Alumina ceramics siam chhuah dan tur .
Powder siam dan tur .
Factory-a aluminum oxide powder hi product mamawh hrang hrang leh molding process hrang hrang angin powder material-ah siam a ni. Powder particle size chu 1μm aia tlem a ni a, alumina thianghlimna bakah high-purity alumina ceramic product siam chu 99.99%-ah a ni a, mahse ultrafine grinding leh a particle size distribution uniform siam a ngai bawk. Extrusion molding emaw injection molding emaw hman a nih chuan binder leh plasticizer te chu powder chhungah dah a ngai a, a tlangpuiin thermoplastics emaw resins emaw weight ratio 10-30% a dah a ngai a ni. Organic binder chu alumina powder nen 150-200 temperature-ah a ruala inhmeh tur a ni a, chu chuan molding operation a ti awlsam tur a ni. Hot pressing process atanga powder material lo awm chuan binder a dah tel a ngai lo. Semi-automatic emaw automatic dry pressing molding hman a nih chuan powder hian special process requirement a nei a, spray granulation method hmanga powder enkawl a, spherical anga lang tur a ni a, chutiang chuan powder fluidity siam that leh molding chhunga mold wall automatic filling awlsam zawk nan a ni. Chu bakah, powder leh mold wall inkar friction tihtlem nan chuan lubricant 1 atanga 2%, stearic acid, leh binder PVA te dah tel a ngai a ni.
Dry press molding atan chuan powder spray granulation a ngai a, chutah chuan polyvinyl alcohol chu binder angin an rawn luh tir a. Shanghai-a research institute pakhat chuan AL203 spray granulation atana binder atan water-soluble paraffin wax an siam a, hei hian heating hnuaiah fluidity tha tak a nei a ni. Granulation spray hnua powder hian fluidity tha tak, loose density tha tak a nei tur a ni a, flow angle friction temperature 30℃aia tlem a nei tur a ni . Blank density sang zawk hmuh theih nan chuan particle size ratio hi a tha ber a ni.
Forming hmanga siam dan .
Alumina ceramic product siam dan tur chu dry pressing, grouting, extrusion, cold isostatic pressing, injection, casting, hot pressing leh hot isostatic pressing te a ni. Tun hnaiah ram chhung leh ram pawnah filter molding, direct solidification injection molding, gel injection molding, centrifugal injection molding leh solid free molding technology te an siam chhuak a ni. Product shape hrang hrang, size hrang hrang, complex shape leh precision product te hian molding method hrang hrang an mamawh a.
A siam dan tlangpui hriat hmasakna:
1, Dry Press Molding: Alumina Ceramic Dry Press Molding Technology hi a pianzia pangngai leh a chhung lam wall thickness 1mm aia tam a nih chuan a sei zawng leh a diameter ratio chu 4:1 aia tam a ni lo. Molding hman dan chu uniaxial emaw bidirectional emaw a ni. Press hian hydraulic type leh mechanical type chi hnih a nei a, chu chu semi-automatic emaw automatic forming method emaw pawh a ni thei. Press pressure sang ber chu 200mpa a ni. Output chu minute khatah 15 ~ 50 pieces a tling thei. Hydraulic press-a stroke pressure inang tlang tak avang hian powder filling a danglam chuan pressing parts san zawng a danglam a ni. Mechanical press-in pressure a pek zat hi powder filling tam vang a ni a, hei hi sintering hnua size tlahniam leh product quality tichhe thei tur a awlsam hle. Chuvangin, mold filling atan chuan dry pressing process-a powder particle inang lote chu a inang tlanga an insem darh dan chu a pawimawh hle a ni. Filling amount dik leh dik loh hian alumina ceramic part siamte dimensional accuracy control-ah nghawng lian tak a nei a ni. Powder particle 60μm aia tam, 60 ~ 200 mesh inkar hian free flow effect sang ber a hmu thei a, pressure molding effect tha ber a hmu thei a ni.
2, Grouting Molding hman dan: Alumina ceramics siamna atana hman hmasak ber chu grouting molding a ni. Gypsum mold hman a nih avangin a man a tlawm a, a lian leh a chi hrang hranga siam awlsam parts siam a awlsam hle. Grouting molding key chu alumina slurry siam a ni. A tlangpuiin tui chu flux medium atan hman a ni a, chutah chuan degumming agent leh binder te chu a dah tel a, full grinding hnuah gas chu a chhuak a, chutah chuan plaster mold chu hnunglam hawiin an theh a ni. Plaster mold-a capillary-in tui a lakluh avangin slurry chu mold-ah a solidified a ni. Hollow grouting-ah chuan slurry tam lutuk chu mold wall-a slurry adsorb a nih chuan a thickness mamawh a thlen chuan a chhuah tur a ni. Taksa a tlahniam tlem theih nan a theih ang anga sang slurry hman tur a ni.
Alumina ceramic slurry-ah pawh organic additives dah tel a ngai a, chu chuan slurry particle chung lamah double electric layer a siam a, chutiang chuan slurry chu settling awm lovin stably suspend a ni. Tin, vinyl alcohol, methyl cellulose, alginate amine leh dispersants te, polyacrylamide leh gum arabic te pawh grouting molding operation atana hman tlak a nih theih nan an dah tel bawk.
