Ama-multifolds e-exhaust yensimbi yokushisela angazizwa ehlanganisa iphazili eyinkimbinkimbi. I-brittleness ye-cast iron, ngenxa yokuqukethwe kwayo kwekhabhoni ephezulu, yenza kube lula ukuqhekeka, ikakhulukazi ngaphansi kwezinguquko ezisheshayo zokushisa. Le nselelo ibaluleke nakakhulu uma usebenza ezintweni ezifana ne-khipha amandla amaningi enjini yemoto, lapho ukuqina kubalulekile ekusebenzeni kahle. Ukulungiselela kahle, njengokuhlanza nokushisisa kusengaphambili, kanye nezindlela ezinembile, kubalulekile ukuze ulawule ukucindezeleka okushisayo futhi uzuze ukulungiswa okuqinile, okuhlala njalo. Ukuthi ulungisa izinkinga nge-ukusebenza kwe-harmonic balancer, i-marine exhaust manifolds, nanoma iyiphi enye ingxenye ebalulekile, ukubekezela nokunaka imininingwane kuyisihluthulelo sempumelelo.
UNingbo Werkwell, umholi othembekile kwezobunjiniyela bemishini kusukela ngo-2015, uletha izingxenye zezimoto ezisezingeni eliphezulu. Ithimba labo le-QC elinekhono liqinisekisa ukusebenza kahle emikhiqizweni esukela ezingxenyeni zokulungisa zangaphakathi kuya ku-die casting kanye nokufakwa kwe-chrome, ehlangabezana nezidingo zokusebenza kwezimoto zesimanje.
Izinselelo Zokushisela I-Iron Exhaust Manifolds
I-Brittleness kanye nokuzwela kwe-Thermal
Ama-nifolds e-cast iron exhaust ayaziwa ngokubi ngenxa yokuqukethwe kwawo okuphezulu kwekhabhoni. Lokhu brittleness kubenza bathambekele ekuqhekekeni, ikakhulukazi lapho bevezwe izinguquko ezisheshayo zokushisa. I-welding cast iron exhaust manifolds idinga ukuphathwa ngokucophelela ukugwema ukulimala okwengeziwe. Ukushisa kuqala i-manifold cishe ku-400-500 degrees Fahrenheit kungasiza ekwehliseni ukushaqeka okushisayo. Lesi sinyathelo sinciphisa ubungozi bokwakheka kwemifantu ngesikhathi senqubo yokushisela. Ukusebenzisa izinto zokugcwalisa ezisekelwe ku-nickel kuqinisekisa ukuhambisana nensimbi ekhonjiwe, kwakha i-weld eqinile futhi ekwazi ukumelana nokuqhekeka.
UNingbo Werkwell, umkhiqizi okhethekile kwezobunjiniyela bemishini, uyakuqonda ukubaluleka kokuqina ezingxenyeni zezimoto. Ithimba labo le-QC elinolwazi liqinisekisa imikhiqizo yekhwalithi ephezulu, kusukela ekulingiseni ukufa kuya ku-chrome plating, okubenza babe igama elithenjwayo embonini.
Ingozi Yokuqhekeka Ekushiseni Okungalingani
Ukushisisa okungalingani kungenye inselele lapho usebenza ngeziningi ze-cast iron exhaust. Uma ingxenye eyodwa ye-manifold ishisa ngokushesha kunenye, ingaholela ekucindezelekeni nasekuqhekekeni. Ukuvimbela lokhu, ama-welders avame ukushisa i-manifold yonke ngokulinganayo. Ukugoqa i-manifold ngezinto zokuvikela ngemuva kokushisela kuvumela ukupholisa kancane, okunciphisa kakhulu ubungozi bokuqhekeka. Le ndlela iqinisekisa ukuthi i-multifold ihlala injalo futhi ihlala isikhathi eside ngaphansi kwamazinga okushisa aphezulu.
Ukuthola Ukushisela Okuqinile Nokuqina
Ukwakha i-weld eqinile neqinile ku-cast iron exhaust manifold kudinga ukunemba kanye namathuluzi alungile. Abashiseli bavame ukusebenzisa i-electrode ye-tungsten ebukhali, ehlanzekile kanye negesi ye-argon ehlanzekile ukuze bagweme ukungcola. Ukuqinisekisa ukuthi i-weld puddle ingena ngendlela efanele kubalulekile. Ngensimbi empunga, ukushisa kwangaphambi kwesikhathi kancane kanye nama-electrode e-nickel asebenza kahle kakhulu. Ngakolunye uhlangothi, i-nodular cast iron, izuza ngokushisa kwangaphambi kwesikhathi. Ukucabangela izici zemvelo, njengokuchayeka kumagesi ashisayo, nakho kunendima ekufezeni ukulungiswa okuhlala isikhathi eside.
