Kukosha kweGreen Silicon Carbide Micropowder muPrecision Instrument Production
Paanopinda mumaworkshop ezvishandiso zvine hungwaru, uko munhu anogona kunzwa kurova kwemoyo wake, mhepo inozadzwa nekunhuhwirira kushoma kwechinhu chinotonhodza. Mukuru Mukuru Li, achitarisa-tarisa, anoongorora bhokisi rekuyera tungsten carbide richangobva kukuyiwa rine girazi rinokudza, achigunun'una achiti, "Mazuva ano, basa iri riri kuramba richinetsa. Kukanganisa kumwe chete, kunyangwe chikamu chimwe chete chebvudzi, kunogona kupwanya chishandiso chose!" Zvechokwadi, moyo wezvishandiso zvine hungwaru—ma lenzi e optical, ma ceramic bearings, uye ma carbide probes—chimwe nechimwe chiri dambudziko guru: grit, brittle, uye divi rezvinodiwa zviri kuenderana ne nanometer scale. Panguva iyi, micropowder yegirini ine simba iri kutamba chinyararire se "gamba riri kumashure kwezviitiko"—green silicon carbide micropowder, "micrometer-level scalpel" inokosha mukugadzira zvine hungwaru.
Green silicon carbide (SiC) haisi jecha chete. Pfuma inogadzirwa nezvinhu zvakaita sejecha re quartz ne petroleum coke muchoto chinopinzwa simba, ine chimiro chakasimba (kuomarara kweMohs kwe9.5, kuri pasi pedhaimani ne cubic boron nitride). Chinonyanya kushamisa mipendero yayo yakapinza semakristaro uye hunhu hwayo hwemakemikari hwakagadzikana, zvichiibvumira kutsungirira tembiricha yepamusoro uye kudzivirira chero kukanganiswa kwezvinhu zviri kugadziriswa. Mushure mekupwanywa nekugadziriswa kwakanyatsonaka, ma micropowder aya egirini anopenya, madiki se microns mashoma kana kunyange zvikamu zve micron, akafanana ne "micro-sharp blade company" yakarongerwa uye yakapinza yakagadzirirwa kugadzirisa zvinhu zvakaoma, zvakanyanya kuomarara nekunyatsojeka.
Kugadzirisa matambudziko: "Muvengi" wekabhoni nesimbi dzesimbi
Zvishandiso zvekucheka makabhohaidhiretsi, zvigaro zveceramic bearing, uye silicon carbide sealing rings zvinowanikwa muzvishandiso zvine hungwaru. Zvinhu izvi zvakaoma zvekuti mabrasives akajairwa anonetseka kupinda mazviri, zvichikonzera kushanda kushoma uye kutsemuka nekupwanyika. Kusvika kwegreen silicon carbide micropowder kunochinja mamiriro acho ezvinhu nekukurumidza. "Ndaigaya matipi e carbide probe nekungwarira kwakanyanya, sekushongedza, uye mipendero inowanzotsemuka," akadaro Xiao Wang, uyo anoshandisa grinder yekukwesha pamusoro pechinhu chinokwesha. "Kubva pakushandisa grinding fluid yakagadzirwa negreen silicon carbide micropowder, ndava nechivimbo! Kuwanda kwekudya kuri kukurumidza, simba rekukwesha rinonzwa 'rakatsvuka', uye zvakakosha, kusimba kwemupendero kuri nani, nekutsemuka kushoma." Chakavanzika cheizvi chiri mukuoma kwakanyanya uye mipendero yakapinza yegreen silicon carbide micropowder, iyo "inocheka" zvinhu panzvimbo pekuipwanya nesimba guru. Izvi zvinoderedza zvakanyanya kukuvara kwezvishandiso zvisina kusimba uye zvinowedzera kushanda zvakanaka kwekugadzirisa.
