Phantse yonke inkqubo yendibano inokuqhutywa ngeendlela ezininzi.Ukhetho olukhethwa ngumenzi okanye umdibanisi ngezona ziphumo zilungileyo zidla ngokuhambelana neteknoloji evunyiweyo kwisicelo esithile.
I-Brazing enye yenkqubo enjalo.I-Brazing yinkqubo yokudibanisa isinyithi apho iinxalenye ezimbini okanye ngaphezulu zetsimbi zidityaniswa ngokunyibilikisa isinyithi esinyibilikayo kunye nokuhamba kwayo kwi-joint.I-metal filler inendawo ephantsi yokuncibilika kuneendawo zetsimbi ezikufutshane.
Ukushisa okutshisayo kunokubonelelwa ngeetotshi, ii-furnaces okanye ii-coil induction.Ngexesha lokubethelwa kwe-induction, i-coil induction idala i-magnetic field etshisa i-substrate ukuze inyibilikise i-metal filler.I-brazing ye-induction ibonakalisa ukuba iyona nto ikhethekileyo kwinani elikhulayo lezicelo zendibano.
"Ukunyanzeliswa kwe-induction kukhuseleke kakhulu kunokukhanyisa itotshi, ngokukhawuleza kunokushisa kwesithando somlilo, kwaye kuphindaphindwa ngakumbi kunazo zombini," utshilo uSteve Anderson, umphathi wecandelo kunye novavanyo lwesayensi eFusion Inc., umdibanisi oneminyaka engama-88 ubudala eWilloughby, eOhio Said, ugxile kwiindlela ezahlukeneyo zokuhlanganisa, kubandakanya ukuqhafaza.Xa kuthelekiswa nezinye iindlela ezimbini, eyona nto uyidingayo ngumbane oqhelekileyo.”
Kwiminyaka embalwa edlulileyo, i-Fusion yavelisa umatshini we-stix-station ozenzekelayo ozenzekelayo wokudibanisa ii-carbide burrs ze-10 zentsimbi kunye nokwenza izixhobo.
UAnderson uthi: “Irobhothi ye-SCRA ene-axis ezine ithatha isiphatho kwitreyi, isise kwi-solder paste dispenser, ize iyilayishe kwindlwane yokubamba,” ucacisa uAnderson.I-induction brazing yenziwa kusetyenziswa ikhoyili yombane esonga ngokuthe nkqo kumacala omabini kwaye izise isinyithi sokuzalisa isilivere kwiqondo lobushushu le-liquidius ye-1,305 F. Emva kokuba icandelo le-burr lilungelelaniswe kwaye lipholile, liyakhutshwa nge-chute yokukhupha kwaye iqokelelwe ukuze iqhubeke nomsebenzi.
Ukusetyenziswa kwe-induction brazing kwi-asembly kuyanda, ngokukodwa kuba kudala uxhulumaniso oluqinileyo phakathi kweengxenye ezimbini zetsimbi kwaye ngenxa yokuba lusebenza kakhulu ekudibaniseni izinto ezingafaniyo.Iinkxalabo zendalo, iteknoloji ephuculweyo, kunye nezicelo ezingezizo zendabuko nazo zinyanzelisa iinjineli zokuvelisa ukuba zijonge ngakumbi kwi-induction brazing.
I-induction brazing iye yajikeleza ukususela kwiminyaka ye-1950, nangona ingcamango yokufudumeza kwe-induction (ukusebenzisa i-electromagnetism) yafunyanwa ngaphezu kwekhulu leminyaka ngaphambili ngusosayensi waseBritani uMichael Faraday.Izibane zezandla zazingumthombo wokuqala wokushisa wokushisa, olandelwa yiziko kwi-1920s. Ngexesha leMfazwe Yehlabathi II, iindlela ezisekelwe kwiziko zazihlala zisetyenziselwa ukuvelisa iinxalenye ezinkulu zentsimbi kunye neendleko ezincinci.
Imfuno yabathengi ye-air conditioning kwiminyaka ye-1960 kunye ne-1970 yenza izicelo ezitsha ze-induction brazing.Enyanisweni, i-mass brazing ye-aluminiyam ekupheleni kwe-1970 ibangele amaninzi amacandelo afunyenwe kwiinkqubo zomoya zomoya zanamhlanje.
“Ngokungafaniyo nokukhanyisa itotshi, i-induction brazing ayidibanisi kwaye inciphisa umngcipheko wokutshisa kakhulu,” utshilo uRick Bausch, umphathi wentengiso we-Ambrell Corp., kwiTEST.temperature.
Ngokutsho kukaGreg Holland, umphathi wezokuthengisa kunye nokusebenza kwi-eldec LLC, i-standard induction brazing system iqukethe amacandelo amathathu.La mandla ombane, intloko esebenzayo kunye ne-coil induction kunye nenkqubo epholileyo okanye yokupholisa.