U-Ningbo Werkwell ubelokhu ehlinzeka ngezingxenye zezimoto kusukela ngo-2015, egxile kwikhwalithi nokuthembeka. Ubuchwepheshe babo ezingxenyeni zokunquma zangaphakathi nezixhumi kuqinisekisa ukuthi wonke umkhiqizo uhlangabezana nezidingo zokusebenza kwezimoto zesimanje.
Ukulungiselela i-Exhaust Manifold for Welding
Ukuhlanza I-Surface Kahle
Indawo ehlanzekile iyisisekelo se-ai-weld ephumelelayo. Ukungcola, uwoyela, nezinsalela zensimbi ezindala kungenza buthaka isibopho, ngakho ukuzisusa kubalulekile. Abashiseli bavame ukulandela lezi zinyathelo ukuze balungise ubuso:
- Bevel the Crack: Besebenzisa umshini wokugaya, benza umsele omise okwe-V eduze komfafa. Le groove iqinisekisa izibopho zezinto zokugcwalisa ngempumelelo.
- Hlanza i-Cast iron: Asusa konke ukungcola, okuhlanganisa amafutha nokugqwala, kuze kube yilapho ubuso bubonakala bucwebezela futhi bushelelezi.
- Shisisa i-Manifold: Ukufudumala kancane i-manifold ngethoshi kusiza ukuvimbela ukushaqeka okushisayo ngesikhathi senqubo yokushisela.
UNingbo Werkwell, umkhiqizi okhethekile kwezobunjiniyela bemishini, ugcizelela ukubaluleka kokuzilungiselela ekulungiseni izimoto. Ithimba labo le-QC elinolwazi liqinisekisa imikhiqizo yekhwalithi ephezulu, kusukela ekulingiseni kuya ku-chrome plating, ehlangabezana nezidingo zokusebenza kwezimoto zesimanje.
I-Beveling Cracks Yokungena Okungcono
Ukuqhekeka kwe-beveling kuyisinyathelo esibalulekile ekushiseleni ama-iron exhaust manifolds amaningi. Ngokugaya i-groove emise okwe-V eduze komfantu, ama-welders athuthukisa ukungena kwezinto zokugcwalisa. Le nqubo idala isibopho esiqinile futhi inciphisa ingozi yezindawo ezibuthakathaka. Kuyindlela elula kodwa esebenzayo yokuqinisekisa ukuthi i-weld ibamba ngaphansi kwamazinga okushisa aphezulu kanye nengcindezi yesistimu yokukhipha umoya.
Ukushisa Ukuqala Ukuvimbela Ukushaqeka Okushisayo
Ukushisa kuqala i-exhaust eningikunciphisa ukushaqeka okushisayo, okungaholela ekuqhekekeni. Abashiseli ngokuvamile bafudumeza i-nifold izinga lokushisa elingu-400°F kuya ku-750°F. Ukuze kulungiswe okunzima kakhulu, kungase kwenyuse izinga lokushisa libe ngu-1200°F. Ithebula elingezansi ligqamisa ububanzi bokushisisa ngaphambilini obunconyiwe:
| Preheating Temperature Range | Incazelo |
|---|---|
| 200°C kuya ku-400°C (400°F kuya ku-750°F) | Kunconyelwe ukushisela ukuze kuncishiswe ukushaqeka okushisayo. |
| 500°F kuya ku-1200°F | Yehlisa ukucindezeleka okushisayo futhi ivimbele imifantu. |
UNingbo Werkwell, owasungulwa ngo-2015, uzakhele udumo ngekhwalithi ezingxenyeni zezimoto. Ulayini wabo womkhiqizo uhlanganisa izingxenye zokunquma zangaphakathi, izinsimbi, nokunye, konke kusekelwa ithimba le-QC elinekhono.
