Anenge maitiro ese egungano anogona kuitwa nenzira dzakati wandei.Sarudzo iyo mugadziri kana musanganisi anosarudza kune zvakanakisa mhedzisiro inowanzoenderana nehunyanzvi hwekuita kune imwe application.
Brazing ndiyo imwe nzira yakadaro.Brazing isimbi yekubatanidza simbi umo zvikamu zviviri kana kupfuura zvesimbi zvinosanganiswa nekunyunguduka kwesimbi yekuzadza uye ichiyerera ichipinda mujoini.Simbi yekuzadza ine nzvimbo yakaderera yekunyunguduka kupfuura zvikamu zvesimbi zviri pedyo.
Kupisa kwekuputira kunogona kupiwa nematochi, furnaces kana induction coils.Panguva yekugadzira induction brazing, induction coil inogadzira magnetic field inopisa substrate yekunyungudutsa metal filler.Induction brazing iri kuratidza kuva sarudzo yakanakisisa yenhamba inokura yemapurogiramu egungano.
"Induction brazing yakachengeteka kudarika mwenje wetochi, inokurumidza kupfuura kupisa kwechoto, uye inodzokororwa kupfuura zvese zviri zviviri," akadaro Steve Anderson, maneja wemunda uye bvunzo sainzi paFusion Inc., ane makore makumi masere nemasere ekubatanidza muWilloughby, Ohio Said, anoshanda nenzira dzakasiyana dzemagungano, kusanganisira brazing.Zvichienzaniswa nedzimwe nzira mbiri, chaunonyanyoda magetsi akajairwa. "
Makore mashoma apfuura, Fusion yakagadzira muchina wezviteshi nhanhatu otomatiki wekubatanidza 10 carbide burrs yekugadzira simbi nekugadzira maturusi. Mabhura anogadzirwa nekubatanidza cylindrical uye conical tungsten carbide blanks kune shank yesimbi. Muyero wekugadzira zvikamu mazana maviri nemakumi mashanu paawa, uye zvikamu zvakaparadzana zvetireyi zvinogona kubata 144 zvigaro.
“Robhoti ine-axis four-axis SCRA inotora mubato kubva mutireyi, yoipa kune solder paste dispenser, yobva yaiisa mudendere rekubata,” anotsanangura kudaro Anderson.Induction brazing inoitwa pachishandiswa coil yemagetsi inomonerera yakatwasuka pamativi maviri uye inounza silver filler simbi ku liquidus tembiricha ye 1,305 F. Mushure mechikamu cheburr chagadziriswa uye chatonhodzwa, chinoburitswa kuburikidza nechute yekuburitsa uye inounganidzwa kuti ienderere mberi kugadzirisa.
Kushandiswa kwekugadzira induction brazing yegungano iri kuwedzera, kunyanya nokuti inogadzira hukama hwakasimba pakati pezvikamu zviviri zvesimbi uye nokuti inoshanda zvikuru mukubatanidza zvinhu zvakasiyana-siyana.Kunetseka kwezvakatipoteredza, teknolojia yakagadziridzwa, uye kushandiswa kwemaitiro asiri echinyakare zvakare kumanikidzira mainjiniya ekugadzira kuti atarise zvakanyanya induction brazing.
Induction brazing yave iripo kubvira kuma1950, kunyange zvazvo pfungwa yekupisa kupisa (uchishandisa electromagnetism) yakawanikwa makore anopfuura zana zvisati zvaitika nemusayendisiti weBritish Michael Faraday.Matochi emaoko ndiwo akatanga kupisa kupisa, achiteverwa nevira mumakore ekuma 1920. Mukati meHondo Yenyika II, nzira dzechoto-based dzaiwanzoshandiswa kugadzira zvikamu zvakakura zvesimbi uye zvishoma zvishoma.
Kudiwa kwevatengi kwema air conditioning mumakore ekuma1960 nema1970 kwakagadzira maapplication matsva ekuti induction brazing.Ichokwadi, kuwanda kwealuminium mukupera kwema1970 kwakakonzera kuwanda kwezvikamu zvinowanikwa mumasisitimu emazuva ano ekufambisa mhepo.
"Kusiyana nemwenje wetochi, induction brazing haibatike uye inoderedza njodzi yekupisa," anodaro Rick Bausch, maneja wekutengesa weAmbrell Corp., muTEST.temperature.
Sekureva kwaGreg Holland, maneja wekutengesa uye mashandiro ku eldec LLC, yakajairwa induction brazing system ine zvikamu zvitatu.Aya ndiwo magetsi, musoro unoshanda une induction coil uye inotonhorera kana inotonhorera system.