Unikezelo lwamandla ludibaniswe nentloko yomsebenzi kwaye iikhoyili zenzelwe ukuba zilungele ukudibanisa.Iinductors zingenziwa kwiintonga eziqinileyo, iintambo eziguquguqukayo, iibhilidi ezixutywe ngomatshini, okanye i-3D eprintiweyo kwi-alloys yobhedu epholileyo. Ngokuqhelekileyo, nangona kunjalo, yenziwe nge-tubing yobhedu engenanto, apho amanzi ahamba khona ngenxa yezizathu ezininzi.Enye kukugcina i-countering ye-coil ebonisa ukushisa kwe-coil. ukwakheka kwiikhoyili ngenxa yobukho rhoqo bokutshintshana kwangoku kunye nesiphumo sokuhanjiswa kobushushu obungasebenziyo.
"Ngamanye amaxesha i-concentrator ye-flux ibekwe kwikhoyili ukuqinisa i-magnetic field kwindawo enye okanye ngaphezulu kwi-junction," kuchaza u-Holland.Sebenzisa nokuba yiyiphi Inzuzo ye-concentrator kukuba inciphisa ixesha lomjikelo ngokuzisa amandla amaninzi kwiindawo ezithile zokudibanisa ngokukhawuleza, ngelixa ugcina ezinye iindawo zipholile. "
Ngaphambi kokubeka iinxalenye zetsimbi ze-induction brazing, umqhubi kufuneka abeke ngokufanelekileyo i-frequency kunye namanqanaba amandla enkqubo.
Amandla ombane ahlala ekwazi ukuvelisa amakhulu eekilowatts zombane.Nangona kunjalo, ukubhobhoza inxalenye yesundu kwimizuzwana eyi-10 ukuya kwe-15 kufuna kuphela i-kilowatts eyi-1 ukuya kwe-5. Ngokuthelekisa, iinxalenye ezinkulu zinokufuna i-50 ukuya kwi-100 kilowatts zamandla kwaye zithathe ukuya kwimizuzu emi-5 ukubraze.
"Njengomthetho jikelele, izinto ezincinci zisebenzisa amandla amancinci, kodwa zifuna amaza aphezulu, anje nge-100 ukuya kwi-300 kilohertz," utshilo u-Bausch.
Kungakhathaliseki ukuba ubukhulu bawo, iinxalenye zetsimbi kufuneka zibekwe ngokuchanekileyo ngaphambi kokuba zifakwe.Ukunyamekela kufuneka kuthathwe ukugcina i-gap eqinile phakathi kwesiseko sesinyithi ukuze kuvumeleke isenzo esifanelekileyo se-capillary nge-filler metal.
Ukulungiswa kwesiqhelo okanye ukuzilungisa kwamkelekile.Izilungiso eziqhelekileyo kufuneka zenziwe ngezinto ezingaphantsi kwe-conductive njengentsimbi engatyiwa okanye i-ceramic, kwaye uchukumise amacandelo kancinane kangangoko.
Ngokuyila iinxalenye ezine-seams ezidibeneyo, i-swaging, i-depressions okanye i-knurls, ukuzilungisa kunokufezekiswa ngaphandle kwesidingo sokuxhaswa komatshini.
Amalungu ahlanjululwa nge-emery pad okanye i-solvent ukuze asuse izinto ezingcolileyo ezifana neoli, igrisi, i-rust, i-scale kunye ne-grime.Eli nyathelo liphucula ngakumbi isenzo se-capillary yentsimbi etyhidiweyo yokuzalisa izitsala ngokwawo kwiindawo ezikufutshane zokudibanisa.
Emva kokuba iindawo zihlaliswe ngokufanelekileyo kwaye zihlanjululwe, umqhubi usebenzisa i-compound edibeneyo (ngokuqhelekileyo i-paste) kwi-joint.I-compound ngumxube we-filler metal, i-flux (ukuthintela i-oxidation) kunye ne-binder ebamba isinyithi kunye ne-flux kunye ngaphambi kokunyibilika.
Iintsimbi zokuzalisa kunye nee-fluxes ezisetyenziselwa ukugcoba zenziwe ukuba zimelane nokushisa okuphezulu kunezo zisetyenziselwa i-soldering.Iintsimbi zokuzalisa ezisetyenziselwa i-brazing zinyibilika kwiqondo lokushisa okungenani le-842 F kwaye zinamandla xa zipholile.Zibandakanya i-aluminium-silicon, ubhedu, ubhedu-isilivere, ubhedu, ubhedu, igolide-isilivere, isilivere, kunye ne-nickel alloys.