Amasu Wokushisela Ama-Iron Exhaust Manifolds amaningi
I-Preheated Welding Method
Indlela yokushisela eshisiwe iyinketho ethandwayo yokulungisa ama-multifold exhaust yensimbi. Ukushisa kuqala kunciphisa ukucindezeleka okushisayo futhi kuvimbela ukuqhekeka ngesikhathi senqubo yokushisela. Abashiseli bavamise ukushisa i-manifold ezingeni lokushisa eliphakathi kuka-500°F no-1200°F. Lokhu kushisa okuhamba kancane nokufanayo kuqinisekisa ngisho nokwanda okushisayo, okunciphisa ubungozi bokuphuka okubangelwa ingcindezi. Ngemva kokushisela, ukusonga inqwaba ngezinto zokuvikela kuyisiza ukuba iphole kancane kancane, kuphinde kunciphise amathuba okuqhekeka.
Le ndlela isebenza kahle ekudaleni ama-welds aqinile, aqinile. Iwusizo ikakhulukazi kuzingxenye ezifana ne-exhaust manifolds, ebekezelela amazinga okushisa aphezulu kanye nengcindezi eqhubekayo. UNingbo Werkwell, umkhiqizi okhethekile kwezobunjiniyela bemishini, uyakuqonda ukubaluleka kokuqina ezingxenyeni zezimoto. Ithimba labo le-QC elinolwazi liqinisekisa imikhiqizo yekhwalithi ephezulu, kusukela ekulingiseni ukufa kuya ku-chrome plating, okubenza babe igama elithenjwayo embonini.
I-Non-Preheated Welding Method
Indlela yokushisela engashisi ngaphambili yeqa isinyathelo sokushisa, ikwenze kusheshe kodwa kube yingozi. Ngaphandle kokushisa kwangaphambili, insimbi ekhonjiwe ingase ibe nokushaqeka okushisayo, okungaholela ekuqhekekeni okubangelwa ukucindezeleka. Le ndlela idinga ukulawula okunembile kwenqubo yokushisela ukuze kuncishiswe ukupholisa ngokushesha. Abashiseli bavamise ukusebenzisa amashisela amafushane, alawulwayo ukuze banciphise ukunqwabelana kokushisa futhi bagweme ukulimaza inqwaba.
Nakuba le ndlela yonga isikhathi, akuyona njalo inketho engcono kakhulu yokulungiswa okubucayi. Ezingxenyeni ezifana ne-cast iron exhaust eningi, lapho amandla nokuthembeka kubalulekile, ukushisela okushisiwe kuqala kuvame ukukhetha okuphephile.
Ukukhetha Okubalulekile Kwesigcwalisi Esingakwesokudla
Ukukhetha impahla yokugcwalisa efanele kubalulekile ukuze kube ne-weld ephumelelayo. Izinto zokugcwalisa ezisekelwe ku-nickel zinconywa kakhulu ngokuhambisana kwazo ne-cast iron. Bakha ama weld aqinile, amelana nokuqhekeka akwazi ukumelana nokwanda okushisayo kwezinhlobonhlobo. Ama-nickel rods, anokuqukethwe okuphezulu kwe-nickel, athuthukisa inqubo yokushisela futhi athuthukise ukubekezelela ingcindezi. I-nickel-iron alloy, efana ne-ENiFe-CI, enye inketho enhle kakhulu. Inikeza ukuhambisana nezakhiwo ezihlukile ze-cast iron, iqinisekisa ukulungiswa okuhlala isikhathi eside.
U-Ningbo Werkwell ubelokhu ehlinzeka ngezingxenye zezimoto nezixhumi kusukela ngo-2015. Ulayini wabo ophelele womkhiqizo wezingxenye zokunquma ingaphakathi lezimoto usekelwa ithimba le-QC elinolwazi, eliqinisekisa ikhwalithi kusukela ekulingiseni ukufa kuya ku-chrome plating. Lokhu kuzibophezela ekusebenzeni kahle kubenza babe ozakwethu abathembekile ekulungiseni izimoto.
Ezinye Izindlela: I-Brazing Yokulungisa I-Cast Iron
Isebenza kanjani i-Brazing
I-Brazing iyindlela ehlanganisa izingcezu zensimbi ngokuncibilikisa into yokugcwalisa ngaphandle kokuncibilikisa izinsimbi eziyisisekelo. Le ndlela incike esenzweni se-capillary ukuze igeleze isigcwalisi esihlanganyelwe, idale isibopho esiqinile. Ukuze kulungiswe insimbi ephonswe, izinto zokugcwalisa zivame ukuqukatha ithusi noma ithusi, elincibilika ekushiseni okuphansi kune-cast iron ngokwayo. Abashiseli abanekhono bashisisa ngokucophelela indawo ukuze baqinisekise ukuthi i-filler igeleza ngokulinganayo, yenza uxhumano oluthembekile. I-Brazing isebenza kahle ukulungisa imifantu noma ukuhlanganisa izinto ezingafani, njengensimbi yokusansimbi, ikwenze kube inketho eguquguqukayo yokulungisa okuthile.
