Pafupifupi msonkhano uliwonse ukhoza kuchitidwa m'njira zingapo.Njira yomwe wopanga kapena wophatikiza amasankha kuti apeze zotsatira zabwino nthawi zambiri imakhala yofanana ndi teknoloji yotsimikiziridwa ndi ntchito inayake.
Brazing ndi njira imodzi yotereyi.Brazing ndi njira yolumikizira zitsulo zomwe zigawo ziwiri kapena zingapo zachitsulo zimagwirizanitsidwa ndi kusungunula zitsulo zodzaza ndi kuthamangira mu mgwirizano.Chitsulo chodzaza chimakhala ndi malo otsika kwambiri kuposa zitsulo zoyandikana nazo.
Kutentha kwa brazing kungaperekedwe ndi torchi, ng'anjo kapena ma induction coils.Pakati pa induction brazing, coil induction imapanga mphamvu ya maginito yomwe imatenthetsa gawo lapansi kuti lisungunuke zitsulo zodzaza.Induction brazing ikuwonetseratu kukhala chisankho chabwino kwambiri pa kuchuluka kwa ntchito zosonkhana.
"Kuwotcha kwa induction ndikotetezeka kwambiri kuposa kuyatsa ng'anjo, mwachangu kuposa kuyatsa ng'anjo, komanso kubwerezedwanso kuposa zonse ziwiri," atero Steve Anderson, manejala wa sayansi yam'munda ndi mayeso ku Fusion Inc., wophatikiza wazaka 88 ku Willoughby, Ohio Said, amagwiritsa ntchito njira zosiyanasiyana zochitira misonkhano, kuphatikiza kuwotcha.Poyerekeza ndi njira zina ziwirizi, zomwe mukufunikira ndi magetsi okhazikika. ”
Zaka zingapo zapitazo, Fusion inapanga makina asanu ndi limodzi odzipangira okha opangira ma carbide 10 opangira zitsulo ndi kupanga zida. Ma burrs amapangidwa pomangirira zitsulo zokhala ndi cylindrical ndi conical tungsten carbide ku shank yachitsulo.
“Loboti ya SCARA ya mizere inayi imatenga chogwirira mu thireyi, n’kuchipereka kwa solder paste dispenser, n’kuchilowetsa m’chisa cha gripper,” akufotokoza motero Anderson.Induction brazing imachitika pogwiritsa ntchito koyilo yamagetsi yomwe imakulunga mozungulira mbali ziwirizo ndikubweretsa chitsulo chodzaza siliva ku kutentha kwa liquidus 1,305 F. Chigawo cha burr chikalumikizidwa ndikuzizidwa, chimatulutsidwa kudzera mu chute yotulutsa ndikusonkhanitsidwa kuti apitirize kukonzanso.
Kugwiritsiridwa ntchito kwa induction brazing pa msonkhano kukuwonjezeka, makamaka chifukwa kumapanga mgwirizano wamphamvu pakati pa zigawo ziwiri zazitsulo komanso chifukwa zimakhala zogwira mtima kwambiri polumikizana ndi zinthu zosiyana.
Induction brazing yakhalapo kuyambira 1950s, ngakhale kuti lingaliro la kutenthetsa kutentha (pogwiritsa ntchito electromagnetism) linapezedwa zaka zoposa zana lisanafike ndi wasayansi wa ku Britain Michael Faraday.Ma nyali a manja anali gwero loyamba la kutentha kwa moto, kutsatiridwa ndi ng'anjo m'zaka za m'ma 1920. Panthawi ya nkhondo yachiwiri ya padziko lonse, njira zopangira ng'anjo zinkagwiritsidwa ntchito mobwerezabwereza kupanga mbali zazikulu zazitsulo zokhala ndi ndalama zochepa.
Kufuna kwa ogula kwa ma air conditioner m'zaka za m'ma 1960 ndi 1970 kunapanga mapulogalamu atsopano opangira magetsi opangira magetsi.
"Mosiyana ndi kuyatsa kwa nyali, kuyatsa kolowera sikulumikizana ndipo kumachepetsa chiopsezo chotenthedwa," akutero Rick Bausch, woyang'anira malonda ku Ambrell Corp., inTEST.temperature.
Malinga ndi Greg Holland, woyang'anira malonda ndi ntchito ku eldec LLC, makina opangira magetsi opangira magetsi amakhala ndi zigawo zitatu.Izi ndizo magetsi, mutu wogwira ntchito ndi coil induction ndi makina ozizira kapena ozizira.
