This provides holes for side 2 components. The drilling could then be done for side 2. since holes in the board creates issues for autolevelling. to avoid issues with probing/autolevelling. Then I flip the board.then autolevel side 2.followed by milling the tracks.įinally. I first use probing/autolevelling, followed by milling side 1. And on side 2 of the board, a different component requires two holes (.not the same holes as on side 1). on side 1 of the board, a regular non-surface-mount resistor requires two holes. Hi Morgan! Thanks very much for your post! Really appreciated. How do you drill from both sides? My holes go all the way through the board so it doesn't matter which side I started on, the hole always goes through. The little pre-formed divots seem to prevent tearing when drilling. I understand that the milling process usually puts little divots in the pads that are going to be drilled, which later prevents (or reduces chances of) a drill bit from ripping out the copper of a round pad during the drilling process. mill side 1, then mill side 2, then drill side 2, then drill side 1.īut if all drill info can be lumped together, then could just mill side 1, mill side 2, then drill all holes. I'm just asking this because the milling process could possibly have 1 less step (3 steps instead of 4) if I can have a way to drill all the holes at one go. If anybody has experience with double-sided board pcb milling (and Eagle), then could I ask you if you know of any method that allows the drill-hole information on BOTH sides of the boards to be combined in one file, so that ALL the holes (for both sides of the board) can be drilled in the one-shot? This would be done after both sides of the board (tracks) have been milled of course. I'm going to switch to double-sided boards for some arduino-controlled projects (mainly Mega and UNO). Anybody here use eagle and mill their own double-sided pcb boards?
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