Kusan kowane tsari na haɗuwa za a iya aiwatar da shi ta hanyoyi da yawa. Zaɓin da mai ƙira ko mai haɗawa ya zaɓa don sakamako mafi kyau yawanci shine wanda ya dace da fasahar da aka tabbatar da takamaiman aikace-aikacen.
Brazing yana daya daga cikin irin wannan tsari.Brazing tsari ne na haɗakar ƙarfe wanda sassa biyu ko fiye na ƙarfe ke haɗa su ta hanyar narkewar karfen filler da gudana a cikin haɗin gwiwa.
Za a iya ba da zafi don brazing ta hanyar tocina, tanderu ko induction coils.Lokacin induction brazing, induction coil ya haifar da filin maganadisu wanda ke dumama substrate don narke karfen filler.Induction brazing yana tabbatar da zama mafi kyawun zaɓi don haɓaka yawan aikace-aikacen taro.
"Induction brazing ya fi aminci fiye da tocila, da sauri fiye da tanderun wuta, kuma mafi maimaitawa fiye da dukansu," in ji Steve Anderson, manajan filin da gwajin kimiyya a Fusion Inc., wani mai haɗin gwiwa mai shekaru 88 a Willoughby, Ohio Said, ƙwararre a cikin hanyoyi daban-daban na taro, ciki har da brazing." Plus, ƙaddamar da brazing ya fi sauƙi.Idan aka kwatanta da sauran hanyoyin guda biyu, duk abin da kuke buƙata shine daidaitaccen wutar lantarki.”
Bayan 'yan shekaru da suka wuce, Fusion ya ɓullo da wani cikakken atomatik na shida tashar na'ura don tara 10 carbide burrs for karfe aiki da Toolmaking.The burrs aka sanya ta attaching cylindrical da conical tungsten carbide blanks zuwa karfe shank.The samar kudi ne 250 sassa a kowace sa'a, da kuma raba sassa tire iya rike 144 blanks da kayan aiki holders.
“Robot SCARA mai axis guda huɗu ya ɗauko hannu daga tire, ya gabatar da shi ga injin manna, kuma ya loda shi cikin gidan gripper,” in ji Anderson.Ana yin brazing na induction ta amfani da coil na lantarki wanda ke nannade a tsaye a kusa da sassan biyu kuma yana kawo karfen filler na azurfa zuwa zafin jiki na 1,305 F. Bayan an daidaita bangaren burr kuma a sanyaya shi, ana fitar da shi ta hanyar fitar da ruwa a tattara don ci gaba da sarrafawa.”
Yin amfani da brazing na induction don haɗuwa yana ƙaruwa, musamman saboda yana haifar da haɗin gwiwa mai ƙarfi tsakanin sassa biyu na ƙarfe kuma saboda yana da matukar tasiri wajen haɗa kayan da ba daidai ba.Damuwa da muhalli, ingantattun fasaha, da aikace-aikacen da ba na al'ada ba kuma suna tilasta injiniyoyin masana'antu su yi la'akari da ƙaddamar da brazing.
Induction brazing ya kasance a kusa tun daga 1950s, kodayake manufar shigar da dumama (amfani da electromagnetism) an gano shi fiye da karni daya kafin masanin kimiya na Burtaniya Michael Faraday.Hand torchs su ne farkon zafi tushen brazing, bi tanderu a cikin 1920s. A lokacin yakin duniya na II, tander-tushen hanyoyin da aka akai-akai amfani da karfe da yawa hanyoyin da za a yi amfani da karfe.
Bukatar mabukaci don kwantar da iska a cikin 1960s da 1970s sun ƙirƙiri sabbin aikace-aikace don ƙaddamar da brazing.A zahiri, yawan brazing na aluminum a ƙarshen 1970s ya haifar da yawancin abubuwan da aka samu a cikin tsarin kwandishan na motoci na yau.
Rick Bausch, manajan tallace-tallace na Ambrell Corp., inTEST.temperature ya ce "Ba kamar wutar lantarki ba, brazing induction ba lamba bane kuma yana rage haɗarin zafi."
A cewar Greg Holland, manajan tallace-tallace da ayyuka a eldec LLC, daidaitaccen tsarin brazing na induction ya ƙunshi sassa uku. Waɗannan su ne samar da wutar lantarki, shugaban aiki tare da coil induction da tsarin sanyaya ko sanyaya.
