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If you’re looking to build some small radio circuits, or if you are simply seeking a new look for your PCBs, you might want to check out what YouTube user [AndyDaviesByTheSea] has been working on lately. He has been building RF circuits as of late and was searching for a better way to create islands or “lands” on copper-clad PCBs.
He says that these sorts of islands are traditionally cut into the PCB with a scalpel or file – hardly an efficient process. [Andy] did a little experimenting and found a great way to quickly and precisely cut lands with a drill. Borrowing a bit of metal from an old VHS tape, he crafted a circular land cutter with a metal file. When mounted as a drill bit, his cutter produces clean, shallow cuts which create perfect lands on which to solder his components.
The only drawback to this method is that [Andy] found his bits were being dulled by the fiberglass boards pretty quickly. His solution was to carefully grind a broken heavy duty drill bit to do the task, which he says works even better than his original cutter.
hobbydepot.my
2017/2/5 15:32:39
Impressive and helpful.