Kodi corundum ya bulauni ingalowe m'malo mwa corundum yoyera mu abrasives ndi zida zopera? —— Mafunso ndi Mayankho a Chidziwitso
Q1: Kodi brown corundum ndi white corundum ndi chiyani?
Brown corundumndi abrasive opangidwa ndi bauxite monga waukulu zopangira ndi kusungunuka pa kutentha kwambiri. Chigawo chake chachikulu ndialuminium oxide(Al₂O₃), yokhala ndi pafupifupi 94% kapena kuposerapo, ndipo imakhala ndi chitsulo chochepa chachitsulo ndi silicon oxide. White corundum ndi abrasive yoyera kwambiri, ndipo chigawo chake chachikulu ndi aluminium oxide, koma ndi chiyero chapamwamba (pafupifupi 99%) ndipo pafupifupi palibe zonyansa.
Q2: Kodi pali kusiyana kotani pakati pa brown corundum ndi white corundum mu kuuma ndi kulimba?
Kuuma: White corundum ili ndi kuuma kwakukulu kuposabrown corundum, kotero ndi oyenera pokonza mkulu-kuuma zipangizo. Kulimba: Brown corundum imakhala yolimba kwambiri kuposa white corundum, ndipo ndi yoyenera pazithunzi zomwe zimakhala ndi zofunikira zokana kwambiri monga kugaya movutikira kapena kugaya kwambiri.
Q3: Kodi madera akuluakulu a brown corundum ndi ati?
Chifukwa cha kulimba kwake komanso kuuma kwake pang'ono, brown corundum imagwiritsidwa ntchito kwambiri mu:kugayamawonekedwe monga kugaya movutikira komanso kugaya kwambiri. Kukonza zinthu ndi kuuma kwapakati, monga chitsulo, castings, ndi matabwa. Kupukuta ndi sandblasting, makamaka pamwamba roughening.
Q4: Kodi ma corundum oyera amagwiritsa ntchito chiyani?
Chifukwa cha kuuma kwake kwakukulu ndi chiyero chapamwamba, corundum yoyera imagwiritsidwa ntchito nthawi zambiri: kupukuta molondola ndi kupukuta, monga kukonza zitsulo zolimba kwambiri ndi zitsulo zosapanga dzimbiri. Kukonza zida zamagetsi ndi zida za ceramic zokhala ndi zofunikira zapamwamba. Malo opangira zolondola kwambiri monga zida zamankhwala ndi zida zowonera.
Q5: Ndi nthawi ziti zomwe corundum ya bulauni ingalowe m'malo mwa white corundum?
Zochitika zomwe brown corundum ingalowe m'malowhite corundumzikuphatikizapo: kuuma kwa zinthu kukonzedwa ndi otsika, ndi kuuma abrasive sikuyenera kukhala makamaka mkulu. Zofunikira pakuwongolera bwino sizokwera, monga kupukuta movutikira kapena kubweza. Pamene ndalama zachuma zimakhala zochepa, kugwiritsa ntchito brown corundum kumatha kuchepetsa kwambiri ndalama.
Q6: Ndizochitika ziti zomwe corundum yoyera ingasinthidwe ndi brown corundum?
Zinthu zomwe white corundum sizingasinthidwe ndi brown corundum zikuphatikizapo: kukonza molondola zinthu zolimba kwambiri, monga zitsulo za carbon ndi zitsulo zosapanga dzimbiri. Kukonza zochitika zokhala ndi zofunikira zapamwamba kwambiri, monga kupukuta galasi. Mapulogalamu omwe amakhudzidwa kwambiri ndi zinyalala za abrasive, monga zida zachipatala kapena semiconductor processing.
Q7: Kodi pali kusiyana kotani pamtengo pakati pa brown corundum ndi white corundum?
Zida zazikulu za brown corundum ndi white corundum zonse ndi miyala ya aluminiyamu; koma chifukwa cha njira zosiyanasiyana zogwirira ntchito, mtengo wamtengo wapatali wa brown corundum ndi wotsika kwambiri, choncho mtengowo ndi wotsika kwambiri kuposa white corundum. Kwa ma projekiti omwe ali ndi ndalama zochepa, kusankha brown corundum ndi njira yotsika mtengo.
Q8: Mwachidule, mungasankhe bwanji abrasive yoyenera?
Kusankhidwa kwa brown corundum kapena white corundum kuyenera kutsimikiziridwa malinga ndi zosowa zenizeni:
Ngati zosowa zanu zimakhala zovuta kugaya kapena kuwongolera mtengo, ndi bwino kugwiritsa ntchito brown corundum. Ngati zofunikira zolondola zogwirira ntchito ndizokwera ndipo chinthu chokonzekera ndi chitsulo chokhala ndi kuuma kwakukulu kapena mbali zolondola, corundum yoyera iyenera kusankhidwa. Mwa kusanthula momveka bwino mawonekedwe a ziwirizi, mutha kupeza bwino pakati pa magwiridwe antchito ndi mtengo. Ngati mudakali ndi mafunso, mutha kufunsa akatswiri motsatira momwe mungagwiritsire ntchito.