Kapangidwe ka thupi ndi ntchito za brown corundum

Kapangidwe ka thupi ka corundum yofiirira: gawo lalikulu la corundum yofiirira ndi alumina. Kapangidwe kake kamasiyanitsidwa ndi kuchuluka kwa aluminiyamu. Kachulukidwe ka aluminiyamu kakakhala kochepa, kuuma kwake kumakhala kochepa. Kuchuluka kwa zinthuzo kumapangidwa motsatira miyezo yapadziko lonse lapansi komanso miyezo ya dziko, ndipo kumatha kukonzedwa motsatira zofunikira za ogwiritsa ntchito. Makhalidwe abwino kwambiri ndi kukana kwamphamvu kwa kristalo, chifukwa cha kusweka kwa makina opukutira, tinthu tating'onoting'ono tomwe timakhala tinthu tozungulira, toyera pamwamba pouma, komanso tosavuta kulumikiza.
Brown corundum amadziwika kuti mano a mafakitale: amagwiritsidwa ntchito makamaka popanga zinthu zotsutsana, mawilo opukutira, ndi kuphulika kwa mchenga.
1. Kuphulika kwa mchenga ndi kofiirira - kuuma kwa mchenga kumakhala kocheperako, kochulukira, kopanda silika yaulere, kolimba kwambiri, ndi chinthu chabwino kwambiri chophulika kwa mchenga, chomwe chimagwiritsidwa ntchito kwambiri mu aluminiyamu, galasi la mkuwa, kutsuka jinzi ndi zina;
2. Kupera kwaulere — zopukutira zapamwamba, zomwe zimagwiritsidwa ntchito mu chubu chazithunzi, galasi la kuwala, silicon imodzi yoyera, lenzi, galasi la wotchi, galasi la kristalo, jade ndi madera ena opera kwaulere, zimagwiritsidwa ntchito kwambiri ku China ngati zinthu zakale zopera;
3. zotsukira za resin - zotsukira zokhala ndi mtundu woyenera, kuuma bwino, kulimba, mtundu woyenera wa tinthu tating'onoting'ono komanso digiri yapamwamba yosungira, zomwe zimagwiritsidwa ntchito mu zotsukira za resin
4. Zokometsera zophimbidwa - zokometsera ndi zinthu zopangira sandpaper, gauze ndi opanga ena;
5. Chodzaza cha corundum chofiirira - chomwe chimagwiritsidwa ntchito makamaka pazida zamabuleki zamagalimoto, matayala apadera, zinthu zapadera zomangira ndi kolala ina chingagwiritsidwe ntchito popanga msewu waukulu, bwalo la ndege, doko, malo oimika magalimoto, pansi pa mafakitale, bwalo lamasewera ndi zipangizo zina zosawonongeka;
6. Sefa - ndi njira yatsopano yogwiritsira ntchito zinthu zokwawa, pogwiritsa ntchito granular abrasive ngati njira yochepetsera pansi pa fyuluta, madzi akumwa oyeretsera kapena madzi otayira, ndi mtundu watsopano wa zipangizo zosefera madzi kunyumba ndi kunja, makamaka zoyenera kupangira zitsulo zopanda chitsulo, choyezera matope obowola mafuta.