Zooj twg yog zoo tshaj rau kev kho tshuab siv kub los ntawm kev sib txig tshuab?

Kev tso tsheb thaum siv kev tso caij rwb thiab tshuaj xwm yog kev tsim kho tshiab uas tau pab pawb hauv kev tsim kho tshuaj ntau yam. Txoj kev no siv kev tso caij rwb los tshuaj kom huv, txawm tias tsis muaj kev pab ntau, thiab pab tshuaj kom muaj form nyiaj uas tsis tuaj yeem tau los ntawm kev tsim kho tshuaj tshaib. Yuav paub seb lub hom tshuaj twg zoo tshaj plaws rau kev siv txoj kev no yog qhov tseem ceeb rau cov neeg tsim kho tshuaj uas xav kom muaj kev pab zoo tshaj rau lawv kev tsim kho thiab kom muaj kev pab zoo tshaj hauv lawv kev tsim kho.

Pom Ntawv Qhia txog Kev Tsim Khoom los ntawm Kev Muab Thaub Hluas

Daim Ntawv Qhia txog Kev Tsim Khoom los ntawm Kev Muab Thaub Hluas

Kev tsim khoom los ntawm kev muab thaub hluas tau ua raws tib neeg muaj zog hluas thiab qhov chaw sib npaug ntawm lub electrode thiab daim ntawv hlau. thaum muaj ib qhov voltage sib txuas nrog rau ib qhov av tsev leeg uas muaj dej dielectric, kev sib hluas tuaj yeem tsim kev ntxhiav zog uas yuav tshem thiab vaporizes cov ntawv hlau leek leek. qhov kev ua no tuaj yeem ua tag 1000 zaug ib feeb, tso cov ntawv hlau los ntawm daim duab ntawm lub electrode. qhov kev ua no nyob ntawm kev sib txuas hluas thiab kev tshwm kab hluas ntawm cov khoom siv.

Daim tshuab dielectric lub zog muaj feem ntau hauv kev pab kho tshuab EDM los pab kho tshuab nres tshuab thiab tshuab siv mus txog thaum lub zog hlo li tshaj tawm. Thaum kawg tshuab tshuab, lub zog pab ntxuav cov ntawv tshuab tshuab thiab ntxoov ntxoo cov chaw siv tshuab. Cov ntaub ntawv sib txawv muaj kev txwv ntau hauv kev tshuab tshuab hauv kev tshuab tshuab, kev sib txuas, thiab kev hlo tshuab. Cov ntaub ntawv muaj kev sib txuas zoo tshaj hauv kev tshuab tshuab yuav tshwm sim cov kev tshwm sim zoo tshaj thiab zoo tshaj hauv kev kho tshuab.

Cov ntaub ntawv tseem ceeb rau kev tshwm sim ntawm EDM

Muaj ntau yam qauv tseemceeb txiav txim siab tias yam ntaub ntawv twg yuav ua haujlwm zoo li cas nyob hauv kev ua haujlwm siv kws tshaj lij. Kev sib txuas rau hauv qhov chaw sib txuas yog qhov tseemceeb tshaj plaws, vim tias yam ntaub ntawv yuav tsum sib txuas rau hauv qhov chaw sib txuas kom pab tau rau kev sib txuas. Yam ntaub ntawv uas muaj kev sib txuas siab dua feem ntau yuav ua haujlwm ntev dua thiab muaj kev nyab xeeb dua, tab sis yam ntaub ntawv uas muaj kev sib txuas siab tshaj plaws yuav xav tau kev lag luam nrog ntau yam ntxiv kom nyab xeeb thiab zoo li qhov saum npoo.