Simba rekushandisa rinosanganiswa nemusoro webasa uye mapeji anowanzogadzirirwa kuti aenderane nekubatana.Inductors inogona kugadzirwa kubva kune matanda akasimba, tambo dzinochinjika, mabhidhi emagetsi, kana 3D yakadhindwa kubva kuhupfu hwemhangura yemhangura.Kazhinji, zvisinei, inogadzirwa nemhangura yemhangura yemhangura, iyo iyo mvura inoyerera nokuda kwezvikonzero zvakawanda.Imwe ndeyokuchengetedza bhanhire remvura inotonhora inoyererawo nekudzivirira zvikamu zvinotonhora panguva yekupisa. kuvaka-up mumakoiri nekuda kwekugara kuvepo kwekuchinjana ikozvino uye kunokonzeresa kusashanda kwekutamisa kupisa.
“Dzimwe nguva flux concentrator inoiswa pacoil kusimbisa simba remagineti panzvimbo imwe kana kupfuura panosangana,” anotsanangura kudaro Holland.” Maconcentrator akadai anogona kunge ari erudzi rwelaminate, angave nesimbi dzakatetepa dzemagetsi dzakasungirirwa pamwe chete, kana kuti machubhu eferromagnetic ane powdered ferromagnetic material uye dielectric bond akadzvanywa pasi pekumanikidzwa kukuru.Shandisa chero Kubatsira kweiyo concentrator ndeyekuti inoderedza kutenderera nguva nekuunza simba rakawanda munzvimbo dzakati dzejoint nekukurumidza, uku ichichengeta dzimwe nzvimbo dzichitonhorera.
Usati waisa zvikamu zvesimbi zve induction brazing, mutyairi anofanirwa kuseta zvakanaka kuwanda uye mazinga esimba eiyo system.Iyo frequency inogona kubva pa5 kusvika ku500 kHz, iyo yakakwira frequency, inokurumidza nzvimbo inopisa.
Zvigadzirwa zvemagetsi zvinowanzokwanisa kubudisa mazana emagetsi emagetsi.Zvisinei, kusveta chikamu chemuchindwe mumasekondi gumi kusvika ku15 kunoda 1 kusvika ku5 kilowatts.Nokuenzanisa, zvikamu zvikuru zvinogona kuda 50 kusvika ku100 kilowatts yesimba uye kutora kusvika kumaminitsi mashanu kuti uite braze.
"Semutemo, zvidiki zvinoshandisa simba shoma, asi zvinoda mafrequency akakwira, senge zana kusvika mazana matatu kilohertz," akadaro Bausch.
Pasinei nehukuru hwazvo, zvikamu zvesimbi zvinoda kuiswa zvakanaka zvisati zvasungwa.Kuchengetedza kunofanira kutorwa kuchengetedza mukaha wakaoma pakati pesimbi dzepasi kuti zvibvumire zvakakodzera capillary chiito neinoyerera filler metal.Butt, lap uye butt lap joints ndiyo nzira yakanakisisa yekuita kuti izvi zvibvumirwe.
Zvechinyakare kana kuzvigadzirisa zvinogamuchirika.Zvigadziriso zvakajairwa zvinofanirwa kugadzirwa nezvinhu zvisingaite sesimbi isina tsvina kana ceramic, uye kubata zvikamu zvishoma sezvinobvira.
Nekugadzira zvikamu zvine seams anopindirana, swaging, depressions kana knurls, kuzvigadzirisa kunogona kuwanikwa pasina kudiwa kwekutsigirwa kwemichina.
Majoini acho anobva acheneswa ne emery pad kana solvent kuti abvise zvinosvibisa zvakaita semafuta, girizi, ngura, chiyero uye grime.Iyi nhanho inowedzera kuwedzera capillary chiito chesimbi yakanyungudutswa yekuzadza ichizvidhonza pachayo kuburikidza nenzvimbo dziri pedyo dzejoini.
Mushure mokunge zvikamu zvagara zvakanaka uye zvakacheneswa, mushandisi anoshandisa chidimbu chekubatana (kazhinji kacho paste) kune chibatanidzwa.Mushonga wacho musanganiswa wesimbi yekuzadza, flux (kudzivirira oxidation) uye binder inobata simbi uye inoputika pamwe chete isati yanyunguduka.
