Izitshintshi zobushushu zePlate zikhona kwizicelo ezininzi zemizi-mveliso kwaye ngokuyintloko zisebenzisa iipleyiti zentsimbi ukuhambisa ubushushu phakathi kolwelo ezimbini.
Ukusetyenziswa kwazo kukhula ngokukhawuleza ngenxa yokuba zigqithisa izinto zokushisa zendabuko (ngokuqhelekileyo ityhubhu edibeneyo equlethe ulwelo olunye oludlula kwigumbi elinolunye ulwelo) ngenxa yokuba ulwelo olupholiswayo luqhagamshelwano oluphezulu lwendawo, eyenza ukuhanjiswa kobushushu kwaye kwandisa kakhulu izinga lokutshintsha kobushushu.
Endaweni yeekhoyili ezidlula kumagumbi, kwi-plate exchanger heat exchanger, kukho amagumbi amabini atshintshanayo, ngokuqhelekileyo anobunzulu obuncinci, ahlulwe ngamacangci ensimbi enqabileyo kwiindawo zawo ezinkulu.
Iipleyiti zokutshintshiselana ngobushushu ngokwesiqhelo zenziwe kusetyenziswa isitampu okanye umatshini oqhelekileyo onjengomzobo onzulu, kodwa kutsha nje ukuchongwa kwefotochemical (PCE) kungqineke yeyona ndlela isebenzayo nengabizi kakhulu yokwenza imveliso ekhoyo kwesi sicelo sinzima.Electrochemical Machining (ECM) bobunye ubuchwephesha obunokuvelisa iinxalenye ezichanekileyo kakhulu kwiibhetshi, kodwa le nkqubo ifuna utyalo-mali oluphezulu kakhulu, lusebenzisa izixhobo zoyilo oluphezulu kakhulu, lusebenzisa izixhobo zoyilo lwamandla aphezulu. kunzima, kunye ne-workpiece I-corrosion yezixhobo zoomatshini kunye nezixhobo zihlala zibuhlungu.
Ngokuqhelekileyo, macala omabini e-plate heat exchanger aqukethe izinto eziyinkimbinkimbi kakhulu ngamanye amaxesha ngaphaya kwamandla okunyathela kunye nomatshini, kodwa zifikeleleka ngokulula ngokusebenzisa i-PCE.Ukongezelela, i-PCE inokuvelisa iimpawu kumacala omabini epleyiti ngaxeshanye, ukugcina ixesha elibalulekileyo, kwaye inkqubo ingasetyenziswa kuluhlu lweetsimbi ezahlukeneyo, kubandakanywa insimbi engenasici, i-Inconel 617, kunye ne-titanium.
Ngenxa yeempawu ezithile zendalo zenkqubo, i-PCE inikezela ngenye indlela ekhangayo yokunyathela kunye nomatshini kwizicelo zesinyithi. Ukusebenzisa i-photoresist kunye ne-etchant ukusetyenzwa ngokuchanekileyo kweekhemikhali iindawo ezikhethiweyo, inkqubo ibonakalisa iipropati eziphathekayo ezigciniweyo, iinxalenye ze-burr- kunye ne-stress-free kunye ne-contours ecocekileyo kwaye akukho mimandla echaphazelekayo yokushisa. s isesichengeni somhlwa.
Idityaniswe nenyaniso yokuba i-PCE isebenzisa izixhobo eziphindaphindwayo kunye nexabiso eliphantsi ledijithali okanye izixhobo zeglasi, ibonelela ngexabiso elisebenzayo, ukuchaneka okuphezulu kunye nokukhawuleza ukuvelisa enye indlela yokwenziwa kweendlela zemveli kunye ne-stamping.Oku kuthetha ukongiwa kweendleko ezibalulekileyo xa kuveliswa izixhobo zeprototype, kwaye ngokungafaniyo nezixhobo ze-stamping kunye ne-machining, akukho zixhobo zokugqoka kunye neendleko ezinxulumene nentsimbi yokusika kwakhona.
Ukutshiza kunye nesitampu kunokuvelisa iziphumo ezingaphantsi kunezo-ezigqibeleleyo kwintsimbi kumgca wokusikwa, ngokufuthi ukuguqula izinto eziphathekayo kunye nokushiya i-burrs, imimandla echaphazelekayo kubushushu, kunye neengqimba eziphindwe kabini.