Mphamvu zamagetsi zimagwirizanitsidwa ndi mutu wa ntchito ndipo ma coils amapangidwa kuti agwirizane ndi mgwirizano.Inductors akhoza kupangidwa kuchokera ku ndodo zolimba, zingwe zosinthika, ma billets opangidwa ndi makina, kapena 3D yosindikizidwa kuchokera ku alloys amkuwa a ufa. kumangika mu ma coils chifukwa cha kupezeka pafupipafupi kwa ma alternating apano komanso chifukwa chosakwanira kutentha kutengerapo.
Holland akufotokoza kuti: “Nthawi zina cholumikizira cholumikizira chimayikidwa pa koyilo kuti chilimbitse mphamvu ya maginito pamalo amodzi kapena angapo pa mphambano,” akufotokoza motero Holland.” Ma concentrators oterowo angakhale amtundu wa laminate, wopangidwa ndi zitsulo zopyapyala zamagetsi zomangika pamodzi, kapena machubu a ferromagnetic okhala ndi ferromagnetic material yaufa ndi ma dielectric bondi opanikizidwa ndi kupsinjika kwakukulu.Gwiritsani ntchito Ubwino wa concentrator ndikuti umachepetsa nthawi yozungulira pobweretsa mphamvu zambiri m'malo olumikizana mwachangu, ndikusunga madera ena ozizira. ”
Asanayike mbali zachitsulo zopangira induction brazing, wogwiritsa ntchitoyo amayenera kuyika bwino ma frequency ndi mphamvu za system.Ma frequency amatha kuyambira 5 mpaka 500 kHz, kumtunda kwafupipafupi, kutenthetsa kwapamwamba pamtunda.
Zida zamagetsi nthawi zambiri zimatha kupanga ma kilowatts mazana a magetsi.Komabe, kuwomba gawo laling'ono la kanjedza mu masekondi 10 mpaka 15 kumafuna kilowatts 1 mpaka 5. Poyerekeza, mbali zazikuluzikulu zingafunike 50 mpaka 100 kilowatts za mphamvu ndipo zimatenga mphindi 5 kuti ziwotche.
"Mwachizoloŵezi, zigawo zing'onozing'ono zimagwiritsa ntchito mphamvu zochepa, koma zimafuna maulendo apamwamba, monga 100 mpaka 300 kilohertz," adatero Bausch.
Mosasamala kanthu za kukula kwake, zigawo zachitsulo ziyenera kuikidwa bwino zisanayambe kukhazikika.Kusamala kumayenera kuchitidwa kuti pakhale kusiyana kwakukulu pakati pa zitsulo zapansi kuti zilole kuti capillary igwire bwino ndi zitsulo zothamanga.
Zokonza zachikhalidwe kapena zodzipangira zokha ndizovomerezeka.Zokonza zokhazikika ziyenera kupangidwa ndi zinthu zosapanga dzimbiri monga chitsulo chosapanga dzimbiri kapena ceramic, ndikukhudza zigawozo pang'ono momwe zingathere.
Popanga zigawo zokhala ndi seams osakanikirana, kugwedeza, kukhumudwa kapena knurls, kudzikonza nokha kungathe kupindula popanda kufunikira kwa chithandizo cha makina.
Malumikizidwewo amatsukidwa ndi emery pad kapena zosungunulira kuti achotse zonyansa monga mafuta, mafuta, dzimbiri, sikelo ndi grime.Njira iyi imapangitsanso mphamvu ya capillary ya chitsulo chosungunula chosungunula chomwe chimadzikokera chokha kudutsa pafupi ndi cholumikizira.
Zigawozo zitakhala bwino ndi kutsukidwa, wogwiritsa ntchitoyo amagwiritsa ntchito chophatikizira chophatikizana (kawirikawiri phala) ku mgwirizano.Chigawocho ndi chisakanizo cha zitsulo zodzaza, flux (kuteteza oxidation) ndi binder yomwe imagwira chitsulo ndi kusungunuka pamodzi musanasungunuke.
Zitsulo zodzaza ndi ma fluxes omwe amagwiritsidwa ntchito powotcha amapangidwa kuti azitha kupirira kutentha kwambiri kuposa zomwe zimagwiritsidwa ntchito popanga zitsulo.Zitsulo zomwe zimagwiritsidwa ntchito popanga brazing zimasungunuka pa kutentha kwa osachepera 842 F ndipo zimakhala zamphamvu zikazizira. Zimaphatikizapo aluminiyumu-silicon, mkuwa, mkuwa-siliva, mkuwa, mkuwa, golide-siliva, siliva, ndi nickel alloys.