Kev sib txuas rau hauv qhov chaw sib txuas muaj kev ntxiav ntxim tshaj plaws rau hauv qhov kev ua haujlwm EDM, uas muaj kev ntxiav ntxim rau qhov siab tshaj plaws uas siab tshaj plaws tuaj yeem tshav tawm nrog rau qhov chaw sib txuas. Yam ntaub ntawv uas muaj kev sib txuas siab tshaj plaws feem ntau yuav tshav tawm ntau dua rau qhov chaw sib txuas, uas txawj pab rau kev tshav tawm ntau dua. Tab sis, qhov tshav tawm no kuj tuaj yeem tshav tawm ntau dua yog tias tsis muaj kev lag luam zoo. Qhov siab tshaj plaws thiab qhov kev hloov chaw tshav tawm ntawm yam ntaub ntawv kuj muaj kev ntxiav ntxim rau qhov kev nyab xeeb thiab qhov saum npoo uas yuav tau los ntawm kev ua haujlwm EDM.

Zooj looj sib txig rau kev kho tshuab los ntawm kev siv hluav taws xob

Tus nplaum thiab lub caij uas nws muaj kev sib txig nrog EDM

Zooj looj kho tshuab yog qhov tseem ceeb tshaj plaws uas tau raug kho tshuab nyob rau hauv kev ua haujlwm cog kab zooj looj siv rau kev kho tshuab, suav nrog M2, M4, thiab T15, tau raug kho tshuab zoo tshaj rau kev siv hluav taws xob, ua rau tuaj yeem tsim cov chaw hauv nruab nrog cov duab ntau yam. Cov khoom no muaj kev nyab xeeb nyob rau hauv qhov kho tshuab thiab tsim cov ntim siab zoo thaum siv cov caij uas xwm txheej.

Lub ntsiab tseem ceeb ntawm stainless steel, tshaj tshwv yog cov duab austenitic xws li 316L thiab 304, muaj kev sib dhau zoo tshwj tsis tas cuam tshuam rau kev kho mob los ntawm kev sib tham meej meej. Tab sis, lawv qhov kev phom sij nyob hauv qhov chaw kho mob yuav tsum tau sau npe tshaj plaws txog kev sib tham hluav taws xob kom tswm txog kev tso tseg ntawm qhov kho mob. Cov stainless steel martensitic feem ntau muaj kev pab zoo dua vim lawv muaj carbon zog dua thiab qhov chaw nres tsim zoo dua, uas ua rau muaj kev tshem tshem khoom zoo dua thiab kev txhim kho lub hnub xoob zoo dua.

Cov lus siv ua ke zoo thiab cov lus siv ua ke zoo tshaj

Txheej txheem Titanium, suav nrog Ti-6Al-4V thiab cov txheej txheem titanium tshaib tshaj tseem ceeb, muab tseem cuab yooj yim rau kev siv kua tshuab ua haujlwm. Cov khoom no, thaum tias nyuaj rau kev kho kom raug rau kev siv tshuab ntau yam li qhov tsis zoo txaus ntawm kev siv kua hluav taws xob thiab qhov nyuj siab ntawm kev sib raug zoo kim hauv, tab sis ua tau zoo txaus siab hauv kev siv EDM. Qhov kev tsim kho tshuab siv kua hluav taws xob tau xaiv tawm ntau yam kev puas tsuaj uas feem ntau nyob rau hauv kev kho titanium, xws li kev siv tshuab ntxuav lossis kev sib raug zoo kim hauv nrog kua tshuab ntxuav.

Cov khoom siv sib txuas muaj niquel li Inconel 718, Hastelloy, thiab Waspaloy tau raug siv ntau hauv kev siv EDM, tshwj tsis yog hauv cheeb tsam nyob rau sab hauv tog thiab hauv kev lag luam tuag zog. Cov khoom no, uas paub tshaiv meej tias muaj zog siab hluv siab thiab tiv thaiv kev phom sij, tuaj yeem siv EDM los tsim cov rooj kawg zoo, cov raj qhov rooj pov, thiab lwm yam khoom tseem ceeb. Qhov tswj hwm los tsim cov khoom nyuj no tsis muaj kev ntxig siab ua rau EDM yog ib qhov kev pab tseem ceeb rau kev siv nyob rau qhov chaw tseem ceeb.

