Ana iya inganta aikin yumbun Alumina Abrasive Particles ta hanyar ƙara narkakken alumina da ke da ƙarfi don samar da ƙafafun abrasive. A wannan lokacin, ya zama dole don sanin tsayin tsayin baka na niƙa dabaran a kan workpiece, don sanin ƙimar dabaran niƙa. Silicon carbide: SiC abrasive yana da siffa mai kaifi ta halitta. Dace daniƙaabubuwa masu wuya (kamar siminti carbide). Saboda kaifinsa, shi ma ya dace da sarrafa abubuwa masu laushi, kamar su aluminum, polymers, robar, low ƙarfi karfe, tagulla gami da robobi.
Lu'u-lu'u: Dukansu lu'u-lu'u na halitta da na roba ana iya amfani da su don niƙa. Lu'u-lu'u nau'i ne na nau'in taurin carbon. Saboda yana da alaƙa da baƙin ƙarfe (ƙarfe shine gami da baƙin ƙarfe da carbon) kuma yana haɓaka saurin lalacewa, bai dace da shi ba.injikayan ferrous, amma lu'u-lu'u ya dace musamman don niƙa kayan da ba na ƙarfe ba, titanium, tukwane da ceriti. CBN: Kamar lu'u-lu'u, CBN yana da tsada sosai.
Farashin wata babbar dabaran abrasive ta fi sau 50 sama da na wata dabarar abrasive ta gama gari, amma rayuwar sabis ɗin ta ya fi sau 100 sama da na wata dabarar abrasive ta gama gari. Ko da karfen da ya fi karfi ya nika, dan kadan ne kawai ake sawa. CBN ya fi dacewa damashingferrous kayan, musamman a lokacin da siffar nika da ake bukata a kiyaye na dogon lokaci, kamar nika na tseren hanya a cikin bearing. Bugu da kari, CBN ya fi dacewa da tsarin maye gurbi a kai-a kai, domin kananan batches da maye gurbin motan na bukatar tufafi a lokacin da ake sakawa, wanda shi ne babban abin da ke haifar da amfani da dabaran.
Domin CBN zai amsa da ruwa a cikin zafin jiki mai yawa kuma zai hanzarta lalacewa, yakamata a yi amfani da ethylene glycol ko mai. A bond na talakawaniƙadabaran iya zama yumbu, guduro ko filastik, yayin da bond na super wuya abrasive za a iya rufe a kan nika dabaran sintered karfe matrix ko electroplating nickel Layer. Irin wannan dabaran niƙa ba ta da ƙarfi kuma ba ta da kogo.
Theniƙaruwa na haɗin ƙarfe da injin niƙa na lantarki za a zaɓi a hankali don hana ƙafafun niƙa daga zamewa. Babban matsi mai ƙarfi na hydraulic da aka haifar a yankan baka yayin zamewa zai ɗaga dabaran niƙa, wanda zai haifar da lalacewar gama aikin aikin da haɓakar lalacewa.
Lokacin aikawa: Janairu-07-2023