Kuveza "Moyo weGirazi": Nyanzvi dzeKupolisha Midziyo yeOptical neSemiconductor
Maziso emidziyo yekunyatsoongorora—malenzi nemaprism emaziso, pamwe chete nemawafer esemiconductor uye machipisi eMEMS sensor—anoda nzvimbo dzakatsetseka seganda remwana (roughness Ra inowanzosvika padanho re nanometer), pasina nzvimbo yekukwenya kana kukuvara pasi pevhu. Green silicon carbide micropowder inoshanduka kuita master yekukwenya yakapfava. Munguva yekukwenya nekukwenya, green silicon carbide micropowder ine saizi yezvidimbu zvakapfava (W-grade kana kunyange finer) inoshandiswa uye inosungirirwa mumvura yekukwenya yakagadzirwa zvakanaka. "Kune quartz crystal oscillators kana nzvimbo dzekukwenya dzakanyatsojeka, suspension yegreen silicon carbide powder inoshanda zviri nani pane zvimwe zvinhu zvinodhura," akadaro nyanzvi yehunyanzvi ine makore makumi maviri eruzivo muworkshop yemaziso. "Inopa simba rekukuya rakagadzikana, uye zvidimbu zvakafanana hazviwanzo ungana uye kukwenya pamusoro. Nzvimbo yakakwenya haina kupenya, uye dambarefu rekukuvadzwa pasi pevhu harina kudzika, izvo zvakakosha pakufambisa kwemaziso uye kugadzikana kwenguva refu kwezvikamu zvemaziso!" Kusashanda zvakanaka kwe green silicon carbide kunoitawo kuti kupukuta kusasanganise tsvina nekusvibiswa, zvichiita kuti chikamu chekupedzisira chive chakachena.
Kugadzira Nemazvo: "Banga Rekuveza" reZvikamu Zvidiki Zvakaoma
Zvishandiso zvinonyatsoshanda zvakanaka zvakazara nemhando dzakasiyana-siyana dzezvinhu zvidiki zvakaumbwa zvisinganzwisisike: zvinodzivirira simbi zvisina kuumbwa zvakanaka zveceramic, migero iri mumachipisi e microfluidic, uye magiya madiki akagadzirwa necarbide yakagadzirwa nesimende. Nzvimbo idzi dzakamanikana uye dzakaoma, zvichiita kuti zvishandiso zvechinyakare zvisasvike. Green silicon carbide micropowder, pamwe chete nehunyanzvi hwekugadzira zvinhu nemazvo, inova chishandiso chine simba che "micro-carving." Semuenzaniso, kuwedzera fine-grained green silicon carbide powder mumvura yekukuya kuti ikuyiwe nemazvo kana kucheka newaya kunogona kuvandudza zvakanyanya kushanda zvakanaka kwekukuya uye kurongeka kwezvinhu zvakaoma. "Kuita kuti vhudzi rive diki mumuromo wecarbide zvinoreva kurikuya zvishoma nezvishoma negrinding paste yakasanganiswa negreen silicon carbide powder, pamwe chete netsono yakatetepa yedhaimani yekukuya," akadaro Zhao, anotarisira kugadziriswa kwemagadzirirwo emafungiro emazvo. "Zvinogadzira madziro akatwasuka uye akapfava, nekudzora kwakaringana mukati mema micrometer. Kushandisa mamwe mapoda hakuburitse mhedzisiro chaiyo." Mukugadzira zvinhu uchishandisa ultrasonic-assisted machinery, green silicon carbide powder inobatsira zvikuru mukudengenyeka kwe-high-frequency, zvichiita kuti kuchekwa, kucheka, uye kugadzirisa zvinhu zvakaoma uye zvinoputsika zvinyatsoshanda.
Kushandisa "Banga reMicron" Iri Zvizere: Ruzivo kubva kuWorkshop
Sezvo zvishandiso zvine hungwaru zvichiramba zvichiva zvidiki, zvakangwara, uye zvichiwedzera kushanda, zvinodiwa zvekugadzira zvinhu zvine hungwaru zvichava zvakaoma. Tekinoroji yehupfu hwe silicon carbide iri kuramba ichivandudzika. Ma micropowders ane saizi yakatetepa yezvikamu, zvidimbu zvakapfava (nanoscale), uye ma morphology anodzoreka (akadai se sphericity yekuderedza kukwenya) inzvimbo dzinopisa dzekutsvaga nekugadzira. Mainjiniya ari kuramba achiedza kubatanidza zviri nani green silicon carbide micropowders mumayuniti ekugadzirisa otomatiki uye akangwara (akadai se robotic polishing stations uye adaptive grinding systems ane online monitoring) kuti awane kugadzirwa kwakasimba uye kunoshanda. Mumaworkshops ekugadzirisa akarurama eramangwana, iyi "micrometer-level scalpel" pasina mubvunzo ichave yakapinza uye yakangwara.