Ubuninzi be-slurry ye-ceramic busebenza njengesango eliphambili lomgangatho wokubumba; bulawula inkqubo yokugquma kunye nokuqina kwesakhiwo seqokobhe. Njengomlinganiselo wokumelana nokuhamba kwamanzi, ubuninzi bumisela intsebenziswano eguquguqukayo phakathi kwe-slurry kunye nephethini ye-wax, ngokusisiseko ilawula isiphumo sokubeka umaleko.
I. Imfuneko Yokuchaneka Kwimisebenzi Yokubumba
Ukuphosa utyalo-mali: Intshayelelo yengcamango kunye nobudlelwane neLost Wax Casting
Indlela yokuvelisa eyaziwayo kwihlabathi liphela njengotyalo-mali yintsika yemveliso yanamhlanje yezixhobo eziphezulu, inika iindawo ezinobunono obugqwesileyo boomatshini kunye nobunzima bejometri. Le ndlela yezemveliso ilandelela imvelaphi yayo kwisenzo sakudala sokulahla i-wax, indlela ethatha amawaka eminyaka. Umgaqo osisiseko uhlala kukudala ipateni ye-wax yomnikelo enyibilikiswayo ukuze idale umngxuma wesinyithi esinyibilikisiweyo. Ngokwembali, indlela yokuqala,i-wax casting elahlekileyo, yayidla ngokubandakanya izinto ezisisiseko ezenziwe nge-beeswax nodongwe, eziqhele ukusetyenziswa kwizinto zokuhombisa okanye ubugcisa bokuhombisa.
Ukuphosa utyalo-mali
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Nangona kunjalo, indlela yanamhlanje imele indlela elawulwa kakhulu nesebenzisa oomatshini. Isigama sibonisa olu tshintsho:yintoni ukuphosa utyalo-maliyahlula ngokugxila kwinyathelo elibalulekileyo "lokutyala imali" kwipateni yewax kwindawo ekhethekileyoi-ceramic casting slurry, nto leyo ekugqibeleni eyenza iqokobhe leseramikhi elomeleleyo nelishushu kakhulu. Iinkampani zanamhlanje zenza umatshini wokusungula izinto ezintsha zisebenzisainkqubo yotyalo-maliukuvelisa iiyunithi ezinobukhulu obuphezulu, iindonga ezincinci, kunye nokunyamezelana okuqinileyo kuneendlela zakudala, oku kudla ngokuphelisa isidingo somatshini omkhulu wokwenza i-post-casting.
Ukuchonga Imingeni Yoshishino Olupheleleyo Apho Ulawulo Oluchanekileyo Lubaluleke Kakhulu
Nangona le nkqubo ichanekile, ukugcina ukuhambelana kwimveliso ephezulu, enexabiso eliphezulu kuzisa imingeni eqhubekayo. Kumacandelo afuna imigangatho eqinileyo, naluphi na utshintsho kwinqanaba lokwakha iqokobhe luguqulela ngqo ekusileleni kwenxalenye okanye amazinga okulahla atshabalalisayo ngokwezoqoqosho.
Omnye umceli mngeni ophambili kukuqinisekisa ukuthembeka kwezinto. Xa kusenziwa ii-superalloys eziphambili, umgangatho weqokobhe le-ceramic kufuneka uthintele ukusabela kwe-interfacial kwaye unciphise ukubola, okuchaphazela ngokuthe ngqo amandla okuxinana kwenxalenye yokugqibela kunye neempawu zoomatshini. Umceli mngeni wesibini obalulekileyo kukulawula iindleko zobunzima. Ixabiso lezixhobo zeendawo ezintsonkothileyo ekuqaleni liphezulu, kwaye izixhobo ngokwazo zibiza kakhulu. Ngenxa yoko, iziphene zokuphosa ezivela kwiigobolondo ezineziphene zikhokelela ekulahlekelweni okukhulu kwemali kunye nokuncipha kwemveliso iyonke. Imfuneko yokufaka inkqubo ejolise ngqo, eqhutywa yidatha, endaweni yokujonga ngesandla, iqhuba umngeni omkhulu kushishino wokufezekisa ukuphindaphinda rhoqo kunye nomgangatho, ngakumbi xa kujongwa amaxesha amade okukhokela anxulunyaniswa neendawo ezintsonkothileyo kunye nokuqhuba kwemveliso enkulu. Umyalelo wokusebenza kweendawo zanamhlanje zokusekwa kukufezekisa iziphene, kwaye ukuthembeka kweqokobhe le-ceramic yindlela eyodwa yokufikelela kuloo njongo.