Cov khoom tsis yog hlau nyob hauv kev siv EDM

Aluminum thiab nws cov sib txuas

Aluminum muaj kev sib txuas zoo rau kev kho tshuab ntau yam, thiab cov ntawv sau los ntawm aluminum tsim nyog muaj kev sib hlo zoo tshaj plaws tab sis xav tau kev lag luam zoo. Qhov sib hlo tshaj caum ntawm aluminum tuaj yeem ua rau kub dhau, uas tuaj yeem cuam tshuam rau kev kho tshuab yog tias tsis muaj kev lag luam zoo. Tab sis, thaum kev lag luam raug kho kom zoo, cov ntawv sau los ntawm aluminum tuaj yeem muaj kev sib txuas zoo thiab kev nruj siab tshaj plaws los ntawm kev kho tshuab.

Cov ntawv sau los ntawm aluminum uas muaj silicon, xws li A390 thiab A413, muaj kev sib txuas zoo dua li aluminum tsim nyog los ntawm kev sib hlo zoo. Cov ntawv sau no muaj kev nruj siab tshaj plaws hauv kev kho tshuab thiab tsim tau qhov kho tshuab zoo tshaj plaws. Lub cheeb tsam aerospace thiab automotive feem ntau siv EDM rau kev kho tshuab cov khoom sib txuas zoo uas kev kho tshuab tsha yam tsis tuaj yeem.

Copper thiab Copper-Based Alloys

Copper yog ib qhov sib thaj sib ntxig zoo tshaj plaws uas feem ntau tau siv los ua kev kho kom muaj zog, thiab yuav tsum xaiv cov ntaub ntawv txaus siab los txhim kho cov phauj xob zoo. Qhov sib thaj sib ntxig zoo tshaj plaws no pab kom hloov kho vaj huam sib ntxwv sai, tab sis yog tias tsis sau ceeb nqum khib, nws tuaj yeem tshwm sim rau qhov chaw kho mob. Copper alloys, xws li brass thiab bronze, feem ntau muaj kev sib cuag zoo dua nrog kev txhim kho zoo dua thiab kev sau ceeb nqum khoom siv.

Beryllium copper alloys muaj qhov tshwj xeeb nyob rau hauv kev siv EDM, uas muaj kev sib thaj sib ntxig zoo thiab muaj zog meej dua. Cov khoom no muaj tseeb tshaj rau hauv kev siv electronics uas yuav tsum tau muaj kev sib thaj sib ntxig zoo thiab muaj zog meej. Qhov precipitation-hardened ntawm cov alloys no pab tau rau kev kho kom muaj zog tom qab EDM los txhim kho cov zog tseem ceeb tshaj plaws thaum twv kev txhim kho qhov chaw.

Cov khoom siv zoo thiab tshuaj ntau

Carbide Materials thiab Ceramics

Tungsten carbide thiab lwm yam cemented carbides muaj txoj hauv kev peculiar rau kev kho tshuab siv kub los ntawm kub, tshwj tsis yog rau kev tsim kho tshuab thiab ntu khoom nyiag. Cov khoom no, thaum tias lawv zoo tshaj plaws thiab nyiag, tuaj yeem kho tau nrog EDM kom tsim tau daim duab nyob rau hauv qhov uas tsis tuaj yeem ua los ntawm kev kho tshuab tshaib. Lub cobalt binder nyob rau hauv cov cemented carbides muab lub conductivity kub txaus rau qhov kev kho tshuab EDM, thaum li cas lub carbide particles muab rau hauv lub zog tshaj plaws thiab kev nyiag.

Ceramics siv tau, xyaos li silicon carbide thiab titanium carbide, tau tshwm sim los ua raw materials siv rau kev siv EDM nyiaj ncig. Qhov chaw tsim khoom no muaj kev sib tw ntawm ceramic properties zoo li kev nyob ntev hauv kub siab thiab kev tiv thaiv txaus txog kim tuam txhab, uas muaj feem ntau rau kev siv EDM. Cov uas xav tau cov khoom siv uas muaj kev nyob ntev thiab meej ntsuam, zoo li siv rau kev tsim kho semiconductor thiab aerospace advanced, feem ntau siv EDM rau kev tsim kho cov khoom no.

