate layers.

    I am not sure of how you need the data. You can go to the job tabs in

    the cam process and only include layer 1 for the traces. Duplicate that

    tab and put pads on it and so forth.

    Have you looked at the ULP's for milling machines? I think it generates

    the contours that mill away the copper.

    Paul R.

     

Reply

  • On 01/27/2012 09:44 AM, Robert Smith wrote:

    It seems that when I use Eagle to export to gerber (using the std cam

    gerber274x ...or any other gerber cam listed there), that all the eagle

    layers get 'flattened' into one ...this is real a hassle for me.

     

    I like to mill my pcb...so I use the gerbers as import files into another

    cam program

     

    >

    The cam program I use (cambam) can create seperate 'drawing layers' for

    each gerber layer....but becuase eagle flattens the layers when

    exporting,everything inn the gerber therefore gets imported into one

    layer.... I then have to spend ages reconstructing all the drawing objects

    into layers again within cambam.

     

    Are there any gerber cam experts that can advise how I can get Eagle to

    export to gerber but retaining the layers so that cambam will accept.

     

    I've attached a (non Eagle produced) gerber file in the format that cambam

    reads the seperate layers.

    I am not sure of how you need the data. You can go to the job tabs in

    the cam process and only include layer 1 for the traces. Duplicate that

    tab and put pads on it and so forth.

    Have you looked at the ULP's for milling machines? I think it generates

    the contours that mill away the copper.

    Paul R.

     

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