Nhanganyaya, kushandiswa uye kugadzirwa kwewhite corundum
White Fused Alumina (WFA)is a artificial abrasive yakagadzirwa neindasitiri alumina poda sechinhu chikuru mbishi, iyo yakatonhodzwa uye yakakwenenzverwa mushure mekunyungudika kwepamusoro-tembiricha arc. Chinhu chayo chikuru ialuminium oxide (Al₂O₃), ine kuchena kweinopfuura 99%. Iyo chena, yakaoma, yakaonda, uye ine yakanakisa tembiricha yekudzivirira, corrosion resistance uye insulation properties. Ndiyo imwe yeanonyanya kushandiswa epamusoro abrasives.
1. Product Sumo
White corundum imhando yeartificial corundum. Kana ichienzaniswa nebrown corundum, ine yakaderera tsvina yemukati, yakanyanya kuomarara, chena ruvara, haina yemahara silica, uye haina kukuvadza kumuviri wemunhu. Iyo inonyanya kukodzera kune zviitiko zvekugadzirisa zvine zvakakwirira zvinodiwa zveabrasive kuchena, ruvara uye kugaya kuita. White corundum ine kuoma kweMohs kunosvika 9.0, yechipiri chete kune diamond uye silicon carbide. Iine zvinhu zvakanaka zvekuzvipinza, hazvisi nyore kunamatira kune workpiece pamusoro panguva yekugaya, uye ine kukurumidza kupisa kupisa. Inokodzera zvose zvakaoma uye zvakanyorova nzira dzekugadzirisa.
2. Main Applications
Nekuda kweiyo yakasarudzika yemuviri uye makemikari zvimiro, chena corundum inoshandiswa zvakanyanya muminda yakawanda-yekupedzisira, kusanganisira asi isina kuganhurirwa kune zvinotevera zvinhu:
Abrasives uye maturusi ekukuya
Inoshandiswa kugadzira ceramic grinding mavhiri, resin grinding mavhiri, emery cloth, sandpaper, scouring pads, grinding pastes, etc. Ndiyo yakakodzera kukuya zvinhu zve-high-carbon steel, alloy steel, stainless steel, girazi, ceramics nezvimwe zvinhu.
Sandblasting uye polishing
Inokodzera kucheneswa kwesimbi pamusoro, kubvisa ngura, kusimbisa pamusoro uye matte kurapwa. Nekuda kwekuoma kwayo kwepamusoro uye isina chepfu uye isingakuvadzi, inowanzoshandiswa kugadzira jecha uye kukwenenzverwa kwemhando dzemhando uye zvigadzirwa zvesimbi isina tsvina.
Refractory zvinhu
Inogona kushandiswa seyakaunganidzwa kana yakatsetseka poda yemhando yepamusoro refractory zvidhinha, zvinokandwa, uye zvekukanda zvinhu. Inoshandiswa zvakanyanya munzvimbo dzekupisa dzakaita sesimbi, isiri-ferrous simbi inonyungudutsa kiln linings, girazi kilns, nezvimwe.
Electronic / Optical industry
Inoshandiswa kugadzira yakakwirira-kuchena ceramics, optical glass grinding, LED sapphire substrate polishing, semiconductor silicon wafer kuchenesa uye kugaya, nezvimwewo, uye yakakwirira-kuchena ultrafine chena corundum poda inodiwa.
Inoshanda filler
Inoshandiswa murabha, mapurasitiki, coating, ceramic glaze uye mamwe maindasitiri kuvandudza kupfeka kuramba, kugadzikana kwekupisa uye kuita kwekudzivirira kwezvinhu.
3. Nzira yekugadzira
Maitiro ekugadzira ewhite corundum akasimba uye nesainzi, kunyanya kusanganisira anotevera matanho akakosha:
Kugadzirira kwezvinhu
Sarudza yakakwira-kuchena indasitiri alumina poda (Al₂O₃≥99%), skrini uye kemikari edza zvinhu zvakasvibirira kuti uone kuti kusachena kwemukati kwakadzikira zvakanyanya uye saizi yechikamu yakafanana.
Arc kunyungudika
Isa iyo alumina poda muchoto chetatu-chikamu chearc uye unyunguduse pakupisa kwakanyanya kwe2000 ℃. Munguva yekunyungudutsa, ma electrode anopisa kuti anyunguduse zvachose alumina uye kubvisa tsvina kuti iite yakachena corundum melt.
Kutonhodza crystallization
Mushure mekunge kunyunguduka kwatonhodzwa, inonamira nemusikirwo kuita blocky white corundum crystals. Kunonoka kutonhora kunobatsira kukudziridzwa kwezviyo uye kushanda kwakadzikama, chinova chinongedzo chakakosha kuti ive nechokwadi chemhando yewhite corundum.
Kupwanya uye kupatsanurwa kwemagineti
Iyo yakatonhorera corundum crystals inopwanyika uye yakatsetseka yakapwanyika nemichina yemagetsi, uye ipapo tsvina yakaita sesimbi inobviswa nekuparadzaniswa kwakasimba kwemagineti kuti ive nechokwadi chekuchena kwechigadzirwa chakapedzwa.
Kupwanya uye kuongorora
Shandisa zvigayo zvebhora, zvigayo zvekuyerera kwemhepo uye zvimwe midziyo kupwanya chena corundum kune inodiwa particle size, uye wobva washandisa yakakwirira-chaiyo yekuongorora midziyo yekuyera saizi yezvikamu zvinoenderana nepasi rose zviyero (seFEPA, JIS) kuti uwane jecha kana diki poda yezvakasiyana.
Kukwenenzvera uye kuchenesa (zvichienderana nechinangwa)
Kune mamwe ekupedzisira-ekupedzisira maapplication, akadai semagetsi giredhi uye optical giredhi chena corundum poda, kuyerera kwemhepo, pickling uye ultrasonic kucheneswa kunoitwa kuti iwedzere kuvandudza kuchena uye chidimbu saizi yekudzora kurongeka.
Kuongororwa kwemhando uye kurongedza
Chigadzirwa chapedzwa chinoda kuita zvakatevedzana zvemhando yekudzora maitiro sekuongorora kemikari (Al₂O₃, Fe₂O₃, Na₂O, nezvimwewo), kuona saizi yechikamu, kuona kuchena, nezvimwewo, uye mushure mekupasa bvunzo, inoiswa zvinoenderana nezvinodiwa nevatengi, kazhinji mumabhegi e25kg kana mabhegi etani.
Sechinhu cheindasitiri chine mashandiro akanaka, chena corundum inoita basa risingadzokerike mumaindasitiri mazhinji. Haisi chete mumiriri akakosha weakakwirira-magumo abrasives, asiwo akakosha ezvinyorwa muminda yepamusoro-tech yakadai sekunyatso machining, inoshanda ceramics, uye zvemagetsi zvinhu. Nekuenderera mberi kwekuvandudza tekinoroji yeindasitiri, zvinodiwa zvemhando yemusika zvewhite corundum zviri kuramba zvichivandudza, izvo zvinokurudzira vagadziri kuti varambe vachigadzirisa maitiro, kuvandudza mashandiro echigadzirwa, uye kusimudzira munzira yekuchena kwepamusoro, saizi yakatsetseka, uye yakanyanya kugadzikana mhando.