Umsebenzisi ke ubeka i-coil induction, efika kwiindidi ezahlukeneyo ze-designs.Iikhoyili ze-Helical ziyisetyhula okanye i-oval kwimilo kwaye ijikeleze ngokupheleleyo inxalenye, ngelixa i-coil yefolokhwe (okanye i-pincer) ibekwe kwicala ngalinye le-joint kunye ne-channel coils hook kwi-part.Ezinye iikhoyili ziquka i-Inner Diameter (ID), i-ID / i-Outer Diameter (OD), i-Outer Diameter, i-Outer, i-Pancake, i-Pancake, i-Outer Diameter
Ubushushu obufanayo buyimfuneko ekudibaneni komgangatho ophezulu webrazed.Ukwenza oku, umqhubi kufuneka aqinisekise ukuba umgama othe nkqo phakathi kwe-coil loop induction induction encinci kwaye umgama wokudibanisa (ububanzi be-gap ukusuka kwi-coil OD ukuya kwi-ID) uhlala ufana.
Emva koko, umqhubi uvula amandla ukuqalisa inkqubo yokufudumeza i-joint.Oku kubandakanya ukudlulisa ngokukhawuleza okuphakathi okanye okuphakamileyo okujikelezayo kwangoku ukusuka kumthombo wamandla ukuya kwi-inductor ukudala indawo yamagnetic ejikelezayo.
Intsimi yamagnetic ibangela i-current on the surface of the joint, eyenza ubushushu bunyibilike isinyithi sokuzalisa, sivumele ukuba sihambe kwaye simanzise indawo yentsimbi, ukudala i-bond eqinile.Ukusebenzisa iikhoyili zeendawo ezininzi, le nkqubo inokwenziwa kwiindawo ezininzi ngaxeshanye.
Ukucocwa kokugqibela kunye nokuhlolwa kwecandelo ngalinye le-brazed kunconywa.Iindawo zokuhlamba ngamanzi ashushu ubuncinane kwi-120 F ziya kususa i-residues ye-flux kunye naluphi na umlinganiselo owenziwe ngexesha lokuqhaqha.Inxalenye kufuneka ifakwe emanzini emva kokuba i-filler metal iqiniswe kodwa indibano isatshisa.
Ngokuxhomekeke kwinxalenye, ukuhlolwa okuncinci kunokulandelwa ngovavanyo olungonakalisi kunye nokonakalisa.Iindlela ze-NDT zibandakanya ukuhlolwa okubonakalayo kunye ne-radiographic, kunye nokuvuza kunye novavanyo lobungqina.Iindlela eziqhelekileyo zokuvavanya okutshabalalisayo ziyi-metallographic, i-peel, i-tensile, i-shear, i-shear, i-fatigue, ukudluliselwa, kunye novavanyo lwe-torsion.
"Ukunyanzeliswa kwebrashi kufuna utyalo-mali olukhulu lwangaphambili kunendlela yetotshi, kodwa kufanelekile kuba ufumana ukusebenza kakuhle kunye nolawulo," utshilo uHolland.Xa ungacofanga.”
I-Eldec yenza uluhlu olubanzi lwemithombo yamandla yokufakelwa kwe-induction, njenge-ECO LINE MF intermediate line frequency, ekhoyo kwiimpawu ezahlukeneyo ukuze ihambelane nesicelo ngasinye. Ezi zibonelelo zamandla zifumaneka kumlinganiselo wamandla ukusuka kwi-5 ukuya kwi-150 kW kunye ne-frequencies ukusuka kwi-8 ukuya kwi-40 Hz. I-50% ngaphakathi kwemizuzu ye-3. Ezinye izinto eziphambili zibandakanya ukulawulwa kweqondo lokushisa kwe-pyrometer, irekhodi lokushisa kunye ne-insulated gate bipolar transistor power switch.Ezi zixhobo zidinga ukugcinwa okuncinci, zisebenze ngokuthula, zinendawo encinci, kwaye zidibaniswe ngokulula nabalawuli beeseli zokusebenza.
Abavelisi kumashishini amaninzi bayanda ukusebenzisa i-induction brazing ukuze bahlanganise iindawo.I-Bausch ikhomba kwi-automotive, i-aerospace, izixhobo zonyango kunye nabavelisi bezixhobo zemigodi njengabasebenzisi abakhulu be-Ambrell induction brazing equipment.
"Inani le-aluminium induction brazed components kwi-automotive industry iyaqhubeka nokunyuka ngenxa yamanyathelo okunciphisa ubunzima," u-Bausch ubonisa. "Kwicandelo le-aerospace, i-nickel kunye nezinye iintlobo zeepads zokugqoka zihlala zigxininiswe kwii-jet blades.Omabini amashishini aphinda afake ibhobho eyohlukeneyo yentsimbi.
