Kodi abrasive ndi chiyani

Ma abrasives ndi akuthwa, zinthu zolimba zomwe zimagwiritsidwa ntchito pogaya malo ofewa.Ma abrasives ali ndi abrasives achilengedwe ndi abrasives opangira magulu awiri.Malinga ndi kuuma kwa gulu la superhard abrasive ndi wamba abrasive magulu awiri.Ma abrasives amachokera ku zinthu zofewa zapakhomo ndi zopangira miyala yamtengo wapatali mpaka kuzinthu zolimba kwambiri, diamondi.Ma Abrasives ndi zinthu zofunika kwambiri popanga mitundu yonse yazinthu zolondola.Ma abrasives ambiri achilengedwe asinthidwa ndi abrasives ochita kupanga.Kupatulapo diamondi, katundu wa abrasives achilengedwe sali okhazikika, koma amakhalabe ndi mtengo wogwiritsa ntchito.Daimondi, yomwe imakhala yovuta kwambiri, imapangidwa makamaka ku South Africa, yomwe imapanga 95% ya dziko lonse lapansi, ndi zina zonse ku Brazil, Australia, Guyana ndi Venezuela.Ma diamondi aku mafakitale amachokera ku zoyera mpaka zakuda.Pambuyo pogaya, mawilo akupera, malamba abrasive, mawilo opukutira ndi ufa wogaya amatha kupanga.