A zamanin yau, tare da saurin ɗaukakawa na samfuran lantarki, bugu na PCB s ya faɗaɗa daga allunan Layer Layer da suka gabata zuwa allunan Layer biyu da allunan Layer Layer tare da mafi girman buƙatu. Don haka, ana samun ƙarin buƙatu don sarrafa ramukan da'ira, kamar: diamita na ramin yana ƙara ƙarami, kuma nisa tsakanin ramin da ramin yana ƙara ƙarami. An fahimci cewa masana'antar hukumar a halin yanzu tana amfani da ƙarin kayan haɗin gwal na tushen guduro. Ma'anar girman ramin shine cewa diamita bai wuce 0.6 mm don ƙananan ramuka da 0.3 mm don micropores. A yau zan gabatar da hanyar sarrafawa na ƙananan ramuka: hakowa na inji.

Domin tabbatar da mafi girma aiki yadda ya dace da kuma rami ingancin, mu rage rabo daga m kayayyakin. A cikin aiwatar da hakowa na injiniya, dole ne a yi la'akari da dalilai guda biyu, ƙarfin axial da yanke yanke, wanda zai iya tasiri kai tsaye ko a kaikaice ingancin rami. Ƙarfin axial da jujjuyawar za su karu tare da ciyarwa da kauri na yankan Layer, sa'an nan kuma saurin yankan zai karu, don haka adadin fibers da aka yanke a kowane lokaci naúrar zai karu, kuma kayan aikin kayan aiki zai karu da sauri. Sabili da haka, rayuwar rawar soja ta bambanta ga ramuka masu girma dabam. Mai aiki ya kamata ya saba da aikin kayan aiki kuma ya maye gurbin rawar jiki a cikin lokaci. Wannan shine dalilin da ya sa farashin sarrafawa na ƙananan ramuka ya fi girma.

A cikin axial ƙarfi, da static bangaren FS rinjayar da yankan na Guangde, yayin da dynamic bangaren FD yafi rinjayar yankan babban yankan gefen. Matsakaicin FD mai ƙarfi yana da tasiri mafi girma akan ƙaƙƙarfan yanayi fiye da madaidaicin bangaren FS. Gabaɗaya, lokacin da buɗaɗɗen ramin da aka riga aka ƙirƙira bai wuce 0.4mm ba, ɓangaren FS yana raguwa sosai tare da haɓaka buɗewar, yayin da yanayin FD mai ƙarfi ya ragu yana lebur.

Lalacewar rawar PCB yana da alaƙa da saurin yankewa, ƙimar ciyarwa, da girman ramin. Matsakaicin radius na rawar rawar jiki zuwa nisa na fiber gilashi yana da tasiri mafi girma akan rayuwar kayan aiki. Mafi girma da rabo, mafi girma da nisa na fiber dam yanke da kayan aiki, da kuma ƙara kayan aiki lalacewa. A aikace-aikace masu amfani, rayuwar 0.3mm rawar soja na iya hako ramuka 3000. Girman rawar sojan, ƙananan ramuka suna hakowa.

Don hana matsaloli kamar lalata, lalata bangon rami, tabo, da burrs lokacin hakowa, zamu iya fara sanya kushin kauri na 2.5 mm a ƙarƙashin Layer, sanya farantin ƙarfe na jan karfe akan kushin, sa'an nan kuma Sanya takardar aluminum akan kushin. katako mai rufi na jan karfe. Matsayin takarda na aluminum shine 1. Don kare farfajiyar jirgi daga fashewa. 2. Kyakkyawan zafi mai zafi, ƙuƙwalwar ƙuƙwalwar za ta haifar da zafi lokacin hakowa. 3. Sakamakon buffering / tasirin hakowa don hana ramin karkata. Hanyar rage burrs ita ce amfani da fasahar hakowar girgiza, ta yin amfani da na'ura na carbide don rawar jiki, mai kyau taurin, kuma girman da tsarin kayan aiki kuma yana buƙatar gyarawa.