Filler metals uye fluxes anoshandiswa mubrazing anogadzirwa kuti amire kutonhora kwepamusoro pane anoshandiswa mu soldering.Masimbi ekuzadza anonyunguduka patembiricha ingangoita 842 F uye akasimba kana atonhodzwa.Anosanganisira aluminium-silicon, mhangura, copper-silver, brass, bronze, gold-silver, silver, uye nickel alloys.
Mushandi anozoisa induction coil, iyo inouya mumhando dzakasiyana-siyana.Makoiri eHelical ane denderedzwa kana kuti oval muchimiro uye anotenderedza zvachose chikamu, ukuwo forogo (kana pincer) makoiri ari kudivi rimwe nerimwe remajoini uye chiteshi coils hoko pachikamu.Mamwe macoil anosanganisira Inner Diameter (ID), ID/Outer Diameter (OD), Open, Pancake, uye Pancake.
Kupisa kwakafanana kwakakosha pakubatana kwemhando yepamusoro-soro. Kuti aite izvi, mushandisi anofanira kuona kuti nhambwe yakatwasuka pakati pega ega induction coil loop idiki uye kuti chinhambwe chekubatanidza (gap width kubva pacoil OD kusvika ID) inoramba yakafanana.
Zvadaro, mushandisi anobatidza simba kuti atange kudziya mujoini. Izvi zvinosanganisira kukurumidza kutamisa zviri pakati kana kuti high frequency alternating current kubva pamagetsi kuenda kune inductor kugadzira alternating magnetic field around it.
Iyo magnetic field inokonzera ikozvino pamusoro pekubatana, iyo inokonzera kupisa kunyungudusa simbi yekuzadza, ichibvumira kuyerera uye kunyorova pamusoro pechikamu chesimbi, kugadzira chisungo chakasimba.Kushandisa ma-multi-position coils, iyi nzira inogona kuitwa pazvikamu zvakawanda panguva imwe chete.
Kuchenesa kwekupedzisira uye kuongororwa kwechikamu chimwe nechimwe chebrazed chinokurudzirwa.Kushambidza zvikamu nemvura inopisa kusvika ku120 F ichabvisa masara emvura uye chero chiyero chakaumbwa panguva yebrazing.Chikamu chinofanira kunyudzwa mumvura mushure mokunge simbi yezadza yasimbiswa asi gungano richiri kupisa.
Zvichienderana nechikamu, kuongororwa kudiki kunogona kuteverwa nekusaparadza uye kunoparadza kuyedza.NDT nzira dzinosanganisira yekuona uye radiographic kuongorora, pamwe nekuvuza uye kuongororwa kwehumbowo.Inojairwa inoparadza nzira dzekuedza ndeye metallographic, peel, tensile, shear, kuneta, kutamisa, uye torsion kuyedzwa.
"Induction brazing inoda mari yakakura-yekumberi yekudyara kupfuura nzira yetorch, asi zvakafanira nekuti unowana humwe hunyanzvi uye kutonga," akadaro Holland.Kana ukasadaro unodzvanya.”
Eldec inogadzira zvakasiyana-siyana zvemasimba emagetsi ekupinza brazing, zvakadai seECO LINE MF intermediate frequency line, iyo inowanikwa mumagadzirirwo akasiyana-siyana kuti ienderane nekushanda kwega kwega.Masimba aya anowanikwa mumagetsi emagetsi kubva ku5 kusvika ku150 kW uye mafrequencies kubva ku8 kusvika ku40 Hz. Mamodheru ose anogona kuve akashongedzerwa nekuwedzera simba rekuwedzera 100 50% mukati memaminitsi 3. Zvimwe zvinhu zvinokosha zvinosanganisira pyrometer yekushisa kwekushisa, rekodha yekushisa uye insulated gedhi bipolar transistor power switch.Izvi zvinoshandiswa zvinoda kugadziriswa zvishoma, zvinoshanda zvakanyarara, zvine zvishoma zvishoma, uye zvinosanganiswa nyore nyore nevashandi vebasa.
Vagadziri mumaindasitiri akati wandei vari kuwedzera kushandisa induction brazing kuti vaunganidze zvikamu.Bausch inonongedza kumotokari, aerospace, michina yekurapa uye vagadziri vemigodhi migodhi sevashandisi vakuru veAmbrell induction brazing equipment.