Uphuhliso lwendlela yanamhlanje yokwenziwa kwezixhobo zobugcisa—ukuphatha iindawo ezinkulu kunye nee-alloys ezixineneyo—luye lwaqinisa ukugxila kwinkqubo yokwambathisa iqokobhe. Ekubeni isiphene senxalenye kwi-medical implant okanye i-blade yenjini yenqwelo-moya singanyamezeleki, ukuzinza kweqokobhe le-ceramic kufuneka kube ngokugqibeleleyo. Umbala wokuqala we-i-ceramic slurry yokuphosa i-wax elahlekileyoNgoko ke, isebenza njengeyona nto iphambili ebangela umgangatho wenxalenye elandelayo, nto leyo eyenza ulawulo lwayo lube lolona tshintsho lubalulekileyo kuyo yonke ikhonkco lemveliso.
II. Isayensi yeCeramic Casting Slurry
I-Ceramic Casting Slurry: Ukwakhiwa kunye ne-Rheological Foundation
Iudaka lodongwe lokuphosa utyalo-maliyi-colloidal suspension eyenziwe ngobuchule obuphezulu eyenzelwe ukudlulisela iinkcukacha ezintsonkothileyo zephethini yewax kwi-ceramic mold eqinileyo. Yinkqubo entsonkothileyo, enamanqanaba amaninzi eneempawu zokusebenza—ezaziwa ngokuba yi-rheology—ezichazwa yibhalansi ecokisekileyo yezinto zayo ezingamanzi neziqinileyo.
Izinto eziphambili kunyeImpi-ortanceof Cei-ramic I-Slurry
Ubudlelwane obusebenzayo phakathi kwezinto eziludaka kunye ne-viscosity buthe ngqo kwaye buyaqhubeka. Utshintsho kuxinzelelo, ulwakhiwo, okanye ukusebenzisana phakathi kwazo naziphi na izinto luya kutshintsha ngoko nangoko indlela esebenza ngayo i-slurry.
Izinto ezivuselelayo (Umxholo wezinto eziqinileyo):Ezi zakha i-matrix yesakhiwo seqokobhe. Izinto eziqhelekileyo, ezikhethwe ngenxa yozinzo lwazo lobushushu, ziquka iZircon, iFused Silica, iAlumina, kunye neAluminosilicates ezifana ne-mullite okanye i-calcinated kyanite. Uxinzelelo lwezi zinto ziqinileyo lunefuthe elikhulu kwindlela esebenza ngayo inkqubo. Kwiingubo zobuso ezineenkcukacha eziphezulu, ubungakanani be-particle ye-izinto zeseramikhi ezinganyangekiyoicocekile kakhulu, idla ngokuba yi-600 mesh (27 μm) okanye ngaphantsi. I-geometry yomphezulu wezi nxalenye, ezifana nomgubo we-corundum omile okwe-lash, yenzelwe ukuphucula ukuthamba komphezulu we-face-coat kunye nokuphucula ukungamanzi kwi-superalloys, nto leyo enceda ekuthinteleni ukusabela phakathi kwegobolondo kunye nesinyithi esinyibilikisiweyo. Ukuqina komsebenzi ngqo wokulayisha okuqinileyo okuncinci.
Izibopheleli (Ulwelo Oluphakathi):Izihlanganisi, ezidla ngokuba zizisombululo ze-colloidal silica okanye i-ethyl silicate, zisebenza njengesixhobo solwelo kunye ne-cementing agent. Zenza kube lula "ukuphuma okumanzi" kwephethini ye-wax kwaye zivale amasuntswana angenakuchasana endaweni yawo emva kokuba omile. Uzinzo lwe-binder lujongwa ngumxholo wayo wezinto eziqinileyo kunye ne-pH. Ukuqina kwe-slurry yokugqibela kuxhomekeke kakhulu kuzinzo kunye neempawu ze-colloidal suspension.
Izongezo:Iipakethe ezahlukeneyo zeekhemikhali ziyabandakanywa ukuphucula ukusebenza. Izinto ezisasaza izinto, ezifana ne-HPMC (Hydroxypropyl Methylcellulose), zisetyenziselwa ukukhuthaza ukusasazwa okufanayo kweefayibha okanye amasuntswana kunye nokwandisa uzinzo kunye nokuxinana kokumiswa. Ii-gelling agents kunye nemixube ekhethekileyo yezinto ezirhabaxa—njengokusebenzisa izinto ezirhabaxa nezincinci kunye nezikhaphukhaphu—zisetyenziswa ukuqinisekisa ukuba amasuntswana axineneyo ahamba ezantsi ukuze enze umphezulu wesikhunta ogudileyo nochanekileyo. Olu yilo lwenkqubo oluntsonkothileyo lugxininisa ubunzima bolawulo lwe-rheological, apho nokuguquguquka okuncinci kwimilinganiselo yecandelo kunokuphazamisa indlela eyilwe ngayo yokuzinza okanye yokumiswa.