Enye into ekufuneka iqwalaselwe ekukhetheni inkqubo bubunzima bezinto eziza kwenziwa ngomatshini.Iinkqubo zemveli zihlala zihlangabezana nobunzima xa zisetyenziselwa ukucutshungulwa kwesinyithi esicekethekileyo, ukunyathela kunye nokunyathela kwiimeko ezininzi azifanelekanga, ngelixa ukusika kwe-laser kunye namanzi kukhokelela kumanqanaba angafaniyo kwaye angamkelekanga okutshintsha kwe-thermal kunye nokuqhekeka kwezinto, ngokulandelanayo.Ngelixa i-PCE ingasetyenziswa kuluhlu olunjalo lwentsimbi, olunokuthi lusetyenziswe kuluhlu olunjalo lwentsimbi, olunokuthi lusetyenziswe kuluhlu olunjalo lwentsimbi. i-plate heat exchangers, ngaphandle kokunciphisa i-flatness, ebaluleke kakhulu kwingqibelelo yendibano.kubalulekile.
Indawo ephambili apho iipleyiti zisetyenziselwa ukusetyenziswa kweeseli ze-fuel ezenziwe ngensimbi engenasici, i-aluminium, i-nickel, i-titanium, ithusi kunye noluhlu lwe-alloys ekhethekileyo.
Iipleyiti zesinyithi kwiiseli zamafutha zifunyenwe zineenzuzo ezininzi ngaphezu kwezinye izinto.Ngexesha elifanayo, zinamandla kakhulu, zinika umbane obalaseleyo wokupholisa ngcono, zingenziwa zenziwe zincinci ngokugqithisileyo usebenzisa i-etching, ibangele i-stacks emfutshane, kwaye ayinayo isiphelo somphezulu we-directional ngaphakathi kwe-channel.Plates inokuqulunqwa kunye nemijelo eyenziwe ngaxeshanye, kwaye njengoko kukhankanyiwe ngasentla, akukho xinzelelo lwe-thermal ensuringen ludalwe kwi-thermal, i-flat ensuring ye-thermal.
Inkqubo yePCE iqinisekisa ukunyamezelana okuphinda-phindayo kuyo yonke imilinganiselo yebhodi engundoqo, kuquka ubunzulu bomoya kunye nejiyometri eninzi, kwaye inokuvelisa iinxalenye kuxinzelelo oluqinileyo lokulahla iinkcukacha.
Amanye amashishini asebenzisa amaphepha afakwe kwiikhemikhali afaka iimoto ezinqamlekileyo, i-aerospace, i-petrochemical kunye ne-chemical industries.Emva kokwenziwa, iiplate zixutywe kwaye zixutywe ziboshwe okanye ziboshwe ndawonye ukuze zenze i-core of the heat exchanger.Ukugqiba ukutshintshiselana kobushushu kunokufikelela kumaxesha amathandathu amancinci kuneendlela zendabuko "igobolondo kunye ne-tube" izibonelelo zobunzima bokushisa, ukubonelela ngeendawo ezintle kakhulu.
Abatshintshi bokushisa abaveliswa ngokusebenzisa i-PCE nabo banamandla kakhulu kwaye basebenza kakuhle, bayakwazi ukumelana noxinzelelo lwe-bar ye-600 ngelixa belungelelanisa kuluhlu lobushushu ukusuka kwi-cryogenics ukuya kwi-900 degrees Celsius.Kunokwenzeka ukudibanisa imisinga yenkqubo engaphezu kwembini ibe yiyunithi enye kwaye ihlangabezane neemfuno kwimibhobho kunye neevalvu ziyancitshiswa kakhulu.
Iimfuno zanamhlanje zokutshatyalaliswa kobushushu ngokufanelekileyo kunye nendawo zinika imingeni enkulu kwiinjineli ezininzi zophuhliso.I-miniaturization yamacandelo amaninzi kubuchwepheshe bombane kunye ne-microsystem idala iindawo ezibizwa ngokuba yi-thermal hot spots, ezifuna ukuchithwa kobushushu obufanelekileyo ukuqinisekisa ubomi obude benkonzo.
Ukusebenzisa i-2D kunye ne-3D PCE, i-microchannels enobubanzi obuchaziweyo kunye nobunzulu bunokuthi yenziwe kwi-heat exchangers ekukhethweni kweendaba zokutshatyalaliswa kobushushu kwindawo encinci.Kukho phantse akukho mda kwiindlela ezinokwenzeka zokuyila.
