Olsem wanem blong mekem PCB blong yu wetem CNC mo CircuitMill
Wan smol gaed blong PCB milim, izolesen, drilling, mo katem bod.
Yu no nid blong yusum ol kemikol we oli doti o ol bigfala masin blong mekem wan printed circuit board. Wetem wan smol CNC mo CircuitMill, yu save tanem desin blong PCB blong yu i kam wan bod long wokshop blong yu.
Gaed ia i pas tru long wok: mekem desin i rere, mekem ol rod blong tul, milim ol trace blong kopa, drillim ol hol, mo katem bod.
1. CNC PCB milim i wanem?
CNC PCB milim i wan wei blong mekem samting we i tekemaot materyel. Masin i yusum wan smol tul blong tekemaot kopa we yu no wantem long bod we i kavremap wetem kopa.
I gat tri wok we oli impoten: izolesen routing, drilling, mo katem bod. Ol rod blong tul oli mas stret mo yu mas lukluk fastaem long olgeta bifo masin i ron.
2. Ol samting we yu nidim
Yu nidim wan desktop CNC we i strong, wan copper-clad PCB blank olsem FR-1 o FR-4, ol engraving bit, ol drill bit, wan end mill, wan komputa wetem KiCad o narafala PCB desin program, mo wan gudfala wei blong holem bod. Yusum proteksen blong ae mo dust extraction, speseli taem yu katem FR-4.
3. Mekem mo rere long PCB
Mekem desin long KiCad, mekem sua se ol trace oli joen, outline i ful, mo ol design-rule check oli pas. Eksportem ol copper Gerber fael, Excellon drill fael, mo outline fael. CircuitMill i save prosesem olgeta lokal long browser blong yu.
4. Setemap CNC masin
Holem bod i flat long bed. Setem work origin mo Z zero long surfes blong kopa. Sapos masin i sapotem probing, jekem contact, travel, mo clearance fastaem.
5. Milim, drill mo katem
Yusum wan sharp bit mo wan conservative depth blong tekemaot kopa nomo we i nid. Afta milim, jekem ol trace blong incomplete izolesen, ol burr, mo ol pad we oli kasem damej. Afta, drillim ol hol mo katem outline laswan. Livim ol holding tab blong bod i no muv bifo las pass i finis.
Ol gudfala tingting
Stat wetem ol bigfala clearance, holem PCB i flat, testem feed mo depth long wan scrap bod, mo oltaem jekem preview blong ol rod blong tul. CircuitMill i givim wan klia rod i stat long PCB layout i go kasem bod we i rere blong yusum.