Chaw sib cuag thiab chaw siv khoom

Qhau tsev ntxoog siv khoom siv tshuab tso rwb thiab muaj kev pab cuam tias yuav tsum tau ua kom zoo. Cov khoom no muaj feem ntau ntawm lub tsev ntxoog thiab muaj kev pab los ntawm cov khoom ceramic lossis carbon fiber. Lub tswv yim rau kev ua haujlwm zoo nrog EDM ntawm cov khoom composite yog kom tso kom meej tias muaj kev sib txuas rwb zoo li ntawd hauv qhov chaw tsev ntxoog thiab saib xyuas qhov sib txawv ntawm kev rov qab los ntawm kev ntxuav hluv hluas.

Cov khoom siv tshuab thiab cov joints ntawm cov metal sib txawv tuaj yeem tau siv hauv kev ua haujlwm tshuab tso rwb thaum kev ua haujlwm tshuab tsis yog yuav tshwm sim kev nyuaj. Qhov kev tsis sib txuas ntawm EDM tsis muaj kev xav tau txog kev ruaj ntseg lossis kev puas tsuaj ntawm qhov interface uas yuav tshwm sim nrog kev sau tshuab. Qhov kev tshwm sim no ua rau EDM muaj zog rau kev ua haujlwm brazed assemblies, welded joints, thiab lwm yam khoom siv tshuab uas yuav tsum tau ruaj ntseg.

Lub Kev Xav Txog Lub Hom, Thiab Cov Txuj Ceev Tshaj Plaws

Txhawj Xeeb Ntawm Kev Siv Hluav taws xob

Kev Pab Lub Hom Siv Hluav Taws Xob Yooj Yim Nyob Zeem Feem Ntau ntawm Kev Muaj Hluav Taws Xob Txaus Hauv Lub Hom. Lub Hom Yuav Tsum Muaj Kev Ua Hluav Taws Xob Txaus Los Tso Kev Siv Hluav Taws Xob, Thaum Koj Sauv Kev Tshuab Tshuab Tshiab. Feem Ntau, Lub Hom Uas Muaj Kev Tsis Txaus Siab Saum 100 microhm-centimeters Yog Li Kev Siv Hluav Taws Xob Zoo, Tab sis Kev Txhim Kho Kev Txwv Txwm Tuaj Yeem Txhim Kho Qhov Chaw No Rau Kev Siv Txwv.

Kev sib piv ntawm kev siv hluav taws xob hauv khoom lag luam feem ntau txeej xyuas EDM nyob ib puag ncig thiab qhov chaw siv. Khoom siv uas muaj kev siv hluav taws xob zoo ib yam tuaj yeem tsim tau cov ntsiab lus tseem ceeb dua thiab cov chaw siv zoo dua li cov khoom siv uas muaj kev siv hluav taws xob txawv. Kev faib tso, kev ntxig, lossis kev txawv ntawm qhov chaw hauv khoom siv tuaj yeem ua rau kev sib tham tsis zoo thiab kev txawv ntawm qhov chaw, ua rau kev xaiv khoom siv thiab kev daws teeb meem zoo ib yam yog yam tseem ceeb rau kev pab thaum siv EDM.

Thermal Properties and Heat Management

Kev sib txuas thiab zoo tshaj plaws ntawm kev kho kom muaj zog tsis tu ncua cuab yuav tsum paub txog qhov chaw uas siv los kho vaj huam sib luag. Cov khoom siv uas muaj kev sib txuas siab npaum li cas feem ntau pab tau zoo tshaj plaws hauv kev kho vaj huam sib luag, vim lawv pab tso siab ntau rau kev tshav teeb zoo tshaj plaws thiab txuas ntxiv rau kev kho vaj huam sib luag, thaum kuj tseem tiv thaiv kev puav tseg tsis zoo rau qhov chaw nyob ze. Kev paub thiab kev daws teeb meem nyob hauv qhov chaw sib txuas yuav tsum paub txog qhov chaw uas siv los kho vaj huam sib luag lossis cov khoom uas tsim nyog rau kev kho kom muaj zog tsis tu ncua cuab.