Ngaphezu koko, ekubeni inkqubo etching ikhuthaza ukuyila ngokutsha kunye nenkululeko yejometri, ukuhamba kwesiphithiphithi ngokuchasene nokuhamba kwe-laminar kunokukhuthazwa ngokusebenzisa i-wavy channel edges kunye ne-deeps.I-Turbulent flow kwi-cool medium ithetha ukuba i-coolant idibene nomthombo wobushushu ihlala iguquka, eyenza utshintshiselwano lobushushu lusebenze ngakumbi.Ii-corrugations ezinjalo kunye ne-PC ye-irregular enokwenzeka lula, i-corrugations ye-PC okanye i-irregulari enokwenzeka lula, i-PC i-irregula ukuvelisa kusetyenziswa ezinye iinkqubo zokuvelisa.
Ingcali ye-PCE i-micrometal GmbH isebenzisa izixhobo ze-optoelectronic ezinexabiso elikhuphisanayo ukuvelisa izixhobo zokusebenza ezikumgangatho ophezulu ezinenqanaba eliphezulu lokuchaneka okuphindaphindwayo.
Iipleyiti ze-microchannel ezizimeleyo zinokudityaniswa (umzekelo, ngokudibanisa i-welding) kwiijometri ezahlukeneyo ze-3D.micrometal isebenzisa inethiwekhi yeqabane elinamava elinika abathengi ithuba lokuthenga iipleyiti ze-microchannel okanye iibhloko zokutshintshiselana kobushushu.
Into eneempawu zetsimbi kwaye iqulathe iikhemikhali ezimbini okanye ngaphezulu, enye yazo ibe yintsimbi.
Nciphisa ukunyuka kwamaqondo obushushu obumanzi kwisixhobo/i-workpiece interface ngexesha le-machining. Ngokwesiqhelo kwimo yolwelo, efana ne-soluble okanye imixube yeekhemikhali (semi-synthetic, synthetic), kodwa inokuba noxinzelelo lomoya okanye ezinye iigesi.i-semi-synthetic cutting fluid;ulwelo lokusika ioyile enyibilikayo;i-synthetic cutting fluid.
1. Ukwabiwa kwelungu kwigesi, ulwelo, okanye okuqinileyo okukholisa ukwenza ukwakheka kufane kuzo zonke iindawo.2.I-athomu okanye iathomu isuka ihambe isiya kwindawo entsha ngaphakathi kwezinto.
Umsebenzi apho umbane ohamba khona phakathi kwendawo yokusebenza kunye nesixhobo sokuqhuba nge-electrolyte.Iqala ukuphendulwa kweekhemikhali ezinyibilikisa isinyithi kwi-workpiece kwizinga elilawulwayo.Ngokungafaniyo neendlela eziqhelekileyo zokusika, ukuqina kwe-workpiece ayisiyonto, okwenza i-ECM ilungele izinto ezinzima-kumatshini.Ngendlela yokugaya i-electrochemical, i-electrochemical honing kunye ne-electrochemical turning.
Ukusebenza ngokufana ne-motor rotary kwisixhobo somatshini, i-motor ye-linear inokucingwa njenge-motor ye-magnetic esisigxina ejikelezayo, inqunyulwe i-axially embindini, emva koko ihlulwe kwaye ibekwe flat.Inzuzo ephambili yokusebenzisa ii-motor ze-linear ukuqhuba i-axis motion kukuba iphelisa ukungasebenzi kakuhle kunye nokwahlukana komatshini okubangelwa yinkqubo yokuhlanganisa ibhola ye-screw esetyenziswa kwiindawo ezininzi ze-CNC.
Amalungu anezithuba eziphangaleleyo kubume bomphezulu. Bandakanya zonke izitenxo ezibekwe banzi kunolungiselelo lokusikwa kwesixhobo.Jonga ukuhamba;Ubuxoki;Uburhabaxa.
UGqr. Michael J. Hicks nguMlawuli weZiko lezoShishino kunye noPhando lwezoQoqosho kunye noGeorge noFrancis Ball oNjingalwazi oBekekileyo wezoQoqosho kwiYunivesithi yaseBall State iMiller School of Business.Hicks ufumene iPh.D.kunye ne-MA kwi-Economics evela kwiYunivesithi yaseTennessee kunye ne-BA kwi-Economics evela kwi-Virginia Military Institute.Ubhale iincwadi ezimbini kunye neempapasho ezingaphezu kwe-60 ze-scholarly ezigxininise kumgaqo-nkqubo woluntu kunye noluntu, kubandakanywa umgaqo-nkqubo werhafu kunye nenkcitho kunye nefuthe le-Walmart kuqoqosho lwendawo.