Ukuqonda indlela yokuziphatha kwe-Slurries engeyiyo i-Newtonian
Ii-slurry ze-Foundry ziyinkimbinkimbi, azingolwe-Newtonian fluids, oko kuthetha ukuba i-viscosity yazo iyatshintsha ngokuxhomekeke kwisantya sokucheba (umz., isantya sokuxukuxa) esisetyenzisiweyo. Zihlala zibonisa iimpawu zokucheba. I-viscosity ngokwayo yindlela yokulinganisa ubungakanani bokumelana okuqhelekileyo kolwelo ekuhambeni nasekuguqukeni.
Ingxaki ebalulekileyo ekuqhubekeni kokucubungula kukuba izinto ezingamanzi (amanzi okanye izinyibilikisi) ziyaguquguquka kakhulu. Ukunciphisa ukuguquguquka, ezinye iifektri kufuneka zigcine amaqondo obushushu obuguquguqukayo kumanqanaba aphantsi kakhulu okanye aphantse abe phantsi kakhulu, afana ne--93 ℃. Nangona kunjalo, kuninzi lwezicelo, ukufuma yinto eqhubekayo egxininisa rhoqo izinto eziqinileyo ezinganyangekiyo kunye nesibopheleli, nto leyo ekhokelela ekunyukeni okungapheliyo kwi-viscosity. Olu tshintsho luqhubekayo, kunye nendalo yokurhawuzelela yamasuntswana e-ceramic amancinci, lwenza itanki ye-slurry ibe yindawo engaguqukiyo, enokugcinwa okuphezulu apho iindlela zokulawula ngesandla, ezihlala zingasebenzi ukugcina umgangatho ofunekayo. I-continuous process monitor yeyona ndlela ithembekileyo yokuthintela oku kuguquguquka okungenakuphepheka kwindalo.
III. Ukubaluleka kobungqingqwa be-ceramic slurry obuhambelanayo
I-Nexus ye-Viscosity-Thickness-Wet-Out
Ukuqina komzimba kulawula ngokuthe ngqo izinto ezimbini ezibonakalayo ezibalulekileyo ekuthinteleni iziphene:
Ukukhupha amanzi kunye nokugubungela:Ukuqina kunye nomxholo wezinto eziqinileyo zichaphazela "ukumanzi" kwe-slurry kwipateni. Ukuba i-viscosity iphantsi kakhulu, ulwelo lubaleka ngokukhawuleza kakhulu, lusenokungakwazi ukungena kwiikhonkrithi ezintsonkothileyo okanye kwiikona, nto leyo ebangela ukuba i-pinhole okanye i-pinhole zingaphelelanga. I-pinhole efanayo ibalulekile ukuze kuthintelwe ukuqhekeka kwendawo.
Ubukhulu beLeya:Kukho ukulingana ngokuthe ngqo phakathi kobungqindilili kunye nobukhulu bomaleko obekwe apho. Ubungqindilili obukhulu (ubungqindilili obuphezulu) buhamba kancinci, bushiya ngasemva ungqindilili obukhulu. Ekubeni iqokobhe lenziwe ngokuntywila okuninzi—ngokuqhelekileyo kusetyenziswa ubungqindilili obuninzi bobungqindilili obandayo ukwakha amandla aneleyo—ukuphambuka kubungqindilili bayo nayiphi na i-slurry coat enye kusasazeka kulo lonke ulwakhiwo lweqokobhe.
Impembelelo ekugqityweni komphezulu kunye nokuchaneka kobukhulu
Ukuguquguquka okungaphandle kokunyamezelana kwe-viscosity okufunekayo kubangela ngokuthe ngqo ukusilela komgangatho:
Ukugqitywa komphezulu (Ra):Ukulawulwa kakubi kwe-rheology kunokukhokelela kwiziphene zomphezulu. Umzekelo, ukuba i-viscosity iphantsi kakhulu, ukumanzika okwaneleyo kunokuvumela imingxuma ye-pinhole, okwandisa uburhabaxa bomphezulu kwaye kukhokelele ekungeneni kwesinyithi ngexesha lokugalela. Ngokwahlukileyo koko, ukungazinzi kodaka, okufana nokugqwala kakhulu okanye ukwakheka kwe-microgel, kunokubangela ukungafezeki komphezulu kunye neziphene.