Ana haɗa wutar lantarki zuwa shugaban aikin kuma an tsara coils ɗin al'ada don dacewa da haɗin gwiwa. Za'a iya yin inductors daga sanduna masu ƙarfi, igiyoyi masu sassauƙa, billet ɗin injin, ko 3D da aka buga daga gami da ƙarfe na ƙarfe. coils saboda yawan kasancewar alternating current da sakamakon rashin ingantaccen canja wurin zafi.
"Wani lokaci ana sanya na'ura mai juyi a kan nada don ƙarfafa filin maganadisu a ɗaya ko fiye da maki a cikin mahaɗin," in ji Holland." Irin waɗannan abubuwan tattarawa na iya zama nau'in laminate, wanda ya ƙunshi ƙananan ƙarfe na lantarki da aka haɗe tare, ko bututun ferromagnetic da ke ɗauke da kayan ferromagnetic foda da haɗin gwiwar dielectric da aka matsa a ƙarƙashin matsin lamba.Yi amfani da ko dai Amfanin mai mai da hankali shine yana rage lokacin sake zagayowar ta hanyar kawo ƙarin kuzari zuwa takamaiman wuraren haɗin gwiwa cikin sauri, yayin da yake kiyaye sauran wuraren sanyaya."
Kafin sanya sassan ƙarfe don ƙaddamar da brazing, mai aiki yana buƙatar saita mita da matakan ƙarfin tsarin yadda ya kamata.Mitar na iya zuwa daga 5 zuwa 500 kHz, mafi girman mitar, da sauri saman yana zafi.
Kayan wutar lantarki sau da yawa suna iya samar da daruruwan kilowatts na wutar lantarki. Duk da haka, brazing wani yanki mai girman dabino a cikin 10 zuwa 15 seconds yana buƙatar kawai 1 zuwa 5 kilowatts. Ta kwatanta, manyan sassa na iya buƙatar 50 zuwa 100 kilowatts na wutar lantarki kuma suna ɗaukar har zuwa 5 mintuna don braze.
Bausch ya ce, "A matsayinka na gaba ɗaya, ƙananan abubuwan da aka gyara suna amfani da ƙarancin wutar lantarki, amma suna buƙatar mitoci masu girma, kamar 100 zuwa 300 kilohertz," in ji Bausch.
Ba tare da la'akari da girman su ba, sassan ƙarfe suna buƙatar a sanya su daidai kafin a ɗaure su.Ya kamata a dauki kulawa don kula da rata mai tsauri tsakanin ƙananan ƙarfe don ba da damar yin aikin capillary mai dacewa ta hanyar madaidaicin filler.
Na al'ada ko gyaran kai ana yarda da su.Ya kamata a yi gyare-gyare na yau da kullum da ƙananan kayan aiki kamar bakin karfe ko yumbu, kuma a taɓa abubuwan da aka gyara kadan kadan.
Ta hanyar zayyana sassa tare da sutura masu haɗaka, swaging, depressions ko knurls, ana iya samun gyaran kai ba tare da buƙatar tallafin injiniya ba.
Sannan ana tsabtace mahaɗin tare da kushin emery ko sauran ƙarfi don cire gurɓata kamar mai, mai, tsatsa, sikeli da ƙura.Wannan matakin yana ƙara haɓaka aikin capillary na narkakkar filler karfe yana jan kansa ta saman da ke kusa da haɗin gwiwa.
Bayan an zaunar da sassan da kyau kuma an tsaftace su, mai aiki yana amfani da haɗin gwiwar haɗin gwiwa (yawanci manna) zuwa haɗin gwiwa. Ginin shine cakudaccen ƙarfe na filler, juzu'i (don hana oxidation) da kuma ɗaure wanda ke riƙe da ƙarfe da haɗuwa tare kafin narkewa.
Filler karafa da fluxes amfani da brazing an tsara su don jure yanayin zafi fiye da waɗanda aka yi amfani da su a sayar da.Filler karafa da ake amfani da brazing narke a yanayin zafi na akalla 842 F kuma sun fi karfi a lokacin da sanyaya.Sun hada da aluminum-silicon, jan karfe, jan-azurfa, tagulla, tagulla, zinariya-azurfa, azurfa, da kuma nickel gami.