Qhov muaj kev sib txuas hauv cheeb tsam muaj feem rau kev nceej npuab npe tshaj plaws hauv kev kho vaj huam sib luag, tshaj tawm rau cov khoom loj lossis tshaib. Cov khoom siv uas muaj qhov muaj kev sib txuas siab feem ntau pab tau zoo tshaj plaws hauv kev kho vaj huam sib luag. Qhov kev tiv thaiv kev puav tseg lossis kev kho hauv cheeb tsam yuav tsum tau sau ua ntu los tshuaj xyuas thaum pib siv khoom.

Kev Siv Hauv Ntiaj Teb thiab Kev Raug Zoo Los Txhua Hom

Kev Siv Hauv Daim Ntuj thiab Kev Tswj Xeeb

Hauv kev lag luam ntawm daim ntuj, feem ntau yuav tsum siv kev kho los taub hneb rau kev kho cov txheej txheem uas tsis tuaj yeem kho tau los ntawm kev kho theej thwj. Cov hom tuab ntawv titanium, cov tuab ntawv nickel, thiab cov tuab ntawv zoo siv hauv kev kho dej twj, cov cuab yeej khaiv qhov, thiab cov chaw tso dej nyob rau hauv qhov tseem coob. EDM muaj peev xwm kho cov rooj hlwb, cov pob me me, thiab cov ntsiab lus nyuaj rau tshwm sim tsis muaj kev phom sij lossis tsis muaj kev puas tsuaj rau tus kho.

Kev siv rau kev tswj hwm feem ntau xav tau cov khoom siv uas muaj kev nyiam zoo, kev tiv thaiv roj tsim mob, lossis cov ntawv tshwj xeeb tshwj xeeb. EDM pab tso cai rau kev kho tshuaj ntau yam rau cov khoom siv cuab yeej, cov ntaub ntawv kho tshuaj, thiab cov khoom siv rau kev tswj hwm tswj hwm los ntawm cov khoom siv uas yuav cuam tshwv ntau tshaj plaws rau cov chaw tshuaj tshwj tsam. Qhov tseem ceeb ntawm kev tswj xyuas kev tswj xyuas thiab qhov saum npoo zoo tshwj xeeb yog qhov tseem ceeb rau kev siv hluas tswj hwm tswj hwm, uas kev ua haujlwm thiab kev tshwm sim yog qhov tseem ceeb tshaj plaws.

Kev Tsim Khoom Siv Rau Kev Txhim Kho

Kev tsim kho tsev muaj kev pab cuam tshuam siv cov cuab yeej uas tshuam siab los ntawm kev siv cov ntaub ntawv uas tuaj yeem sib thauj tau xws li titanium alloys, stainless steel grades, thiab cov alloys txwv qhia. Kev ua lej uas EDM tuaj yeem pab tau yog tias pab tsim cov caij nyoog tseem ceeb rau cov cuab yeej ua haujlwm, cov khoom siv rau hniav, thiab cov khoom siv rau kev kuaj mob. Qhov chaw tsha yas tsha tshai ntawm kev ua EDM thiab nws tus cwj pwm tau ib txwm zoo ib txwm zoo txaus siab rau kev siv rau cov khoom uas xav tau kev sib thauj siab thiab kev tsha yas tsha tshai tsawg kawg.

Nitinol thiab lwm yam alloys uas muaj kev hloov form nyob rau hauv kev tsim kho tseem ceeb tab sis tsis muaj kev pab cuam tshuam nrog kev tsim kho tseem ceeb, tab sis nws tuaj yeem pab nrog kev siv EDM uas muaj kev coj kom zoo. Cov ntaub ntawv no, uas yog tseem ceeb rau stents, guidewires, thiab lwm yam cuab yeej uas tsis tas cuag, tuaj yeem raug tsim thiab finished nrog kev siv cov kev ua lej EDM thaum twg nws tseem nyob ib puag ncig nws lub metallurgical properties thiab kev ua haujlwm.

