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PCB CNC: Unterschied zwischen den Versionen

Bkubicek (Diskussion | Beiträge)
Bkubicek (Diskussion | Beiträge)
Keine Bearbeitungszusammenfassung
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=== Pros/Cons ===
=== Pros/Cons ===
Pros:
Pros:
* Quite Faster than manual UV-exposing, etching and drilling.
* Quite Faster than manual UV-exposing, etching and drilling.
* Cool
* Cool
* No chemicals
* No chemicals
* Good for high currents, as wired are wide.
* Good for high currents, as wired are wide.
* Cheaper PCB material. (Same area approx 50% the price)
* Cheaper PCB material. (Same area approx 50% the price)
* PCBs of up to 30x20 cm. However, flatness is problematic.
* PCBs of up to 30x20 cm. However, flatness is problematic.
Cons:
Cons:
* If the board is not mounted completely flat, the isolation might be not deep enough, and hence there are short circuits.
* If the board is not mounted completely flat, the isolation might be not deep enough, and hence there are short circuits.
* Sometimes, flakes of copper short circuit neighboring copper areas. Usually at corners. A knife helps.
* Sometimes, flakes of copper short circuit neighboring copper areas. Usually at corners. A knife helps.
* Dust.
* Dust.
* Loud.
* Loud.
* Capacity between adjacent copper areas.
* Capacity between adjacent copper areas.
* Hotter soldering is required, as there are no thermal pads.
* Hotter soldering is required, as there are no thermal pads.
* 0805 SMD resistors work fine, although the solder locations are not visible any more. However, SMD chips are probably to small
* 0805 SMD resistors work fine, although the solder locations are not visible any more. However, SMD chips are probably to small


== Metaboard.sh ==
== Metaboard.sh ==