Ukuchaneka koBume (Ukunyamezelana):Amandla okuhlangabezana nokunyamezelana okuqinileyo, okufana ne-0.1 mm kwi-25 mm yokuqala yecandelo, ayachaphazeleka xa i-viscosity itshintsha. Ubukhulu obungalinganiyo kuyo yonke i-casting, obubangelwa kukulunywa okuhamba ngokukhawuleza kakhulu (i-viscosity ephantsi) okanye kancinci kakhulu (i-viscosity ephezulu), buzisa ukuguquguquka kwimilinganiselo yokugqibela yeqokobhe. Oku kuchaphazela ngokuthe ngqo inxalenye egqityiweyo.ukuchaneka kobukhulu, okwandisa umngcipheko weendawo ezingahambelaniyo.
Ukuqina kunye noBuchule beShell (Amandla aluhlaza, ukuGcina)
Ulawulo lwe-viscosity lukwalawula isakhiwo sangaphakathi seqokobhe. Xa i-viscosity iphezulu kakhulu, inokukhokelela ekwakhiweni kwenethiwekhi ye-gel eqinileyo phakathi kwamasuntswana angenakuphikiswa. Esi sakhiwo sincinci sinokuba negalelo ekudalweni kwee-microcracks eziqhubekayo, ezithi kamva zinciphise amandla aluhlaza eqokobhe kwaye zonyuse ukungena kwalo. Iziphene ezinje ngokuqhekeka ngexesha lesigaba sokuqhekeka okanye ukuqhekeka ngaphakathi kwe-primary coat ziyimiphumo yobuthathaka besakhiwo. Ukungakwazi ukugcina umgangatho we-coating kuchaphazela kakubi ukuhanjiswa kobushushu beqokobhe, ukusabela kweekhemikhali, kunye nokuqina kwesakhiwo.
Ukubonisa isizathu esibalulekileyo phakathi kokusilela kolawulo lwenkqubo kunye neziphene zokwenza izinto, iindlela eziphambili zokungaphumeleli ezinxulumene nokuphambuka kwe-viscosity zishwankathelwe apha ngezantsi.
Imodeli yoQoqosho lweTyeya le-Viscosity-Defect
| Ukuphambuka kokuqaqamba | Isiphumo seRheological | Isiphumo sokuSebenza | Iziphene zokuphosa eziphambili | Impembelelo yeNqanaba eliKhulu |
| Ubunzulu obuphantsi kakhulu (Ulusu oluncinci) | Ukuqengqeleka kwamanzi ngokukhawuleza; Umxholo wezinto eziqinileyo ophantsi; Ukunamathelana kakubi; Ukufutha/Ukuvaleka komoya. | Iingqimba zeqokobhe ezibhityileyo; Ukungagqunywa ngokwaneleyo; Ukukhutshelwa kwamanzi ngaphambi kwexesha ngaphambi kokuba kufakwe i-stucco. | Iimingxuma zePini; Ukungena kwesinyithi; Uburhabaxa bendawo; Amandla eqokobhe anciphileyo; Ukutshawuza. | Amanani aphezulu enkunkuma; Iziphene eziyingozi kwisakhiwo. |
| Ubunzulu Obuphezulu Kakhulu (Uludaka Olukhulu) | Ukukhupha amanzi kancinci; Uxinzelelo olukhulu; Ukukhupha umoya nzima; Ukuzinza kwamasuntswana ngokukhawuleza. | Ukuvala imingxunya/izithuba eziqinileyo; Ayifani, inobukhulu obugqithisileyo; Ukomisa kade. | Ukudibanisa/Ukungena kwentsimbi kwiimpawu; Iziphene zokubandakanywa (ukwahlulwahlulwa); Ukuphazamiseka kobukhulu; Iinyembezi ezishushu/Ukuncipha. | Ukusilela kobukhulu; Iindleko eziphezulu zokulungisa/ukulungisa. |
Ukuthembeka komphezulu kumiselwa yi-slurry yokuqala ye-primary coat, edla ngokusebenza phantsi kolawulo oluqinileyo. Ngenxa yokuba olu slurry luhlala luvezwa kwaye lunokufuma ngexesha lokuveliswa, ukushukuma kwe-viscosity akubi sisigxina. Ukuba umaleko wesiseko uchaphazeleka kulawulo olubi lwe-rheological, zonke iileya zokuqinisa ezilandelayo zakhiwe kwisiseko esingazinzanga, okuqinisekisa ukungangqinelani komgangatho kulo lonke iqela lemveliso. Oku kwenza i-slurry yokuqala ibe yeyona ndawo iphezulu yokungenelela komgangatho.