Cov Lus Nug Nrov

Puas yog yam ntxwv tsis sib cuag tuaj yeem sau ua los ntawm kev sau ua los ntawm kev sib cuag hluav taws xob?

Yam ntxwv tsis sib cuag tsis tuaj yeem sau ua ntau yam ntxwv los ntawm kev sau ua haujlwm hluav taws xob nyob rau hauv kev txhim kho, vim tias qhov kev txhim kho xav tau kev sib cuag hluav taws xob kom pom kev sib cuag. Tab sis, ib qho chaw ntxwv tsis sib cuag tuaj yeem tsim kev sib cuag nrog rau sab nraud lossis cov roj, uas pab suav nrog kev sau ua EDM me me. Cov kev txhim kho kev sau ua sib txawv zoo li kev sau ua laser lossis kev sau ua nrog dej muaj zog feem ntau yooj yim dua rau yam ntxwv tsis sib cuag.

Cov hluav taws xob tsis sib cuag tshaj tawg plua pluag cas yuav tsum muaj kom sau ua EDM zoo?

Zaj duab feem ntau xav tau kev sib txuas hluav taws xob uas tshwm sim los ntawm kev sib twg hluav taws xob nyer nplooj dua 100 microhm-centimeters kom ua rau kev kho tshuaj siv hluav taws xob zoo. Tab sis, qhov siab no tuaj yeem hlo li cas los ntawm kev siv khoom siv EDM, kev teeb tsa kev tsim kho, thiab cov yam ntxwv uas xav tau. Ib co chav kawm tshuaj advanced tuaj yeem sau zaj duab uas muaj kev sib twg hluav taws xob siab dua los ntawm kev lag luam kev tsim kho thiab siv cov cuab yeej txhuam sib txuas zoo tshaj, tab sis tus nqi tshuaj tshem tawm tuaj yeem meej pem dua.

Yog vim li cas qhov nyoog ntawm zaj duab muaj kev pab lub zog khiav rau kev kho tshuaj siv hluav taws xob?

Txawv sib txawv ntawm kev siv kho mob nyob rau hauv qab no, kev nyiam hnyav tsis muaj feem ntau rau kev siv kho mob los tshuam rau kev siv kho mob, vim tias EDM tshuam vaj huam sib luag los tshuam vaj tsort hmoob thiab tsis yog los tshuam mekhlwm. Tab sis, cov khoom nyiam dua yuav xav tau kev siv kho mob sib txawv los tshuam kom zoo tshaj plaws rau qhov chaw thiab qhov loj meej. Cov kev sib piv hluas thiab kev sib raug hluas ntawm cov khoom nyiam yog cov cuab yeej tseem ceeb dua rau kev txiav txim siab kev ua haujlwm ntawm EDM dhau li lawv qhov kev nyiam hnyav.

Puas muaj dab tsi yam khoom uas yuav tsum tso tseg nyob rau hauv kev siv kho mob?

Zaj duab muaj kev sib txuas rau khaub mov ntau heev, xws li copper lossis silver tas, tuaj yeem muaj kev pheej hmoub rau hauv kev siv EDM los ntawm kev tso siab tshav teeb uas cuam tshav tsawg qis. Tom qab ntawd, zaj duab muaj elements volatile lossis yam uas nyuaj raug rau taw rau sab hauv thaum muaj tshav kub feem ntau tsis yog yam uas tsim nyog rau kev siv EDM. Yuav tsum tseem tseg zaj duab uas muaj kev sib txuas rau khaub mov tsis zoo lossis muaj kev txwv tsis zoo vim lawv tuaj yeem tshwm sim rau kev tso siab tsis raug thiab muaj kev nyuaj siab.