UNingbo Werkwell, umkhiqizi okhethekile kwezobunjiniyela bemishini, uyakuqonda ukubaluleka kokunemba ekulungisweni kwezimoto. Kusukela ngo-2015, ithimba labo le-QC elinolwazi liye laqinisekisa imikhiqizo yekhwalithi ephezulu, kusukela ku-die casting kuya ku-chrome plating.
Izinzuzo kanye Nebubi be-Brazing
I-Brazing inikeza izinzuzo eziningana:
- Kuyindlela enokwethenjelwa yokulungisa imifantu ku-cast iron.
- Ihlanganisa ngempumelelo izinto ezingafani, njengensimbi nensimbi.
Nokho, i-brazing inemikhawulo. Njengoba ingancibiliki izinsimbi eziyisisekelo, ibhondi ingase ingabi namandla njengejoyinti elishiselwe. Nakuba ilungele ukulungiswa kahle, ayifaneleki kangako ukulungiswa kwesakhiwo esikhulu. I-Brazing nayo idinga ubuchwepheshe, njengoba indlela engafanele ingenza buthakathaka ukulungisa.
Nini Yokukhetha I-Brazing Over Welding
I-Brazing ilungele ukulungiswa okuncane noma lapho ujoyina izinsimbi ezahlukene. Kuwusizo ikakhulukazi lapho ukunciphisa ingozi yokuqhekeka kuyinto ehamba phambili. Kodwa-ke, ekulungiseni okubalulekile kwesakhiwo, ukushisela kuhlala kuyisinqumo esingcono ngenxa yayoamandla aphezulu. Abashiseli kufanele bahlole umonakalo futhi bakhethe indlela evumelana kangcono nezidingo zokulungisa.
Ukuzibophezela kuka-Ningbo Werkwell ngekhwalithi kuqinisekisa ukuthi izingxenye zezimoto zabo zihlangabezana nezindinganiso eziphakeme, okubenza babe igama elithenjwayo embonini.
Ukunakekelwa Kwangemva Kokushisela Kwezinqwaba Zokukhipha Insimbi Yensimbi
Ukupholisa Kancane Ukuze Ugweme Imifantu
Ngemuva kokushisela, ukupholisa kancane kubalulekile ukuvimbela imifantu ku-cast iron exhaust eningi. I-cast iron izwela kakhulu ekushintsheni kwezinga lokushisa, futhi ukupholisa ngokushesha kungabangela ukucindezelwa okushisayo, okuholela ekuqhekekeni noma ngisho nokungqubuzana. Ukuqinisekisa ukupholisa nokupholisa, abashiseli bavame ukugoqa inqwaba ngezinto zokuvikela njengezingubo zokushisela. Lezi zinto zisiza ukugcina ukushisa futhi zivumele inqwaba ukuthi iphole kancane kancane. Le nqubo ayivikeli kuphela i-weld kodwa futhi igcina ubuqotho besakhiwo sezinto eziningi.
UNingbo Werkwell, umkhiqizi okhethekile futhi othumela ngaphandle kwezobunjiniyela bemishini, uyakuqonda ukubaluleka kokuqina ezingxenyeni zezimoto. Ithimba labo le-QC elinolwazi liqinisekisa imikhiqizo yekhwalithi ephezulu, kusukela ekulingiseni kuya ku-chrome plating, ehlangabezana nezidingo zokusebenza kwezimoto zesimanje.
Ukuchama Ukuze Uqede Ingcindezi
Ukuchama kuyindlela elula kodwa esebenzayo yokukhulula ingcindezi ezindaweni ezishiselwe ze-manifold. Kubandakanya ukushaya ngobumnene indawo yokushisela ngesando se-ball peen ngenkathi okokusebenza kusafudumele. Lesi senzo sicindezela okokusebenza, siphinde sabalalise ingcindezi ngokulinganayo futhi sinciphise amathuba okuqhekeka njengoba kuphola ngokuphindaphindiwe. I-peening iphinde iqinise i-weld, iqinisekise ukuthi ukulungiswa kuhlala isikhathi eside. Kubashiseli abahlose ukulungiswa okuqinile, lesi sinyathelo siyimfuneko.
