Lokacin da kuka ji 'Inconel alloy sassa,' hoton nan da nan sau da yawa yana ɗaya daga cikin abubuwan da ba za a iya lalacewa ba don injunan jet ko na'urorin ruwa mai zurfi. Wannan ba daidai ba ne, amma sauƙaƙawa ne wanda ke haifar da babbar matsala ta farko a cikin wannan kasuwancin: kula da duk Inconels kamar su kawai 'karfe nickel mai tauri.' Na ga ayyuka da yawa sun yi tuntuɓe saboda wani ya ƙididdige 718 don aikace-aikacen da ya fi dacewa da 625, ko mafi muni, yayi ƙoƙarin yin injin kamar 304 bakin karfe. Shaidan, kamar ko da yaushe, yana cikin cikakkun bayanai - tarihin zafin jiki, buƙatun aiwatarwa, da ƙaƙƙarfan, taurin gaskiyar guntu a kayan aikin ku.
Kayayyakin Ba Takaddun Takaddun Takaddar Ba Ne Kawai
Yin aiki tare da waɗannan allunan, musamman don Inconel gami sassa ƙaddara don yanayin matsanancin damuwa, yana nufin fahimtar suna da ƙwaƙwalwar ajiya. Kaddarorin injinan da kuke samu suna daure kai tsaye zuwa sarkar tsari. Misali, tare da Inconel 718, jerin tauraruwar shekaru bayan injina ba za a iya sasantawa ba don cimma wannan sanannen ƙarfin samarwa. Tsallake ko kuskure wancan, kuma ɓangaren na iya wuce QA na farko amma ya gaza sosai a cikin filin ƙarƙashin hawan keke. Ba kayayyaki ba ne kawai ka yi oda don girman.
Wannan shi ne inda shekaru 30-plus na wani shagon kayyade da injin kamar Qingdao Qiangsenyuan Technology Co., Ltd. (QSY) a zahiri yana da mahimmanci. Ba game da samun damar da aka jera akan gidan yanar gizon ba; shi ne game da tara, kusan ilhama sanin yadda gawa hali daga narkakkar jihar a cikin su. zuba jari aiwatar ta hanyar zuwa wucewar CNC na ƙarshe. Ba za ku iya yin karya ba. Ayyukansu na dogon lokaci, wanda zaku iya gani dalla-dalla a https://www.tsingtaocnc.com, yana ba da shawarar cewa sun zagaya tsarin koyo na sarrafa rarrabuwar kawuna a cikin manyan simintin gyare-gyare na tushen nickel-wani ciwon kai na yau da kullun wanda ke juyar da kayan ƙima zuwa guntu.
Na tuna wani akwati don zoben hatimin injin turbine. Buga ya yi kira ga Inconel 738, as-cast and machined. Gudun farko daga wani mai siyarwa daban yana da wuraren taurin da bai dace ba, wanda ke haifar da rashin daidaituwa. Batun ya samo asali ne zuwa rashin daidaituwar yanayin sanyi a cikin kwandon kwandon. Gyaran ba kawai tweak na inji ba ne; yana buƙatar sake duba ƙirar gating da riser a cikin matakin simintin da kanta — cikakken ra'ayi wanda ke raba masu yin ɓangarorin daga na'urori masu sarrafa kayan.
Machining: Inda Ka'idar ta Haɗu da Kayan Aikin Karya
Wannan ita ce jarrabawar gaske. Kowane mutum na iya da'awar injin CNC don gami na musamman. Isar da shi cikin riba kuma daidai wani labari ne. Babban adadin ƙarfin aiki na gami kamar Inconel 625 yana nufin dabarun yanke ku shine komai. Haske, daidaitaccen zurfin yanke, ƙimar abinci mai ƙarfi don samun ƙarƙashin aikin da aka taurare, da tsayayyen hanyoyin kayan aiki bishara ce. Yi shakka, ko barin kayan aikin ya zauna, kuma yanzu kun ƙirƙiri wurin taurin gida wanda zai ci abin sa na gaba.
Coolant ba kawai don sanyaya a nan ba; don man shafawa ne da fitar da guntuwa. Babban matsi, mai sanyaya ta kayan aiki ya kusan zama wajibi don aikin rami mai zurfi. Mun koyi wannan hanya mai wuya akan tsari na nau'ikan rotors (blisks). Walda na guntu ya haifar da gazawar kayan aiki da bala'i a tsaka-tsakin zagayen injina na awoyi 40 akan ƙirƙira guda ɗaya. Kudin ba kawai kayan aiki ba ne; shi ne lokacin da aka rasa akan na'ura da haɗari ga kayan aikin da aka riga aka yi. Yanzu, saka idanu kan rayuwar kayan aiki da takamaiman yumbu ko maki carbide ana gasa su cikin tsarawa don kowane nickel tushen gami aiki.
A cikin waɗannan yanayin ne falsafar mashin ɗin abokin tarayya ke nunawa. Shagon da ya ɗauke shi a matsayin 'aiki na musamman' kuma ya daidaita daidaitattun sigogin su zai yi kokawa. Shago kamar QSY, tare da fiyayyen mayar da hankali a kai Injin CNC Daga cikin waɗannan abubuwa masu wahala, mai yiyuwa sun sadaukar da saitin injuna, dakunan karatu na ma'auni, kuma, mahimmanci, ƙwararrun ma'aikata waɗanda suka san sauti da jin yanke da ke tafiya daidai.
