Countersunk ramukanana hakowa akan allon da'ira tare da allura mai lebur na kai ko wuƙa, amma ba za a iya haƙa ta (watau rabin ramuka).Bangaren canji tsakanin bangon rami a mafi girma / mafi girman diamita da bangon rami a mafi ƙarancin rami yana daidai da saman pcb.Bangaren da ke haɗa manyan ramuka da ƙanana jirgi ne, ba jirgi mai karkata ba.
Ana amfani da Counterbore galibi don allunan kewayen ƙarfe, irin su aluminum substrate da jan karfe.The karfe substrate yana da high inji ƙarfi da kuma ba sauki lalata PCB tsarin.
Ramin, kamar yadda sunan yake nufi, shi ma rami ne, wanda zai iya ratsa ta cikin abubuwa ko ruwa masu girman da ya dace.
Aikin shine:
a.Ana amfani da shi don haɗi kuma ana iya sanya shi cikin rami mai zare.
b.Yi silinda don injunan piston.
c.A rayuwa, tufafi da wando da muke sawa suma misalai ne na aikace-aikacen ta hanyar rami
Babban ramin daɗaɗɗen ramin ramin toshe-in na tagulla ne.
Saboda zane na musamman na ƙafar kashi, ana iya haɗa shi da ƙarfi tare da ramin ta hanyar tashin hankali bayan an shigar da shi cikin rami.
Amfanin shine don rage saitin siyar da igiyar ruwa don walda irin waɗannan abubuwan;Idan irin waɗannan ramukan ba a haɗa su a ƙarshe ba, zai zama sauƙi don maye gurbin sassan.Tabbas, maye gurbin maimaitawa zai shafi amincin ramin.
Gabaɗaya ana samar da fil ɗin da ke buƙatar ramukan datsewa tare da aikin faɗaɗa, maimakon aikin zaren.
Wasu abubuwan za a sake walda su daga baya lokacin da aka haɗa sauran abubuwan, yayin da wasu ba za a yi walda ba.
An kasu Counterbore zuwa sunaye uku:
1. Cike kan maɗaurin gabaɗaya a cikin ramin mataki na ɓangaren, wanda ake kira counterbore
2. Ba a nutse kan maɗaurin ba gaba ɗaya a cikin rami na ɓangaren, wanda ake kira countersink.
3. Kan na fastener ba zai nutse a cikin sashin ba, kuma kawai ramin da ke da gefen gefen sashin ana kiran shi kifi kifi.
Bambance-bambancen tsakanin ramin countersunk da ramin juzu'i shine cewa an sake gyara sashin sama na rami: ramin countersunk shine tsarin silinda madaidaiciya;Ramin countersunk tsari ne na digiri 45, wanda ya fi santsi fiye da ramin countersunk.
Ƙaƙwalwar rami na sama na iya ɗaukar kan soket, ta yadda maƙarƙashiyar ba ta fi abin da ke kewaye ba.
