
Midiyaha V-CUT (sidoo kale loo yaqaan mindiyaha goynta V-qaabeeya ama mindiyaha V-groove) waa qalab gaar ah oo loogu talagalay PCB (Guddiga Wareegga Daabacan) ee farsamaynta, goynta xaashida birta, iyo V-groove machining ee alaabta sida akril iyo caag. Hoos waxaa ku yaal sharraxaad faahfaahsan oo laga eegayo aragtiyaha astaamaha asaasiga ah, kala-soocidda, cabbirrada, iyo codsiyada:
Cidhifka goynta ee mindida V-CUT waxay leedahay xagal V-qaabaysan oo lagu daray (caadiyan 30°, 45°, 60°, 90°). Jirka mindida inta badan waxa uu ka samaysan yahay substrate sibidh ah (tungsten steel), halka qaar ka mid ah moodooyinka dhamaadka-sare ay qaataan PCD (Polycrystalline Diamond) ama dahaarka CBN. Madaxa gooyuhu waxa loo qaabeeyey cidhifyada goynta ee qaabaysan ee V, oo lagu lammaaniyey dalool meelaynta dhexe ah ama qaab dhismeedka xidhiidhka shank. Waxaa lagu rakibi karaa mashiinnada V-CUT, mashiinnada xaradhka, mashiinnada wax-shiidka ee CNC, iyo qalab kale, gaaritaanka mashiinnada V-groove ee dusha walxaha iyada oo loo marayo goyn wareeg ah.
V-qaabeeya xagal lagu daray: Wuxuu go'aamiyaa qaabka jeexdin 45°/60° waxaa caadi ahaan loo isticmaalaa habaynta PCB, 90° biraha jeexjeexa, iyo 30° xaradhka akriliga;
Goynta dhexroorka cirifka: φ3.175mm, φ6mm, φ8mm, iwm (ku habboon qalabyada kala duwan);
Goynta ballaca cidhifka: 0.1mm-1.0mm (oo u dhiganta ballaca jeexdin; 0.1-0.3mm ayaa loo xushay habaynta saxda ah ee PCB);
Qalabka iyo dahaarka:
Carbid sibidhka ah (WC-Co): Nooca caalamiga ah, oo ku habboon PCB-yada, alwaax, iyo caag;
PCD (Daymanka Polycrystalline): Adag aad u sarreeya, oo ku habboon looxyada fiberglass-ka ee PCB-ga u adkaysta iyo aluminium substrates;
Daahan TiAlN: Waxay xoojisaa iska caabbinta oksaydhka, oo ku habboon goynta xaashida birta;
Wadarta dhererka / dhexroorka Shank: Dhererka joogtada ah waa 38mm/40mm; dhexroorka shank waa φ3.175mm (mashiinada xardho) ama φ12mm (mashiinada V-CUT).