Marwadzo Ekugadzira Mould Polishing
Chero ani zvake akashanda muindasitiri yeforoma kwemakore anopfuura gumi anoziva kuti kunyangwe kuporisha kuchiita sekunge kuri nyore, chaizvoizvo kwakaoma. Vagadziri vazhinji veforoma vanoona maitiro ekuporisha ari iwo anonetsa zvikuru - zvinotora nguva, mhedzisiro yacho haichinji, uye zvinoenderana zvakanyanya neruzivo rwemunyanzvi. Izvi ndezvechokwadi zvakanyanya ikozvino, nekusiyana kuri kuwedzera kwezvinhu zveforoma, kubva kusimbi yechinyakare yeP20 kusvika kuS136 yakaoma, uye kunyange carbide yakagadzirwa nesimende nezvinhu zveceramic. Zvinhu zveforoma zvechinyakare uye maitiro anowanzo kundikana. Mutariri weworkshop yekuporisha wefekitori yeforoma ye precision muShenzhen akandiudza kuti, "Kare, taishandisa boron carbide ne diamond powder, izvo zvaishanda zvakanaka, asi mutengo waive wakakwira zvakanyanya; mafekitori madiki mazhinji aisakwanisa kuzvitenga. Ordinary corundum powder inowanzo kukwenya, uye dzimwe nguva, mushure mekuporisha, pasi pemamwe mamiriro emwenje, kuchine mavara asina kujeka."
"Hunhu Hwakanaka" hweWhite Fused Alumina Micro-powder
Chikonzeroupfu hudiki hwe alumina hwakasanganiswa chenaInoshanda zvakanaka mukupukuta chakuvhuvhu zvinoonekwa ne "magadzirirwo ayo emajini." Chikamu chayo chikuru i α-aluminium oxide, ine kuchena kweinopfuura 99%. Kuchena uku kunorevei? Zvinoreva kusviba kushoma, zvichiita kuti isanyanya kukonzera kukwenya netsaona panguva yekupukuta. Zvakafanana nekukwenya huni nesandpaper yakanaka; kana sandpaper ine tsanga shoma dzakakora, pamusoro payo pachaparadzwa. Imwe mukana wekuchena kwakanyanya kuomarara kwakafanana. Alumina chena yakasanganiswa ine kuomarara kweMohs kwe9.0, yechipiri kune diamond nesilicon carbide, asi mukana wayo uri mukusimba kwayo kwakasimba. Avo vanopukuta vanonzwisisa kuti kana zvidimbu zveabrasive zvine kuomarara kusingawirirani, zvidimbu zvakapfava zvinotanga kudyiwa, uye zvidimbu zvakaoma zvinobuda, zvichikonzera kukwenya nyore nyore. Alumina micro-powder chena yakasanganiswa inoita "zvakafanana" zvakanyanya panyaya iyi.
Unyanzvi hweMagadzirirwo eParticle
Gore rakapera, ndakashanyira fekitori yekugadzira hupfu hudiki hwe alumina hwakasanganiswa muJiangsu, uye maneja wehunyanzvi akandiratidza mufananidzo wekuenzanisa uchishandisa maikorosikopu ye electron: "Tarisa, uyu ndiyeupfu hudiki hwe alumina hwakasanganiswa chena Tinogadzira; zvidimbu zvacho zvinonyanya kuva nehexagonal kana kuti zvinenge zvakaita sedenderedzwa, uye mativi acho akanyatsogadzirwa kuti aite denderedzwa. Kune rumwe rutivi, brown fused alumina micro-powder ine maumbirwo asina kurongeka uye mativi akapinza.” Musiyano uyu wakakosha pakupukuta mold. Kunyange zvazvo mativi akapinza achipa simba rakasimba rekucheka, anowanzo kukonzera mavanga; zvidimbu zvakatenderera, kune rumwe rutivi, zvinoita se "kukunguruka nekukuya" pane "kucheka," zvichiita kuti zvive zvakakodzera pakupukuta molds dzinoda kupenya kwepamusoro-soro. Zvakanakira zvidimbu zvakatenderera zvinonyanya kuoneka pakupukuta nzvimbo dzakaoma kusvika dzakadai senzvimbo dzakakombama nemakona emukati.
Unyanzvi hweKudzora Saizi dzeZvidimbu
Upfu hudiki hwecorundum chena hunokwanisa kudzora saizi yezvikamu. Mabrasive ekupukuta echinyakare anowanzotsanangurwa se "2000 mesh" kana "3000 mesh," asi muchokwadi, kugoverwa kwehukuru hwezvikamu kunogona kubva pa1500 mesh kusvika 3500 mesh. Zvisinei, upfu hudiki hwecorundum chena hwemhando yepamusoro hunogona kuita kugoverwa kwakatetepa kwezvikamu. Semuenzaniso, chigadzirwa chakanyorwa kuti W7 (chakaenzana ne2500 mesh) chichava nezvikamu zvinopfuura 95% mukati mehuwandu hweW6.5-W7.5.
