How do you make cutouts in Eagle?

Den lørdag den 28. september 2013 03.15.20 UTC+2 skrev Phil Hobbs:

the proper way is a drawing it on the milling layer, maybe dimension layer will work if the board is routed out and you need non plated

you'll need to ask the board house how they want it

-Lasse

Do you mean an interior cutout?

We draw it on the fab drawing and

a) write ROUTE THIS OUT inside

b) add a fab note NOTE INTERIOR CUTOUT to emphasize the point

Non-Eagle specific, but there are several ways to implement slots...

- routed or milled slots (limited to fairly wide slots)

- drilled slots (plated), good for soldering to tabs like barrel connectors, shielding boxes or maybe shielding.. as narrow as ~20 thou

- drilled slots (unplated) similar to routed slots but can be quite narrow as the above.

The latter two use the G85 command to drill multiple overlapping holes to create a fairly smooth slot.

Usually the above are spelled out in the capabilities list, eg:

Calling for a smaller routing radius may increase the cost, it's faster to use larger tools, and you're obviously limited to double the radius (I think plus a smidge).

If you use the above terms for searching, I think you'll find useful Eagle-specific data:

Best regards, Spehro Pefhany

Its usually part of the Outline. But Eagle has a Mill layer. The board houses can put the layer together. Just create a Fab drawing as John pointed out., to make it clear.

Cheers

Ask the PCB manufacturer to be sure but most are clever enough to use a gerber called 'pcbname.fab' as a milling outline for the outer and inner edges. Some automatically assume when a slot is in a pad on both top and bottom layers it needs to be plated. You're not the first with this 'problem'. All in all its pretty straightforward.