Ramuka na lasisunkAn haƙa shi a kan jirgin kewaye tare da murfin dutse mai laushi ko wuka gong, amma ba za a rushe shi ta hanyar (watau, Semi ta hanyar ramuka). Sashe na wucewa tsakanin bangon rami a waje / mafi girma rami diamita da ramin rami a mafi karamin rami diamita na layi daya layi daya a layi daya zuwa saman PCB. Kulama yana haɗa manyan ramuka da ƙananan jirgin sama ne, ba jirgin sama mai karkata ba.

Counterebore ana amfani dashi sosai don allon ƙarfe na ƙarfe, kamar Alumomin alumini da jan ƙarfe. A substrate na karfe yana da babban ƙarfin injiniya kuma baya da sauƙi a lalata tsarin PCB.
Layin-rami, kamar yadda sunan ya nuna, shima mai ta ne, wanda zai iya wucewa ta abubuwa ko taya girman da ya dace,
Aikin shine:
a. Ana amfani dashi don haɗi kuma ana iya yin su cikin kayan kwalliya ta hanyar-rami.
b. Sanya silinda don injunan piston.
c. A rayuwa, tufafin da wando da muka sa su ma misalai ne na aikace-aikacen-rami
Babban rami mai laifi shine jan karfe toshe - a cikin rami.
Saboda ƙirar musamman na kafa, ana iya haɗa da ƙarfi tare da rami mai dorewa ta hanyar tsarinta tsarinsa bayan an saka shi cikin rami.
Amfanin shine don rage siyar da igiyar ruwa don sanyayen irin waɗannan abubuwan. Idan ba a welding irin wannan ramin ba a ƙarshe, zai zama da sauƙi a maye gurbin sassan. Tabbas, maimaita sauyawa zai shafi amincin ramin.
Abubuwan da aka gabatar suna buƙatar ramukan da ke buƙatar ƙididdigar ƙididdigar ƙididdigar aiki, maimakon aikin fadada.
Wasu abubuwan haɗin za a sake kunna su gaba bayan lokacin da aka weldoye wasu abubuwa, yayin da wasu ba za a welded ba.

Koyarwa ya kasu kashi uku:
1
2. Shugaban da sauri ba gaba daya ya kasance gaba daya a cikin matakin rami na sashi, wanda ake kira Coultersink
3. Shugaban da sauri ba zai nutse a cikin wani sashi ba a zahiri, kuma kawai rami tare da lebur farfajiya na bangare ana kiransa kifi
Bambanci tsakanin rami Countersunk da rami Couperung Ramin mai lasisun da aka tsara 45 ne, wanda yake mai laushi fiye da rami mai amfani.
 
Babban sake fasalin rami mai bakin ciki zai iya saukar da kai mai kazanta, saboda haka kai shugaban aron ba ya fi girma a kewaye.