abun ciki
 | PDC gajere ne na ƙaramin lu'u-lu'u na polycrystalline. Wani sabon nau'in kayan aiki ne. Ana yin shi ta hanyar sintering lu'u-lu'u foda da siminti na carbide substrate a ƙarƙashin matsanancin matsanancin matsin lamba da yanayin zafin jiki. Ba wai kawai yana da babban taurin, babban juriya mai juriya da yanayin zafi na lu'u-lu'u ba, har ma da ƙarfi da juriya na siminti carbide. Taurin tasiri shine ingantaccen abu don kera kayan aikin yankan, hakowa da sauran kayan aikin da ba za su iya jurewa ba. Lu'u lu'u lu'u-lu'u kunshin takardar yana da duka biyu musamman high lalacewa juriya na polycrystalline lu'u-lu'u da kuma babban tasiri juriya na cemented carbide, da lu'u-lu'u Layer iya ko da yaushe kula da wani kaifi yankan baki, don haka ana amfani da taushi zuwa matsakaici wuya formations a man fetur da kuma Geological hakowa. . mai kyau sosai. Abun lu'u-lu'u a cikin takardar haɗe-haɗe yana da girma kamar 99%, don haka Layer lu'u-lu'u yana da tsayin daka sosai da ingantaccen juriya. Taurinsa Knoop shine (6.5～7) × 104 MPa, ko ma mafi girma. Kaurinsa yana da bakin ciki sosai, gabaɗaya ana sarrafa shi a kusan 0.5 zuwa 1 mm. A tsaye an lulluɓe shi kuma an yi masa walda akan ɗigon rawar jiki, yankan gefensa yana da kaifi kuma koyaushe yana ci gaba da kaifi, wanda kuma ake kira ƙaramin kayan aikin yankan. Idan kuna sha'awar kowane girman mu na PDC cutters da PDC bit, da fatan za a ji kyauta don tuntuɓar mu ta Lucy@tydrillbits.com. |