Gidauniyar Casting: Ba Duk 'Madaidaicin Casting' Ba Daidai bane
Yawancin sassa suna farawa azaman simintin gyare-gyare, kuma wannan shine babban cokali mai yatsa a hanya. Shell mold simintin gyaran kafa kuma zuba jari Dukansu suna cikin jerin QSY, kuma zaɓin yana tasiri sosai ga aikin ƙasa. Don hadaddun, sassan inconel mai sirara mai katanga tare da rikitattun wurare na ciki, simintin saka hannun jari shine sarki. Yana ba ku wannan fa'idar kusa-net-net, rage girman adadin wannan tsada, kayan injin mai wahala da kuke buƙatar cirewa.
Amma 'kusa-net-siffa' alkawari ne mai wuyar cikawa. Hakuri na girma akan ɓangaren simintin inconel na simintin simintin gyare-gyare yana tasiri da zafin ƙima, zub da zafin jiki, da tsarin ƙaƙƙarfan ƙaƙƙarfan gawa. Na ga wani tsari na jikin bawul inda kauri mai kauri kamar yadda aka jefa ya bambanta kawai isa don jefar da kayan aikin CNC mai sarrafa kansa, yana haifar da cikakken ranar sake yin aiki da sake tsarawa. Maganin ya kasance mafi tsananin sarrafa tsari akan ƙarshen gaba da ƙirƙira ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙa'idodin machining na farko don kafa ingantaccen datum.
Ingancin saman simintin gyare-gyare wani abu ne mai ɓoye. Ƙarƙashin ƙasa mai ƙananan porosity ko haɗawa ya zama wurin farawa don injin ku. Kuna iya yin shirin ba da izinin hannun jari na 0.5mm, amma idan 0.2mm na farko yana cike da tabo mai wuya daga iskar oxygenation, kayan aikin ku yana cikin tafiya mai wahala. Kyakkyawan tushe zai haɗa da tsari na ƙarshe kamar niƙa mai girgiza ko sarrafawa mai sarrafawa don gabatar da daidaito, sautin sauti zuwa shagon injin-mafi dacewa a ƙarƙashin rufin ɗaya don guje wa nuna yatsa.
Welding da Gyara: Muguwar Labura
Wani lokaci, duk da ƙoƙarce-ƙoƙarce, sashin yana buƙatar gyara bayan injin, ko kuma an ƙirƙira shi azaman walda. Welding Inconel ƙwararre ce ga kanta. Babban damuwa shine hana zafi mai zafi da kiyaye juriya na lalata a cikin yankin da zafi ya shafa (HAZ). Yana buƙatar yanayin tsaftataccen tsafta, ƙayyadaddun ƙarfe na filler (sau da yawa abun da ke ciki na gabaɗaya kamar 625 filler don tushe 718), da kulawa mai kyau na zafin jiki.
Darasi mai amfani: mun taɓa gyara mashin da aka yi amfani da shi a kan babban gida mai lamba 718. An gudanar da zafin zafin jiki na zafin jiki da tsaka-tsaki daidai, amma an yi gaggawar zagayowar maganin zafin bayan walda (PWHT). Sakamakon ya kasance ragowar damuwa wanda daga baya ya haifar da murdiya yayin wani aiki mai ban sha'awa na ƙarshe, ya kawar da sashin. Abin da aka ɗauka shine cewa hanyar walda, gami da PWHT, ba ƙari ba ne; wani muhimmin sashi ne na tsarin masana'anta kuma dole ne a tsara shi kuma a samar da shi daidai.
Wannan wani yanki ne inda haɗin kai tsaye yana taimakawa. Idan mahaɗin da ke yin simintin gyare-gyare da injina kuma yana da ƙwarewar injiniyan walda, za a iya daidaita tsarin gaba ɗaya daga zaɓin kayan aiki zuwa sauƙi na damuwa na ƙarshe. Yana hana matsalar 'over-the-bango' inda maganin wani sashi ya haifar da ciwon kai ga na gaba.
Ma'auni na Haƙiƙa: Daidaituwa a cikin girma
Yin samfur-kashe ɗaya Inconel gami sassa yana da kalubale. Yin hamsin ko ɗari waɗanda duk ke cikin ƙayyadaddun bayanai kuma suna aiki iri ɗaya shine ma'auni na gaskiya. Wannan shine inda takaddun tsari da tsarin sarrafawa ke biya. Yana da game da repeatability: guda yashi abun da ke ciki ga molds, iri thermal profile for zafi jiyya tanda, guda toolpath dabarun da sa ƙofa a kan CNC bene.
Ga kamfani kamar Qingdao Qiangsenyuan Technology Co., Ltd., shekarun da suka gabata na yin simintin gyare-gyare da na'ura na iya nufin sun gina waɗannan tsarin, sau da yawa ta hanyar gwaji da kuskure. Su website intro ambaci aiki tare da cobalt na tushen gami kuma nickel tushen gami, wanda ke gaya mani tabbas suna da tallafin ƙarfe da gwaje-gwajen gwaje-gwaje a cikin gida ko kuma haɗe-haɗe. Wannan yana da mahimmanci don takaddun shaida da ganowa, wanda ba za a iya sasantawa ba don aikace-aikacen sararin samaniya, makamashi, ko aikace-aikacen likita.
A ƙarshe, ɓangarorin Inconel masu nasara ba kawai game da samun injin niƙa 5-axis ko tanderun shigar da injin ba. Yana da game da tarawa, wani lokacin mai raɗaɗi, sanin yadda kayan ke motsawa, amsawa, da kasawa a kowane mataki daga ruwa zuwa abin da aka gama. Tattaunawa ce tsakanin ƙira, kimiyyar abin duniya, da aikin fage na kanti. Wannan shine ainihin abin da kuke nema a cikin mai kaya-ba jerin kayan aiki kawai ba, amma shaidar tattaunawar da aka yi nasara a kai ta faru, akai-akai, tsawon shekaru.
