M'zaka khumi zapitazi, kukokomeza kwazitsulo zolimba zokhala ndi polycrystalline kiyubic boron nitride (PCBN) kwalowa m'malo mwa kugaya kwachikhalidwe. Tyler Economan, woyang'anira uinjiniya ku Index, USA, adati, "Nthawi zambiri, ma grooves ndi njira yokhazikika yomwe imapereka kulondola kwapamwamba...

Mu Machining, chida nthawi zonse amatchedwa "mano opangidwa mafakitale", ndi kudula ntchito zakuthupi chida ndi chimodzi mwa zinthu zofunika kudziwa dzuwa kupanga, mtengo kupanga ndi processing khalidwe. Chifukwa chake, kusankha kolondola kwa zida zodulira ndikofunikira, mipeni ya ceramic, yokhala n...