IV. Imingeni ekulinganisweni kobumdaka obuqhubekayo
Imfuneko yokulinganisa i-viscosity rhoqo nangokuchanekileyo ibangelwa yimida enzima yeendlela zokulawula i-slurry zendabuko, ezizisa ukungazinzi kwenkqubo kwinkqubo yotyalo-mali.
NgokubaIinjineli zeNkqubo kunye neeNgcali zeQC, indlela yesiqhelo yokulinganisa—indebe yokuhamba—izisa imiqobo ebalulekileyo kwezobuchwepheshe. Le ndlela ayingqalanga, ilinganisa ixesha lokuphuma kwamanzi endaweni yokuba yi-viscosity yokwenyani, kwaye inovelwano kakhulu kwiinguqu zangaphandle ezifana nobushushu, ubuchule bomqhubi, kunye nomxhuzulane othile. Oku kungabikho kokuchaneka nokuphindaphindeka akuhambelani nokunyamezelana okuqinileyo okufunwa zizicelo zanamhlanje zokuphosa. Ngaphezu koko, ukujonga i-flow cup kwenzeka ngamaxesha athile, kwenziwa ngamaxesha ahlukeneyo. Ngexesha leeyure phakathi kwezi vavanyo ezenziwe ngesandla, ukufuma kubangela ukushukuma okuqhubekayo kwe-viscosity, oko kuthetha ukuba inani elikhulu lezinto ligqunywe phantsi kweemeko ezingahambelaniyo ngaphambi kokuba kwenziwe uhlengahlengiso lokulungisa ngesandla. Olu tshintsho lwexesha oluvela ngaphakathi lwenza ulawulo lujonge emva kunokuba luqikelele, luthintele ukungenelela kwenkqubo ngexesha langempela.
Okwenza kube nzima ngakumbi yile meko yendalo yetanki yodaka. Ubukho bento encinci, eqinileyo, nerhabaxaizinto zeseramikhi ezinganyangekiyoibangela ukuba ii-sensors kunye nee-probes eziqhelekileyo ziguge ngokukhawuleza okanye zingcoliswe ngokukhawuleza yi-deposits. Oku kufuna ukucoca nokulinganisa ngesandla rhoqo, okuphazamisayo, okunyusa iindleko zokulungisa kunye nexesha lokungasebenzi.
NgokubaUlawulo (iMisebenzi kunye nezeMali), la manqaku obuchwephesha abangela ukungazinzi kwezemali. Ukungabikho kolawulo lwexesha langempela kubangela amazinga aphezulu okulahlwa okungaqikelelweyo. Xa kusetyenziswa ii-alloys ezinexabiso eliphezulu, iziphene ezingalawulekiyo ezifana nokuqhekeka, ukufakwa, ukusebenza kakubi, okanye ukushwabana okubangelwa ziigobolondo ezingahambelaniyo kukhokelela kwilahleko ezinkulu nezihlala zingenazinzo zemali. Ukongeza, ukulungiswa kwe-viscosity ngesandla kudla ngokubandakanya ukungasebenzi kakuhle, ukulinganisa okugqithisileyo kwezihlanganisi kunye nezinyibilikisi ezibizayo, okwandisa inkunkuma yezinto eziphathekayo. Isiphumo esiqokelelweyo sokuhlolwa ngesandla, ukuphinda kusetyenzwe, kunye namazinga okusilela angaqikelelweyo ekugqibeleni kuyayichaphazela imveliso kwaye kwandise ixesha lenkqubo iyonke, kunciphisa amandla okukhulisa imveliso ngokufanelekileyo.
Imida yeMilinganiselo yokuQonda (umz., Ubunzima/Uxinano oluthile)
Kubalulekile ukuqonda umahluko wesayensi phakathi kokulinganiswa koxinano kunye nokulinganiswa kwe-viscosity, njengoko enye ingenako ukuyitshintsha ngokuthembekileyo enye kulawulo lwe-rheological.
A imitha yoxinano lwe-slurryilinganisa ubunzima ngeyunithi nganye yomthamo, edla ngokusetyenziswa ukumisela uxinzelelo lwezinto eziqinileyo ngaphakathi kwe-suspension. Nangona umlinganiselo woxinano (odla ngokuhlolwa ngokusebenzisa ubunzima obuthile, ukulandelela izinto eziqinileyo ze-binder) yinxalenye enye yenkqubo epheleleyo yokulawula ukutyibilika, inika umbono oqikelelweyo wokusebenza. Izixhobo zoxinano, kwaneenkqubo eziphambili ezifana ne-imitha yoxinano lwe-slurry engeyonyukliyaezisetyenziswa kumashishini afana nokwemba okanye ukugrumba, azibambi iimpawu zokuhamba kolwelo.