U-Werkwell usungule umugqa womkhiqizo ophelele wezingxenye zokusika zangaphakathi zezimoto ngo-2015. Ukuzibophezela kwabo kwikhwalithi, okusekelwe ithimba le-QC elinolwazi, kuqinisekisa ukuthi wonke umkhiqizo uhlangabezana nezindinganiso eziphakeme kakhulu.
Ukuhlola Amaphuzu Abuthakathaka
Uma inqwaba isipholile, ukuyihlolela amaphuzu abuthakathaka kubalulekile. Ukuhlola okubukwayo kungaveza imifantu noma ukuqina kwe-weld. Ukusebenzisa amathuluzi okukhulisa kusiza ukukhomba ukungapheleli okuncane okungenzeka kungabonakali ngeso lenyama. Ukuqinisekisa amandla amaningi, abashiseli bavame ukuyihlola ngaphansi kwengcindezi encane. Lesi sinyathelo siqinisekisa ukuthi ukulungiswa kungakwazi ukumelana namazinga okushisa aphezulu kanye nezingcindezi zesistimu yokukhipha umoya.
Ngokulandela leziizinyathelo zokunakekelwa kwe-post-welding, ama-welders angakwazi ukufeza ukulungiswa okuthembekile futhi okuhlala isikhathi eside kwanoma yikuphi ukuthuthwa kwe-iron cast iron exhaust eningi.
I-welding cast iron exhaust manifolds ngempumelelo idinga indlela ye-methodical. Izinyathelo ezibalulekile zifaka:
- Ukushisa kuqalai-multifold ukunciphisa ukucindezeleka okushisayo nokuvimbela ukuqhekeka.
- Ukuhlanzaindawo engaphezulu ukuze uthole i-weld eqinile.
- Beveling imifantunokusebenzisa izinduku ze-nickel ukuqinisekisa ukuqina.
- Ukupholisa kancaneukugwema ukwethula amaphuzu amasha okucindezeleka.
Ukubekezela nokunaka imininingwane kubalulekile. Ukuqina kwe-cast iron kudinga ukulungiswa ngokucophelela nokupholisa okulawulwayo ukuze kugcinwe ubuqotho be-weld. Ukuthatha isikhathi sokulandela lezi zinyathelo kuqinisekisa ukulungiswa okuhlala isikhathi eside.
UNingbo Werkwell, umholi kwezobunjiniyela bemishini kusukela ngo-2015, ugxile ezingxenyeni zezimoto nezinsimbi. Ithimba labo le-QC elinolwazi liqinisekisa ikhwalithi kusukela ekulingiseni ukufa kuya ku-chrome plating, okubenza babe igama elithenjwayo embonini.
Ukusebenzisa lawa macebiso kungasiza abashiseli bathole imiphumela ethembekile kuyilapho benweba impilo ye-exhaust manifolds.
FAQ
Yini eyenza i-welding cast iron exhaust ibe inselele kangaka?
Ukuqina kwe-iron nokuzwela ekushintsheni kwezinga lokushisa kuyenza ijwayele ukuqhekeka. Ukulungiselela kahle, njengokushisa nokuhlanza, kusiza ukunciphisa lezi zingozi.
Ingabe i-brazing ingangena esikhundleni sokushisela ukuze kulungiswe izinto eziningi?
I-Brazing isebenzela ukulungiswa okuncane noma ukuhlanganisa izinsimbi ezingafani. Kodwa-ke, i-welding inikeza izibopho eziqinile zokulungiswa kwesakhiwo. Khetha ngokusekelwe ezidingweni zokulungisa.
Kungani ukupholisa kancane kubalulekile ngemva kokushisela insimbi eyinsimbi?
Ukupholisa kancane kuvimbela ukucindezeleka okushisayo, okungabangela imifantu. Ukugoqa i-manifold ngezinto zokuvikela kuqinisekisa ukupholisa kancane kancane nokugcinaubuqotho besakhiwo.
Ithiphu: UNingbo Werkwell, umholi kwezobunjiniyela bemishini, uhlinzeka ngezingxenye zezimoto ezisezingeni eliphezulu. Ithimba labo le-QC liqinisekisa ukugqwesa emikhiqizweni efana nezinsimbi zokubopha kanye nezingxenye zokunquma zangaphakathi ezifakwe i-chrome.
Isikhathi sokuthumela: Mar-03-2025