Wogwiritsa ntchito ndiye amayika koyilo yolowera, yomwe imabwera m'mapangidwe osiyanasiyana.Makoyilo a Helical amakhala ozungulira kapena oval ndipo amazungulira mbali zonse, pomwe ma coil a foloko (kapena pincer) amakhala mbali iliyonse ya cholumikizira ndi tchanelo amakokera pagawo.Makoyilo ena amaphatikiza Diameter Yamkati (ID), ID / MultiPosition Diameter (OD), Open, Pancake, ndi Pancake.
Kuti achite izi, wogwiritsa ntchito ayenera kuwonetsetsa kuti mtunda woyimirira pakati pa loop iliyonse ndi yaying'ono komanso kuti mtunda wolumikizana (m'lifupi mwake kuchokera ku coil OD kupita ku ID) ukhalebe wofanana.
Kenako, wogwiritsa ntchitoyo amayatsa mphamvu kuti ayambe kuyatsa cholumikiziracho. Izi zimaphatikizapo kusamutsa ma frequency apakati kapena apamwamba kwambiri kuchokera kugwero lamagetsi kupita ku inductor kuti apange maginito osinthasintha mozungulira.
Mphamvu ya maginito imapangitsa kuti pakhale phokoso pamwamba pa mgwirizano, zomwe zimapanga kutentha kuti zisungunuke zitsulo zodzaza zitsulo, zomwe zimalola kuti ziziyenda ndi kunyowa pamwamba pa gawo lachitsulo, ndikupanga mgwirizano wamphamvu.
Kuyeretsa komaliza ndi kuyang'anitsitsa chigawo chilichonse cha brazed kumalimbikitsidwa.Kutsuka mbali ndi madzi otentha mpaka osachepera 120 F kudzachotsa zotsalira za flux ndi sikelo iliyonse yomwe imapangidwa panthawi ya brazing.Gawo liyenera kumizidwa m'madzi pambuyo poti zitsulo zodzaza zimakhazikika koma msonkhano udakali wotentha.
Malingana ndi gawoli, kuyang'ana kochepa kungatsatidwe ndi kuyesa kosawonongeka ndi kowononga.Njira za NDT zikuphatikizapo kuyang'ana kwazithunzi ndi ma radiographic, komanso kuyesa kutayikira ndi umboni.Njira zodziwika zowononga zowonongeka ndi metallographic, peel, tensile, shear, kutopa, kusamutsa, ndi kuyesa torsion.
"Kuwotchera kumafuna ndalama zambiri zakutsogolo kuposa njira ya nyali, koma ndikofunikira chifukwa mumapeza mphamvu komanso kuwongolera," adatero Holland.Ukapanda, umakankhira.”
Eldec imapanga magwero ambiri amagetsi opangira magetsi, monga ECO LINE MF yapakatikati yafupipafupi mzere, yomwe imapezeka m'makonzedwe osiyanasiyana kuti igwirizane ndi ntchito iliyonse. Mphamvu zamagetsizi zimapezeka muzitsulo zamphamvu kuyambira 5 mpaka 150 kW ndi mafupipafupi kuchokera ku 8 mpaka 40 Hz. Zitsanzo zonse zimatha kukhala ndi zowonjezera zowonjezera zowonjezera mphamvu zowonjezera zowonjezera 10% 50% mkati mwa maminiti a 3. Zina zofunikira zimaphatikizapo kutentha kwa pyrometer, kutentha kwa kutentha ndi insulated gate bipolar transistor power switch.Zomwe zimagwiritsidwa ntchito zimafuna kusamalidwa pang'ono, zimagwira ntchito mwakachetechete, zimakhala ndi kachidutswa kakang'ono, ndipo zimagwirizanitsidwa mosavuta ndi olamulira ogwira ntchito.
Opanga m'mafakitale angapo akuchulukirachulukira kugwiritsa ntchito induction brazing kuti asonkhanitse magawo.Bausch amalozera ku magalimoto, ndege, zida zamankhwala ndi opanga zida zamigodi monga ogwiritsira ntchito kwambiri zida za Ambrell induction brazing.
"Chiwerengero cha zigawo za aluminiyamu zowonongeka muzitsulo zamagalimoto zikupitirizabe kuwonjezeka chifukwa cha njira zochepetsera kulemera," akutero Bausch.Mafakitale onsewa amapangiranso zida zachitsulo zosiyanasiyana. ”
Machitidwe asanu ndi limodzi a EasyHeat a Ambrell ali ndi maulendo afupipafupi a 150 mpaka 400 kHz ndipo ndi abwino kuti azitha kuwongolera magawo ang'onoang'ono a geometries.mitundu mu mndandanda wa LI (3542, 5060, 7590, 8310) amapereka ulamuliro mkati 50 Watts kusamvana.