Zonke iinkqubo ezintandathu ze-Ambrell ze-EasyHeat zine-frequency range ye-150 ukuya kwi-400 kHz kwaye zilungele ukunyanzeliswa kwe-brazing yeendawo ezincinci zejometries ezahlukeneyo.iimodeli kuthotho LI (3542, 5060, 7590, 8310) zinika ulawulo ngaphakathi 50 watts isisombululo.
Zomibini zichungechunge zinentloko yomsebenzi okhutshwayo ukuya kwiinyawo ezili-10 ukusuka kumthombo wamandla.Inkqubo yolawulo lwepaneli yangaphambili yenkqubo icwangciswe, ivumela umsebenzisi wokugqibela ukuba achaze ukuya kwiiprofayili ezine ezahlukeneyo zokufudumeza, nganye kunye namanyathelo amahlanu kunye namandla.
URich Cukelj, uMphathi woPhuhliso lweShishini leFusion uyachaza: “Abona bathengi bethu baphambili bokwenza imipu, iindibano zezixhobo zokusika, iimpompo zemibhobho yamanzi kunye nedreyini, okanye iibhloko zokusasaza umbane kunye ne-fuses.
I-Fusion ithengisa iisistim ezijikelezayo eziqhelekileyo ezinokuthi zifake i-braze ye-100 ukuya kwi-1,000 iinxalenye ngeyure.Ngokutsho kweCukelj, isivuno esiphezulu sinokwenzeka kuhlobo olulodwa lwenxalenye okanye uchungechunge oluthile lwecandelo.
"Inkqubo nganye iqulethe i-indexer evela kwi-Stelron Components Inc. ene-8, 10 okanye i-12 workstations," kuchaza uCukelj. "Ezinye iindawo zokusebenzela zisetyenziselwa ukudibanisa, ngelixa ezinye zisetyenziselwa ukuhlolwa, ukusebenzisa iikhamera zombono okanye izixhobo zokulinganisa i-laser, okanye ukwenza iimvavanyo zokutsala ukuqinisekisa ukuba amalunga adityanisiweyo aphezulu."
Abavelisi basebenzisa umbane oqhelekileyo we-ECO LINE we-eldec kwiintlobo ezahlukeneyo zezicelo ze-brazing induction, ezifana ne-rotors-fitting fitting rotors kunye ne-shafts, okanye ukujoyina i-motor housings, u-Holland uthe.Kutshanje, imodeli ye-100 kW yale generator isetyenziswe kwisicelo esikhulu esibandakanya ukubethelwa kwamakhonkco esekethe yobhedu kwi-copper hydroelectric generator connections.
I-Eldec iphinda ivelise umbane ophathwayo weMiniMICO onokushukunyiswa lula kumzi-mveliso kunye noluhlu lwamaza kwi-10 ukuya kwi-25 kHz. Kwiminyaka emibini edlulileyo, umenzi we-automotive exchanger exchanger iityhubhu wasebenzisa i-MiniMICO ukubuyisela i-elbows ye-braze kwi-tube nganye.Umntu omnye wenza yonke into yokuqhaqha, kwaye yathatha imizuzwana engaphantsi kwe-30 ukudibanisa ityhubhu nganye.
UJim ngumhleli ophezulu kwi-ASSEMBLY engaphezulu kweminyaka engama-30 yamava omhleli.Ngaphambi kokujoyina i-ASSEMBLY, uCamillo wayeyiNjineli ye-PM, umhleli we-Association for Equipment Engineering Journal kunye ne-Milling Journal.UJim unedigri yesiNgesi kwiYunivesithi yaseDePaul.
Ngenisa isicelo seSindululo (RFP) kumthengisi ozikhethelayo kwaye ucofe iqhosha elichaza iimfuno zakho
Khangela isikhokelo somthengi wethu ukufumana ababoneleli bazo zonke iintlobo zeteknoloji yokuhlanganisa, oomatshini kunye neenkqubo, ababoneleli ngeenkonzo kunye nemibutho yorhwebo.
I-Lean Six Sigma iye yaqhuba imizamo yokuphucula eqhubekayo kwiminyaka emininzi, kodwa iintsilelo zayo ziye zabonakala.Ukuqokelelwa kwedatha kugxininisekile emsebenzini kwaye kungathatha iisampuli ezincinci.Idatha ngoku inokubanjwa ixesha elide kunye neendawo ezininzi ngeqhezu leendleko zeendlela zakudala zezandla.
Iirobhothi zixabiso eliphantsi kwaye kulula ukuzisebenzisa kunanini na ngaphambili.Obu bugcisa bufumaneka lula nakubavelisi abancinci nabaphakathi.Mamela le ngxoxo ikhethekileyo yephaneli enabaphathi abaphuma kubaxhasi abane abaphezulu berobhothi baseMelika: ATI Industrial Automation, Epson Robots, FANUC America, kunye ne Universal Robots.