Sa'an nan kuma ma'aikacin ya sanya coil induction, wanda ya zo a cikin nau'i-nau'i iri-iri. Ƙwayoyin Helical suna da madauwari ko oval kuma suna kewaye da sashin gaba daya, yayin da cokali mai yatsa (ko pincer) yana samuwa a kowane gefe na haɗin gwiwa da kuma tashar tashar tashar tashar tashar tashar tashar tashar tashar jiragen ruwa a kan sashin.
Zafin Uniform yana da mahimmanci don haɗin haɗin gwal mai inganci. Don yin wannan, mai aiki yana buƙatar tabbatar da cewa nisa ta tsaye tsakanin kowane madauki naɗaɗɗen shigar ƙarami ne kuma nisan haɗakarwa (nisa nisa daga coil OD zuwa ID) ya kasance iri ɗaya.
Bayan haka, mai aiki yana kunna wutar lantarki don fara aiwatar da dumama haɗin gwiwa.Wannan ya haɗa da saurin canja wurin tsaka-tsaki ko babban mitar sauyawar halin yanzu daga tushen wutar lantarki zuwa inductor don ƙirƙirar filin magnetic a kusa da shi.
Filin maganadisu yana haifar da halin yanzu a saman haɗin gwiwa, wanda ke haifar da zafi don narke karfen filler, yana ba shi damar gudana da jika saman ɓangaren ƙarfe, ƙirƙirar haɗin gwiwa mai ƙarfi.Ta amfani da coils masu yawa, ana iya yin wannan tsari akan sassa da yawa lokaci guda.
Ana ba da shawarar tsaftacewa na ƙarshe da dubawa na kowane nau'in brazed. Wanke sassa tare da zafi mai zafi zuwa akalla 120 F zai cire ragowar juzu'i da kowane sikelin da aka kafa a lokacin brazing.Ya kamata a nutsar da sashin a cikin ruwa bayan karfe mai filler ya ƙarfafa amma har yanzu taron yana da zafi.
Dangane da ɓangaren, ƙananan dubawa za a iya biyo baya ta hanyar gwaji mara lalacewa da lalacewa. Hanyoyin NDT sun haɗa da dubawa na gani da na rediyo, da kuma gwajin gwaji da gwaji.Hanyoyin gwaji na yau da kullum sune metallographic, kwasfa, tensile, shear, gajiya, canja wuri, da gwajin torsion.
"Induction brazing yana buƙatar babban jari na gaba fiye da hanyar wutar lantarki, amma yana da daraja saboda kun sami ƙarin inganci da sarrafawa," in ji Holland." Tare da ƙaddamarwa, lokacin da kuke buƙatar zafi, kawai danna.Idan ba ka yi ba, ka danna.”
Eldec yana samar da nau'i-nau'i masu yawa na wutar lantarki don ƙaddamar da brazing, irin su ECO LINE MF matsakaicin layin mita, wanda yake samuwa a cikin nau'i-nau'i daban-daban don dacewa da kowane aikace-aikacen.Waɗannan wutar lantarki suna samuwa a cikin ƙimar wutar lantarki daga 5 zuwa 150 kW da mitoci daga 8 zuwa 40 Hz. Duk samfuran za a iya sanye su tare da ƙarin ƙarfin haɓakawa% 0 a cikin 1% mai haɓaka haɓakawa na 1% mai haɓakawa na 1% mai haɓakawa na 1. Mintuna.Wasu mahimman fasalulluka sun haɗa da sarrafa zafin jiki na pyrometer, mai rikodin zafin jiki da maɓallan wutar lantarki na gate bipolar transistor.Wadannan abubuwan amfani suna buƙatar kulawa kaɗan, suna aiki cikin nutsuwa, suna da ƙaramin sawun ƙafa, kuma suna cikin sauƙin haɗawa tare da masu sarrafa kayan aiki.
Masu masana'antu a masana'antu da yawa suna ƙara yin amfani da brazing induction don haɗa sassa.Bausch yana nuna motoci, sararin samaniya, kayan aikin likita da masana'antun ma'adinai na ma'adinai a matsayin mafi yawan masu amfani da kayan aikin brazing na Ambrell.