Ukuqina, ngokuchaseneyo, kulinganisa ukungqubana kwangaphakathi, okanye ukumelana nokuhamba kunye nokuguquka. Nangona ukufuma kwandisa uxinano kunye nokuqina, utshintsho oluntsonkothileyo kwi-slurry—njengokwakheka kwe-microgel, ukuhlala kwee-particle, ukuqunjelwa, okanye nokutshintsha kobushushu—kunokutshintsha kakhulu ukusebenza kokuhamba kolwelo (i-viscosity) ngaphandle kotshintsho oluhambelanayo, olunokulinganiswa ngokulula kuxinano ngokubanzi. Ukulawula iinguqu zenkqubo eguqukayo zobukhulu be-coating, ukusebenza kakuhle kwe-wet-out, kunye ne-drainage rate—imisebenzi ephambili ye-slurry—ukuqina yeyona parameter ibalulekileyo, ethe ngqo. Ukuthembela kuphela kwi-density proxy kushiya i-foundry ivezwe kukungazinzi kwe-rheological kunye neziphumo ze-coating ezingalindelekanga.
Oku kungazinzi okukhoyo kwisigaba sokwakha iqokobhe kubonisa umqobo obalulekileyo ekusetyenzisweni ngokupheleleyo kwe-industrial automation Ukuba igalelo elisisiseko (isakhiwo seqokobhe) alithembekanga ngenxa ye-viscosity engalawulekiyo, ukuzama ukuphucula iinkqubo ezisezantsi kuya kuvelisa iziphumo ezingathembekanga nezingalindelekanga.
Funda Ngakumbi ngeeMetha zoBuxinano
Iimitha zeNkqubo ezingakumbi kwi-Intanethi
V. Isisombululo seViscometer esisetyenziswa ngaphakathi kwiLonnmeter
I-Viscometer ekwiNkqubo yeLonnmeter: Ubuchwepheshe kunye nokusebenza
Itekhnoloji yeLonnmeter yenzelwe ukusasazwa ngokungqongqo ngaphakathi kwemizi-mveliso, inika iziphumo ezichanekileyo nezithembekileyo ngqo ngaphakathi komgca wokuvelisa, ngaloo ndlela isusa iimpazamo zomsebenzi ophindaphindwayo kunye nezandla.
Imigaqo yoBugcisa obuPhambili:Ezi zixhobo zihlala zisebenzisa iteknoloji yokungcangcazela okanye yokuxokozela echanekileyo kakhulu. Into yokuva, edla ngokuba yi-resonant rod, ifakwa kulwelo kwaye ijikeleziswe. Ukuxinana kwamandla okanye utshintsho lwemvamisa olufunekayo ukugcina ukuxokozela kuyalinganiswa, nto leyo ebonelela ngokubala ngokuthe ngqo, ngendlela echanekileyo kwe-viscosity yolwelo. Le ndlela ingcono kuneendlela ezisekelwe ekujikelezeni kuba ilinganisa ipropathi ye-rheological yangaphakathi nokuba ziziphi iimpawu zokuhamba ngaphakathi kwitanki.
Ukujongana nokurhawuzelelwa kunye nokungcola:Into ebalulekileyo yokwahlulahlula kukuqina koyilo lwesensor. Ii-viscometer zeLonnmeter zenzelwe ukuqina, zinezakhiwo ezizodwa zoomatshini ezimelana neemeko ezinzima zokusebenza kwentsimi, kubandakanya ukuvezwa kulwelo olunencasa kunye ne-slurry erhabaxa. Ngokufaka iimpawu ezithintela ukuvaleka kunye nokukhula—ezifana neetekhnoloji ezisebenzisa ukungcangcazela okudibeneyo ukuthintela iidiphozithi—izisensor zisebenza ixesha elide, zinciphisa iimfuno zokugcinwa kunye nokuqinisekisa ucoceko oluqhubekayo ukuze kulinganiswe ngokuthembekileyo. Olu buchule lubalulekile ekulawuleni iipowder ezixineneyo nezicolekileyo ezirhabaxa.
Ukulinganisa Ubuchule kunye nesantya sokuphendula:Le nkqubo inika ukufundwa kwe-viscosity okuchanekileyo kakhulu okunikezelwa ngexesha langempela, okwenza kube nokwenzeka ukubona ngoko nangoko utshintsho lolwakhiwo olubangelwa kukufuma, ukuguquguquka kobushushu, okanye ukongezwa kwezithako. Esi santya sokusabela ngokukhawuleza sivumela iinjineli zenkqubo ukuba zitshintshe ukusuka kulawulo olusebenzayo (ukulungisa iziphene emva kokuba zenzeke) ukuya kulawulo olusebenzayo, apho amanyathelo okulungisa asebenzayo asekelwe kwidatha yesayensi nechanekileyo.
