Igwe eji egweri ọla edo edo dị mma maka ịmị mkpụrụ na polishing carbide: Ceramic zirconia alumina, silicon, magnetic, kristal, ọla dị mma, iko, okwute, osisi osisi na ihe ndị ọzọ, CBN na-egweri ma na-akpụ akpụ: igwe ihe ike, ọkara ezigbo egweri, inye aka ọma, enyo enyo. CBN polishing na-egwepu mkpanaka isi dị mma maka igwe na-egweri ma na-egbu osisi, dị ka igwe anaghị agba nchara, igwe anaghị arụ ọrụ, nchara nchara, na-ebu nchara, igwe nchara dị elu, iron glitlit grey iron, alloy temprechọ dị elu, ihe ndị siri ike nke hrc40 ogo ma ọ bụ karịa nke ihe ọgwụgwọ ọkụ, ihie diamond na usoro: polishing ike, ọkara polishing, ezigbo polishing, elu gloss mirror polishing. Enwere ike ikewa isi onye n’acho achoro n’onye ndozi diamond, isi ihe ndi a n’ebughari ya na isi akwara carbon Nrụ ọrụ ya dị elu na-eguzogide ọgwụ, na-eyi ya ma na-egbusi ike. Ọ bụ ngwaahịa dị mkpa maka nhazi ngwaike, nhazi lathe na nhazi okwute. Site na ọganihu nke sayensị na teknụzụ, a na-ewebata ngwaahịa ndị isi na - akpụ akpụ mgbe niile. Nkịtị bit Diamond cutter isi bụ isi ahu nke diamond hụrụ agụba. Igwe oji diamond na –eme ka odo na otite matrix di. Diamond bụ ụdị ihe siri ike nke ukwuu, nke na-arụ ọrụ nke mbelata. Ihe mgbochi Matrix na-arụ ọrụ nke idozi diamond. Ihe mejupụtara ya bụ ntụ ntụ ma ọ bụ ntụ ọla. A na-akpọ usoro dị iche iche usoro. Dabere na ebumnuche dị iche, usoro dị iche na diamond. Carbide cutter Alloy cutter isi, makwaara dị ka isi alloy cutter isi, bụ isi akụkụ nke akụrụngwa lathe nhazi. Ejiri tungsten, cobalt na magnesium mee ya. Ihe ndi ozo di iche