Kugoverwa kwezvikamu zvidiki zvakakosha sei pakupukuta chakuvhuvhu? Fungidzira uchisefa mupunga nesefa; kana tsanga dzemupunga dzakafanana pahukuru, maitiro ekusefa akatsetseka; kana dziri dzehukuru hwakasiyana, tsanga diki dzichavhara maburi esisefa. Nheyo imwecheteyo inoshanda pakupukuta. Upfu hudiki hune saizi yakaenzana hwezvikamu hunovimbisa kucheka nguva dzose panguva yekupukuta, kudzivirira mamiriro ezvinhu apo dzimwe nzvimbo dzinopukutwa zvakanyanya nepo dzimwe dzisina kupukutwa zvakakwana.
Kushanda muZvishandiso Zvinoshanda
Kambani iri muGuangzhou inogadzira maforoma ekurongedza zvizoro yaimboda maawa makumi matatu nemashanu kuti iporishe seti yemaforoma emhando yepamusoro elipstick tube. Mushure mekushandura kuenda ku white corundum micro-powder, nguva yacho yakaderedzwa kusvika maawa makumi maviri nemaviri. Nyanzvi yavo yekuporishera yakandiudza kuti, "Kare, taifanira kungwarira zvakanyanya padanho rekupedzisira rekuporishera; kunyangwe kukanganisa kudiki kunogona kukonzera kuporisherwa zvakanyanya kana kukwenywa. Iye zvino, ne white corundum micro-powder, maitiro ekuporishera ari nyore kudzora, kunyanya mumatanho ekupedzisira, uko kupenya kushoma kunokwana kuti tiwane girazi rakajeka."
Munyaya yekupukuta mold pafoni, zvakanakiraupfu hudiki hwecorundum chenazvinotonyanya kuoneka. Mabhokisi efoni anoda kupenya kwepamusoro-soro, dzimwe nguva kunyange pasi peRa 0.01 micrometers. Imwe fekitori muDongguan inonyanya kugadzira maforoma esimbi efoni yakaita bvunzo yekuenzanisa: paipukuta maforoma ealuminium alloy, kushandisa white corundum micro-powder kwakaita kuti kupenya kwepaso kuve kwakaderera ne20% zvichienzaniswa nezvinhu zvekupukuta zvechinyakare, ukuwo ichideredza nguva yekupukuta ne15%. Kushandiswa kweMaforoma Ezvinhu Zvakasiyana
Nekufambira mberi kwezvinhu zvechimurenga, kuomarara kwakanyanya uye kusakara zvakanyanya kuri kuwedzera, zvichikonzera matambudziko matsva ekupukuta. Semuenzaniso, zvinhu zvechinyakare zvekupukuta hazviwanzo shanda zvakanaka kana zvichishandiswa pazvinhu zvakaita sesimbi inomhanyisa upfu uye carbide yakasimwa. Imwe fekitori yechimurenga muShanghai yakasangana nematambudziko pakugadzira maforoma ekusimbisa carbide yakasimwa; kuomarara kweforoma kwakasvika pamusoro peHRC70, uye zvinhu zvechimurenga zvakajairwa zvaisashanda. Vakazoedza kushandisa white corundum micro-powder ine special polishing paste, uye mhedzisiro yacho yaive yakanaka zvinoshamisa. Mutungamiriri wavo wehunyanzvi akati, "White corundum micro-powder ine kuomarara kwakakwana uye hunhu hwakakodzera hwekuzvirodza. Munguva yekupukuta, mipendero mitsva yekucheka inogara ichiratidzwa, ichichengetedza kushanda kwekupukuta."
Mabhenefiti Ehupfumi
Varidzi vazhinji vemafekitori eforoma pakutanga vainetseka nezvekudhura kwakanyanya kweforoma.corundum chenaupfu hudiki, asi kunyatsoongorora kunoratidza kuti mabhenefiti ese ari nani. Muridzi wefekitori yeforoma muTaizhou, Zhejiang, akaverenga mari yacho kwandiri: pakutanga, kupolisha seti yemaforoma epurasitiki epakati nepakati kwaidhura anenge 800 yuan pabasa nezvinhu, zvichitora maawa masere; mushure mekushandisa white corundum micro-powder, kunyangwe mutengo wezvinhu wakawedzera ne100 yuan, nguva yakaderedzwa kusvika maawa mashanu, uye mari yevashandi yakaderera neanopfuura 200 yuan, zvichikonzera kudzikiswa kwemari yese neanopfuura 100 yuan. Uyezve, mhando yepamusoro yaive yakagadzikana, uye zvichemo zvevatengi zvakaderera.