Uzinzo kunye nokuthembeka:Ngokudibanisa umlinganiselo ngqo kumgca wenkqubo, inkqubo yeLonnmeter ibonelela ngozinzo oluqhubekayo, inciphisa ukuguquguquka phakathi kwe-inter-shift kunye neempazamo zengqondo ezikhoyo kuvavanyo lwezandla. Oku kuthembeka okuzinzileyo sisiseko sokuphumeza iinkqubo zolawulo oluvaliweyo olufunekayo kwiindawo zokuvelisa eziphambili. Ezi sensors zenzelwe ngokukodwa ukusebenza iminyaka emininzi ngokugcinwa okuncinci, ukwandisa ixesha lokusebenza kunye nokunciphisa umngcipheko wokusebenza.
VI. Iingenelo zokubeka iliso rhoqo kwi-viscosity
Ukwamkelwa kwenkqubo yeLonnmeter kuguqula ukulungiswa kwe-ceramic slurry ukusuka kwi-bottleneck engacingelekiyo ukuya kwinqanaba elizinzileyo nelilawulwayo lenkqubo yokuvelisa. Ukubeka iliso rhoqo nangokuchanekileyo linyathelo elifunekayo lokuphucula umgangatho, ukuhambelana, kunye nokuzisebenzela ngokwakho ekwakheni igobolondo.
Uzinzo lweNkqubo oluphuculweyo:Ukuqokelelwa kwedatha ngexesha langempela kwenza kube lula ukujonga nokugcina uludaka ngokuchanekileyo kubushushu obufunekayo kunye ne-viscosity, oku kulwa ngokuthe ngqo nemiphumo ekhawulezileyo neqhubekayo yokuphuma komphunga we-solvent kunye notshintsho lobushushu bendalo. Olu qina oluhambelanayo lwei-ceramic slurry yokuphosa i-wax elahlekileyoibaluleke kakhulu kumacandelo okuvelisa anokuthembeka okuphezulu, inika ubungqina obuqinileyo obufunekayo ukuze kuthotyelwe umgangatho kunye namaxwebhu avela kwizinto ezibonakalayo.
Isenzo Sokulungisa Esizenzekelayo, Esikhawulezileyo:Ukubeka iliso rhoqo kuvumela ukuba imveliso yesensor idityaniswe kwi-automatic feedback loop. Idatha ye-viscometer ivuselela ngokuzenzekelayo iinkqubo zokulinganisa imitha ukuba zifake ubungakanani obuchanekileyo besinyibilikisi okanye izongezo ukugcina indawo ebekiweyo. Olu buchule bezenzo zokulungisa ngokuzenzekelayo bususa iimpazamo zomntu, bususe ixesha elibi lokujonga ngesandla, kwaye buqinisekise ukuhambelana kwemveliso kuyo yonke imijikelo yemveliso ende.
Ukuphuculwa kokuHlangana kweShell:I-rheology yoludaka oluhlala luhleli iguqulela ngokuthe ngqo kwindlela yokugquma eqikelelweyo. Oku kuqinisekisa ubukhulu obufanayo bokubekwa komaleko kunye neempawu eziphuculweyo zokumanzi kuzo zonke iidiphu, nokuba zine, zintandathu, okanye ngaphezulu. Ukufezekisa olu lungelelwaniso kunciphisa ngokusisiseko ukwenzeka kweziphene zegobolondo ezinxulumene ne-viscosity, kubandakanya ukuvaleka, ukufakwa kwe-ceramic, ukungasebenzi kakuhle, kunye nokuqhekeka, eziyimiba eqhelekileyo echaphazela umgangatho weemveliso zokugqibela ezisetyenzisiweyo. Ngokuzinzisa umgangatho wokugquma, i-foundry iphucula amandla egobolondo, ukuvuleka, kunye nokuqina kwesakhiwo, okukhokelela ekugqumeni okuphezulu kunye nokunciphisa ixesha kunye neendleko zemveliso.
VII. Iingenelo zokusebenza kunye nezoQoqosho kwiNqanaba eliPhakathi
Ukuphunyezwa kolawulo oluqhubekayo lwe-viscosity kusetyenziswa izixhobo eziphambili kubonelela ngeenzuzo ezibalulekileyo zenqanaba elikhulu ezidlula ngaphaya kokuqinisekiswa komgangatho olula, ukuqhuba ukusebenza kakuhle kunye nenzuzo ngokuzinzisa oko bekuyiparameter yenkqubo eguquguqukayo ngaphambili.