Bausch ya yi nuni da cewa, "Yawancin induction brazed aluminum sassa a cikin masana'antar kera na ci gaba da karuwa saboda ayyukan rage nauyi."Dukkanin masana'antu kuma suna ƙaddamar da kayan aikin bututun ƙarfe daban-daban."
Duk shida na Ambrell's EasyHeat tsarin suna da kewayon mitar 150 zuwa 400 kHz kuma suna da kyau don ƙaddamar da brazing na ƙananan sassa na geometries daban-daban. Ƙididdigar (0112 da 0224) suna ba da ikon sarrafa wutar lantarki a cikin 25 watts ƙuduri;samfurori a cikin jerin LI (3542, 5060, 7590, 8310) suna ba da iko a cikin ƙudurin 50 watts.
Dukansu jerin suna da shugaban aiki mai cirewa har zuwa ƙafa 10 daga tushen wutar lantarki. Tsarin tsarin tsarin gaban panel yana da shirye-shirye, yana ba da damar mai amfani na ƙarshe ya ayyana har zuwa nau'ikan bayanan dumama daban-daban guda huɗu, kowannensu yana da har zuwa sau biyar da matakan wutar lantarki. Ana samun ikon sarrafa iko na nesa don lamba ko shigarwar analog, ko tashar tashar bayanai ta zaɓi na zaɓi.
"Babban kwastomominmu don ƙaddamar da brazing sune masana'antun sassa waɗanda ke ɗauke da wasu carbon, ko manyan sassan da ke ɗauke da adadin ƙarfe mai yawa," in ji Rich Cukelj, Manajan Haɓaka Kasuwancin Fusion.
Fusion yana siyar da tsarin jujjuya al'ada wanda zai iya shigar da braze 100 zuwa 1,000 a cikin awa daya. A cewar Cukelj, yawan amfanin ƙasa yana yiwuwa don nau'in nau'in sashi ɗaya ko don takamaiman jerin sassan.Wadannan sassa suna cikin girman daga 2 zuwa 14 square inci.
"Kowane tsarin ya ƙunshi mai nuna alama daga Stelron Components Inc. tare da 8, 10 ko 12 wuraren aiki," in ji Cukelj.
Masu kera suna amfani da ma'aunin wutar lantarki na ECO LINE na eldec don aikace-aikacen brazing iri-iri, irin su jujjuyawa masu dacewa da rotors da shafts, ko shiga gidajen mota, in ji Holland.
Har ila yau, Eldec yana ƙera kayan wutar lantarki na MiniMICO masu ɗaukar nauyi waɗanda za a iya motsa su cikin sauƙi a kusa da masana'anta tare da mitar mita 10 zuwa 25. Shekaru biyu da suka wuce, wani mai kera bututun musayar zafi na mota ya yi amfani da MiniMICO don shigar da braze dawo da gwiwar hannu zuwa kowane bututu.
Jim babban edita ne a ASSEMBLY tare da fiye da shekaru 30 na gogewar edita. Kafin shiga ASSEMBLY, Camillo ya kasance Injiniya PM, editan Ƙungiyar Injiniya na Injiniya da Milling Journal.Jim yana da digiri a cikin Ingilishi daga Jami'ar DePaul.
Ƙaddamar da Buƙatun Ba da Shawara (RFP) ga mai siyar da kuka zaɓa kuma danna maɓallin da ke bayyana bukatunku
Bincika jagorar mai siyan mu don nemo masu samar da kowane nau'in fasahar haɗuwa, inji da tsarin, masu ba da sabis da ƙungiyoyin kasuwanci.
Lean shida Sigma yana tuki ci gaba da kokarin ingantawa tsawon shekarun da suka gabata, amma gazawarsa sun bayyana a fili.Tarin bayanai yana da matukar aiki kuma yana iya ɗaukar ƙananan samfurori kawai.Data za a iya kama shi na dogon lokaci kuma a wurare da yawa a wani ɗan ƙaramin farashi na tsofaffin hanyoyin hannu.
Robots sun fi arha da sauƙin amfani fiye da kowane lokaci.Wannan fasaha tana samuwa har ma ga ƙanana da matsakaitan masana'anta.Saurari wannan tattaunawa ta musamman da ke nuna shuwagabanni huɗu na manyan masu samar da injinan na'ura na Amurka: ATI Industrial Automation, Epson Robots, FANUC America, da Universal Robots.