Chinonyanya kukosha ndechekuti inowedzera hupenyu hwechiumbwa. Maitiro ekupukuta zvakanaka anogona kubvisa matombo madiki diki pamusoro pechiumbwa uye kuderedza kushushikana. Data rinoratidza kuti chiumbwa chakanyatsopfekwa neupfu huchena hwecorundum hune avhareji yehupenyu hwe15%-20%. Izvi zvakakosha zvikuru kune chiumbwa chinodhura makumi kana kunyange mazana ezviuru zveyuan.
Mazano Ekushandisa uye Zvekudzivirira
Kunyangwe hupfu hwe white corundum micro-powder huchishanda zvakanaka, kushandiswa kwahwo kunoda matekiniki chaiwo. Nyanzvi yehunyanzvi kubva kukambani yehunyanzvi hwekupukuta muQingdao yakagovana ruzivo rwayo:
Kushandisa zvakarongwa kwakakosha. Haufanirwe kushandisa grit size yakafanana pakupukuta kwakashata uye kwakanaka; unofanira kuenderera mberi zvishoma nezvishoma nenzira "yakakombama-yepakati-yakatsetseka". Semuenzaniso, unogona kutanga neW40, wobva wachinja zvishoma nezvishoma kuenda kuW10, wozopedzisira washandisa W3.5 kana finer micro-powder pakupukuta kwakanatswa. Sarudzo yekutakura kwakakosha. White corundum micro-powder inofanira kushandiswa ne polishing paste yakakodzera kana liquid carrier. Vatakuri vemafuta vakakodzera polishing yesimbi, nepo vatakuri vemvura vakakodzera simbi dzisina ferrous. Mutakuri haangopi chete suspension uye lubrication asiwo anobvisa marara akabviswa.
Kumanikidzwa nekumhanya zvinofanira kuenzaniswa. Kumanikidzwa kwakanyanya kwekupukuta hakusi nani nguva dzose; kumanikidzwa kwakanyanya kunogona kukonzera kuti zvidimbu zvidiki zvipinde pamusoro pebasa. Kazhinji, kana saizi yezvidimbu zvidiki yakadzikira, kumanikidzwa kunoderedza, uye kumhanya kunogona kuwedzerwa zvakakodzera. Maitiro ekuchenesa haafanirwe kufuratirwa. Nguva dzese kana saizi yezvidimbu ichichinjwa, pamusoro pechiumbwa nezvishandiso zvekupukuta zvinofanirwa kucheneswa zvakakwana kudzivirira zvidimbu zvakakora kuti zvisasanganisike mukuita kunotevera. Nyanzvi dzine ruzivo dzinoshandisa girazi rekukudza kuti dzitarise kuchena mushure mekuita kwega kwega.
Maitiro Ekusimudzira Maindasitiri
Zvichibva pane zvakaonekwa kubva mukuratidzira uye kuchinjana kwehunyanzvi mumakore achangopfuura, maitiro akati wandei ari kubuda mukushandiswa kweupfu hwealumina white mukugadzira mold polishing: Kugadzirisa zvinhu kuri kuramba kuchiwanda. Vagadziri vazhinji veupfu hwealumina white vari kutanga kupa masevhisi "akagadzirwa nevanhu vakakodzera", vachipa huwandu hwakasiyana hwehupfu hwealumina white zvichienderana nezvinhu zvakaita semold material, midziyo yekupukuta, uye zvinodiwa pakupedzisa pamusoro. Vamwe vakatogadzira mafomula akasarudzika emhando dzakasiyana dzesimbi.
Zvigadzirwa zvemusanganiswa zviri kuwedzera mukurumbira. Zvigadzirwa zvekupukuta zvinosanganisa alumina chena nezvimwe zvinhu zviri kutanga kuoneka, zvakaita sealumina chenapamwe chete necerium oxide, kuyera simba rekucheka uye kupedzisa kwepamusoro; uye pamwe chete nedhaimani micro-powder yekupukuta zvinhu zvakaoma zvakanyanya. Zvigadzirwa zvine hushamwari kune zvakatipoteredza zviri kuva nzvimbo itsva inonyanya kufarirwa. Nekuwedzera kwezvinodiwa zvakatipoteredza, zvigadzirwa zve alumina chena micro-powder zvisina simbi dzinorema, zvisina guruva shoma, uye zviri nyore kudzokororwa zviri kutariswa zvakanyanya. Vamwe vagadziri vakagadzira masisitimu ekupukuta anonyungudika mumvura kuderedza kushandiswa kwe organic solvents.