Ukunciphisa iiScrap kunye noHlaziyo (Ukunciphisa iiSiphene):Eyona nzuzo ithe ngqo kwezoqoqosho kukunciphisa amazinga eziphene. Ngokuqinisekisa ukuthembeka kweqokobhe ngononophelo kunye nokuthintela iziphene ezibangelwa kukungahambelani kodaka (njengokubopha, ukumanzi okungekuhle, okanye ukugqwetheka kobukhulu), ii-foundries zinciphisa kakhulu inani leenkunkuma kunye nesidingo sokuphinda zisetyenziswe ngendlela ebiza kakhulu. Le mpembelelo iphindaphindwa xa kusetyenzwa ngezinto ezibizayo nezisebenza kakuhle ezifana nee-superalloys ezisekelwe kwi-nickel okanye ii-alloys ezisekelwe kwi-cobalt. Ukunciphisa ukuphindaphindeka kweziphene ezifana nokuvalwa okubandayo kunye nokuncitshiswa kuphucula ukuqikelelwa kokusebenza.
Ukuphucula Ukusetyenziswa Kwezinto Ezisetyenzisiweyo:Ukwenziwa kwezinto ngokuzenzekelayo kuqinisekisa ukuba amanyathelo okulungisa asekelwe kwimfuneko yesayensi. Iinkqubo zokulinganisa ezizenzekelayo zizisa ubungakanani obuchanekileyo bee-binders ezibizayo kunye nezongezo ezisekelwe kufundo lweLonnmeter lwexesha langempela, zisusa ukulungiswa okugqithisileyo kunye nenkunkuma yezinto ezidla ngokunxulunyaniswa nolawulo olungachanekanga lwesandla.
Ukwanda koMphumo kunye nokuQikelela kwangaphambili:Ngokuzinzisa inkqubo yokwakha iqokobhe, iLonnmeterI-Viscometer ekwiNkquboisusa ukuphazamiseka kwenkqubo okungacwangciswanga, ixesha lokujonga ngesandla, kunye nokulibaziseka okubangelwa kukulahla okanye ukulungisa amaqokobhe aneziphene. Oku kuphucula ukusebenza kakuhle kwemveliso, kuqinisekisa ixesha eliqikelelweyo nelihlala lifutshane lokukhokela imveliso yamaqokobhe e-ceramic asemgangathweni ophezulu. Ubuchule obuvelayo ekujongeni iintlobo ezahlukeneyo zemveliso yinzuzo ephambili yokukhuphisana.
Ukufezekisa iiMetriki zoMgangatho eziBalaseleyo neziNgaguquguqukiyo:Ngokusisiseko, ulawulo oluqhubekayo lwe-viscosity luvumela ii-founders ukuba zivelise amaqokobhe rhoqo avelisa izinto ezihlangabezana okanye ezigqitha ezona mfuno zinzima zeukuchaneka kobukhulu, ukuthembeka komphezulu, kunye nokusebenza koomatshini. Olu buchule bokuvelisa rhoqo ii-castings ezinokuthenjwa, eziphindaphindwayo, nezineenkcukacha eziphezulu bunika amandla abathengi kumacandelo abalulekileyo ukuba bavelise izinto ezintsha, beqinisekile ukuba inkqubo yokwenziwa kwezinto ikhuselwe kukuqinisekiswa komgangatho oqhutywa yidatha.
ILonnmeterI-Viscometer ekwiNkquboibonelela ngetekhnoloji efunekayo yokuvala esi sikhewu, ibonelela ngobuchule obuqinileyo, obungadingi kulungiswa kakhulu,isisombululo sexesha langempelayenzelwe imeko-bume enzima nerhabaxa yetanki yodaka.
Ukuze sihlalutye umahluko wenkqubo yakho ekhoyo, sivavanye amathuba akhawulezileyo okunciphisa iziphene, kwaye sidwelise ukuhlanganiswa kokujonga i-viscosity okuqhubekayo kwimisebenzi yegumbi lakho legobolondo, simema amaqela akho obuchwephesha kunye nabaphathi ukubaCela iNgcebiso yoBugcisa yasimahlaOlu thethwano lukhethekileyo luza kubonelela ngesicwangciso esineenkcukacha, esiqhutywa yidatha esenzelwe ukusebenzisa inkqubo yeLonnmeter ukuze kubekho umgangatho ozinzileyo kunye nokuphumelela okusebenzayo.