"Nhamba ye induction brazed aluminium components mumotokari yemotokari inoramba ichiwedzera nekuda kwekuderedza uremu," Bausch anoratidza. "Muchikamu chemuchadenga, nickel uye mamwe marudzi ehuputi hwehuputi zvinowanzoputirwa kune jet blades.Maindasitiri ese ari maviri anopinzawo masimbi akasiyana-siyana epombi dzesimbi. "
Ese matanhatu eAmbrell's EasyHeat masisitimu ane frequency renji ye150 kusvika 400 kHz uye akanakira induction brazing yezvikamu zvidiki zvejometries dzakasiyana-siyana.The compacts (0112 uye 0224) inopa simba rekutonga mukati me25 watts resolution;iwo modhi muLI akatevedzana (3542, 5060, 7590, 8310) inopa kutonga mukati memakumi mashanu watts resolution.
Zvose zvakatevedzana zvine musoro webasa rinobviswa kusvika mamita gumi kubva kune simba remagetsi.Magadzirirwo emagetsi epamberi anogadziriswa, achibvumira mushandisi wekupedzisira kuti atsanangure kusvika kune mana akasiyana-siyana ekupisa profiles, imwe neimwe inosvika kunguva shanu uye matanho emagetsi.Kuremedza simba rekudzivirira kunowanikwa kune kuonana kana kuiswa kweanalog, kana sarudzo ye serial data port.
“Makasitoma edu makuru ekugadzira masimbi ekugadzira masimbi ane kabhoni, kana kuti zvikamu zvihombe zvine iron yakawanda,” anotsanangura kudaro Rich Cukelj, Fusion Business Development Manager.
Fusion inotengesa tsika dzema rotary systems dzinogona induction braze 100 kusvika 1,000 zvikamu paawa. Maererano neCukelj, zvibereko zvakakwirira zvinogoneka kune rumwe rudzi rwechikamu kana kuti kune rumwe rutivi rwezvikamu.
"Sitimu yega yega ine indexer kubva kuStelron Components Inc. ine 8, 10 kana 12 nzvimbo dzekushandira," anotsanangura Cukelj."Dzimwe nzvimbo dzekushandira dzinoshandiswa kubhuroka, nepo dzimwe dzichishandiswa pakuongorora, kushandisa yekuona kamera kana laser yekuyera michina, kana kuita bvunzo dzekudhonza kuti ive yemhando yepamusoro majoini.
Vagadziri vanoshandisa eldec's standard ECO LINE magetsi ekushandisa kwakasiyana-siyana induction brazing applications, senge shrink-fitting rotors uye shafts, kana kujoinha mota housings, Holland akadaro.Munguva pfupi yapfuura, 100 kW modhi yejenareta iyi yakashandiswa mune yakakura zvikamu application iyo yaisanganisira brazing mhangura yedunhu zvindori kune dhamu remagetsi emagetsi emhangura.
Eldec inogadzirawo inotakurika MiniMICO magetsi emagetsi anogona kufambiswa nyore nyore kutenderedza fekitori ine frequency rengesheni ye10 kusvika 25 kHz. Makore maviri apfuura, mugadziri wemotokari kupisa exchanger chubhu akashandisa MiniMICO kuti induction braze kudzorera magokora kune imwe neimwe chubhu.Mumwe munhu akaita zvese brazing, uye zvakatora isingasviki masekonzi makumi matatu kuunganidza chubhu imwe neimwe.
Jim mupepeti mukuru paASSEMBLY ane makore anopfuura makumi matatu eruzivo rwekunyora. Asati ajoina ASSEMBLY, Camillo aive PM Engineer, mupepeti weAssociation for Equipment Engineering Journal neMilling Journal.Jim ane dhigirii reChirungu kubva kuDePaul University.
Tumira Chikumbiro cheChikumbiro (RFP) kune mutengesi wesarudzo yako uye tinya bhatani rinotsanangura zvaunoda
Bhurawuza gwara remutengi wedu kuti uwane vatengesi veese marudzi ese tekinoroji tekinoroji, michina uye masisitimu, vanopa masevhisi uye masangano ekutengesa.
Lean Six Sigma yave ichityaira kuenderera mberi kwekuvandudza kuedza kwemakumi emakore, asi kukanganisa kwayo kwave kuoneka.Kuunganidza data kunonyanya kushanda uye kunogona kungotora masampuli maduku.Data ikozvino inogona kutorwa kwenguva yakareba uye munzvimbo dzakawanda pachidimbu chemutengo wekare nzira dzemaoko.
Marobhoti akachipa uye ari nyore kushandisa kupfuura kare.Tekinoroji iyi inowanikwa nyore nyore kunyange kuvagadziri vadiki nevari pakati.Teerera kune iyi yakasarudzika nhaurirano ine vatungamiri vanobva kune vana vepamusoro vekuAmerica vanotengesa marobhoti: ATI Industrial Automation, Epson Robots, FANUC America, uye Universal Robots.