Mitundu yonse iwiriyi imakhala ndi mutu wa ntchito yochotseratu mpaka mamita 10 kuchokera ku gwero la mphamvu.Kuwongolera kutsogolo kwa dongosololi kumakonzedweratu, zomwe zimalola wogwiritsa ntchito kutha kufotokozera mpaka ma profiles anayi osiyanasiyana otentha, omwe ali ndi nthawi zisanu ndi zisanu ndi ziwiri za mphamvu.
"Makasitomala athu akuluakulu opanga ma induction brazing ndi opanga zida zomwe zimakhala ndi kaboni, kapena zigawo zazikulu zomwe zimakhala ndi chitsulo chochuluka," akufotokoza motero Rich Cukelj, Fusion Business Development Manager.
Fusion imagulitsa machitidwe ozungulira omwe amatha kulowetsa 100 mpaka 1,000 pa ola limodzi. Malingana ndi Cukelj, zokolola zapamwamba zimakhala zotheka kwa mtundu umodzi wa gawo kapena gawo linalake la magawo.Zigawozi zimachokera ku 2 mpaka 14 mainchesi lalikulu.
"Dongosolo lililonse lili ndi cholozera chochokera ku Stelron Components Inc. chokhala ndi malo ogwirira ntchito 8, 10 kapena 12," akufotokoza Cukelj." Malo ena ogwirira ntchito amagwiritsidwa ntchito popanga brazing, pomwe ena amagwiritsidwa ntchito poyang'ana, kugwiritsa ntchito makamera amasomphenya kapena zida zoyezera laser, kapena kuyesa kuyesa kukoka kuti atsimikizire kulumikizana kwapamwamba kwambiri.
Opanga amagwiritsa ntchito magetsi a eldec a ECO LINE ogwiritsira ntchito magetsi osiyanasiyana, monga shrink-fitting rotors ndi shafts, kapena kujowina nyumba zamagalimoto, adatero Holland. Posachedwapa, chitsanzo cha 100 kW cha jenereta ichi chinagwiritsidwa ntchito pazigawo zazikuluzikulu zomwe zinkagwiritsidwa ntchito popangira mphete zamkuwa zamkuwa kuti zigwirizane ndi madamu a hydros.
Eldec imapanganso zonyamula zamagetsi za MiniMICO zomwe zimatha kusuntha mozungulira fakitale ndi ma frequency osiyanasiyana a 10 mpaka 25 kHz. Zaka ziwiri zapitazo, wopanga machubu osinthira kutentha kwagalimoto amagwiritsira ntchito MiniMICO kuti alowetse zigongono zamtundu uliwonse pa chubu.
Jim ndi mkonzi wamkulu ku ASSEMBLY wokhala ndi zaka zopitilira 30. Asanalowe ASSEMBLY, Camillo anali PM Engineer, mkonzi wa Association for Equipment Engineering Journal ndi Milling Journal.Jim ali ndi digiri ya Chingerezi kuchokera ku DePaul University.
Tumizani Pempho Lanu (RFP) kwa ogulitsa omwe mwasankha ndikudina batani lofotokoza zosowa zanu
Sakatulani kalozera wa ogula kuti mupeze ogulitsa mitundu yonse yaukadaulo wapagulu, makina ndi makina, opereka chithandizo ndi mabungwe azamalonda.
Lean Six Sigma yakhala ikuyendetsa ntchito zopititsa patsogolo mosalekeza kwa zaka zambiri, koma zofooka zake zakhala zoonekeratu.Kusonkhanitsa deta kumakhala kovuta kwambiri ndipo kungatenge zitsanzo zazing'ono.Data tsopano ikhoza kugwidwa kwa nthawi yaitali komanso m'malo angapo pamtengo wamtengo wapatali wa njira zakale zamanja.
Maloboti ndi otchipa komanso osavuta kugwiritsa ntchito kuposa kale lonse. Ukadaulowu umapezeka mosavuta ngakhale kwa opanga ang'onoang'ono ndi apakatikati.Mvetserani zokambirana zapaderazi zomwe zili ndi akuluakulu ochokera kumakampani anayi apamwamba a ku America ogulitsa maloboti: ATI Industrial Automation, Epson Robots, FANUC America, ndi Universal Robots.