Hav nyob ntawd! Raws li ib tug neeg muag khoom ntawm graphite hlab, kuv feem ntau tau nug seb graphite hlab yuav machined tau yooj yim. Zoo, cia peb dhia mus rau hauv nws thiab tshawb txog lub ncauj lus no.
Ua ntej tshaj, cia peb tham me ntsis txog graphite nws tus kheej. Graphite yog ib daim ntawv ntawm cov pa roj carbon nrog qee qhov zoo nkauj tshwj xeeb. Nws muaj cov txheej txheem txheej, qhov twg cov pa roj carbon atom tau teem rau hauv cov ntawv hexagonal. Cov nplooj ntawv no tau tuav ua ke los ntawm cov tsis muaj zog van der Waals, uas muab graphite qee yam ntxim nyiam.
Ib qho tseem ceeb ntawm graphite yog nws cov hardness tsawg piv rau lwm cov ntaub ntawv. Qhov no txhais tau hais tias feem ntau, nws tuaj yeem ua machined nrog qee qhov yooj yim. Thaum nws los txog rau machining graphite raj, peb muaj ob peb txoj hauv kev ntawm peb qhov pov tseg.
CNC machining yog qhov kev xaiv nrov. Computer Numerical Control (CNC) cov cav tov yog qhov tseeb heev thiab tuaj yeem ua haujlwm los tsim cov duab thiab qhov ntev. Nrog graphite hlab, CNC machining tso cai rau peb kom ua tiav nruj kam rau ua thiab du tiav. Peb tuaj yeem siv qhov kawg mills, xyaum, thiab lwm yam cuab yeej txiav los ua cov raj raws li tus neeg siv khoom tshwj xeeb. Qhov qis hardness ntawm graphite txhais tau hais tias cov cuab yeej txiav tsis hnav sai li sai tau nrog cov ntaub ntawv nyuaj. Qhov no yog qhov loj ntxiv ntawm tus nqi - efficiency, vim peb tsis tas yuav hloov cov cuab yeej ntau zaus.
Lwm txoj kev yog tig. Hauv kev tig, lub raj graphite yog tig thaum lub cuab yeej txiav tshem tawm cov khoom tawm ntawm sab nrauv. Qhov no yog ib txoj hauv kev zoo los tsim cov raj nrog ib txoj kab uas hla tsis sib xws thiab cov txheej txheem du. Peb kuj tuaj yeem siv tig los tsim cov yam ntxwv zoo li cov xov ntawm lub raj yog xav tau. Ib yam li nrog CNC machining, qhov muag muag ntawm graphite ua rau txoj kev ncaj nraim.
Txawm li cas los xij, nws tsis yog txhua lub hnub ci thiab zaj sawv thaum nws los txog rau machining graphite hlab. Ib qho kev sib tw tseem ceeb yog cov hmoov av. Graphite yog cov khoom zoo - grained, thiab thaum nws yog machined, nws ua rau cov hmoov av ntau. Cov plua plav no tuaj yeem ua rau muaj kev phom sij rau kev noj qab haus huv yog tias nqus tau, yog li kev ua pa kom zoo thiab cov plua plav pov tseg yog ib qho yuav tsum muaj nyob hauv thaj chaw machining. Peb tau nqis peev rau hauv siab - cov khoom siv plua plav pov tseg kom muaj kev nyab xeeb ntawm peb cov neeg ua haujlwm thiab ua kom qhov chaw ua haujlwm huv.
Tsis tas li ntawd, graphite tuaj yeem ua nkig hauv qee kis. Yog tias cov txheej txheem machining hnyav dhau, nws tuaj yeem ua rau tawg lossis tawg ntawm lub raj. Qhov no txhais tau hais tias peb yuav tsum tau ceev faj nrog cov kev txiav, xws li tus nqi pub thiab txiav ceev. Peb yuav tsum nrhiav qhov zoo sib npaug los xyuas kom meej tias lub raj yog machined smoothly tsis muaj kev puas tsuaj.
Tam sim no, cia peb tham txog cov kev siv ntawm graphite hlab thiab yuav ua li cas machining plays lub luag hauj lwm. Graphite raj yog siv nyob rau hauv ntau yam kev lag luam. Hauv cov hlau - smelting kev lag luam, piv txwv li, lawv tau siv rau hauv cov txheej txheem xws li nruam casting. Graphite Moulds rau Nruam Casting feem ntau yog tsim los ntawm graphite hlab uas tau raug machined kom zoo zoo thiab loj. Cov raj yuav tsum muaj qhov ntev kom ntseeg tau qhov zoo ntawm cov cam khwb cia hlau.
Hauv kev tsim cov hniav nyiaj hniav kub, Graphite Pwm rau Hnub Qub Ntawm David Kub tuaj yeem ua tau siv cov tshuab graphite. Lub peev xwm los tshuab cov raj kom raug tso cai rau kev tsim cov ncauj lus kom ntxaws thiab siab - pwm zoo.
Graphite crystallizers, xws li Graphite Crystallizer, kuj tso siab rau zoo - machined graphite hlab. Cov crystallizers no yog siv rau hauv kev ua kom huv thiab crystallization ntawm ntau yam khoom, thiab qhov tseeb ntawm lub raj qhov ntev yog qhov tseem ceeb rau lawv txoj haujlwm zoo.
Yog li, los teb cov lus nug "Yuav ua li cas graphite hlab yuav machined yooj yim?", cov lus teb yog yog thiab tsis. Ntawm ib sab, qhov qis hardness ntawm graphite ua rau nws yooj yim rau tshuab piv rau ntau lwm yam ntaub ntawv. Peb tuaj yeem siv cov txheej txheem machining xws li CNC machining thiab tig los tsim cov raj nrog cov duab uas xav tau thiab qhov ntev. Ntawm qhov tod tes, cov teeb meem plua plav thiab brittleness nthuav tawm qee qhov kev nyuaj uas peb yuav tsum tau kov yeej.
Ntawm peb lub tuam txhab, peb tau txais kev paub dhau los thiab cov cuab yeej tsim nyog los daws cov teeb meem no. Peb tau nyob rau hauv kev lag luam graphite raj tau ntev, thiab peb paub yuav ua li cas tshuab cov raj mus rau cov qauv siab tshaj plaws. Txawm hais tias koj xav tau ib lub raj yooj yooj yim nrog tus qauv txoj kab uas hla lossis kev cai - cov raj tsim rau ib daim ntawv thov tshwj xeeb, peb tuaj yeem ua tau.
Yog tias koj nyob hauv kev ua lag luam rau graphite raj lossis muaj lus nug txog kev ua haujlwm graphite raj, tsis txhob yig tiv tauj. Peb ib txwm zoo siab los tham txog koj cov kev xav tau thiab muab cov lus tsocai rau koj. Peb ntseeg hauv kev tsim kom ntev - kev sib raug zoo nrog peb cov neeg siv khoom, thiab peb ntseeg siab tias peb tuaj yeem ua tau raws li koj xav tau thaum nws los txog rau graphite raj.
Cov ntaub ntawv
"Graphite: Properties and Applications" - Phau ntawv qhia txog cov khoom siv graphite.
"Machining of Non - Metallic Materials" - Ib daim ntawv tshawb fawb txog kev sib tw machining thiab cov txheej txheem rau ntau yam tsis yog - hlau yam xws li graphite.