Lokacin da injiniyoyi suka bayyana a matakin masana'anta, Ba wai kawai suna yin odar karfe ba - suna yin fare tsarin lokacin lokaci, amincin matsa lamba, da rayuwar sabis akan kwanciyar hankali mai girma a ƙarƙashin hawan keken thermal da abrasive load. Mun ga ayyuka da yawa sun tsaya tsayin daka saboda “misali” bangaren matakin ya lalace bayan awanni 200 na aikin ruwa-ko gazawar gwajin ɗigogi saboda ƙananan porosity a cikin ginin simintin. Shi ya sa madaidaicin ba kalmar talla ba ce a nan. Yana da bambanci tsakanin gidan famfo da ke riƙe da 4,500 psi a 120 ° C ko fashe yayin ƙaddamarwa.
Me yasa Zaɓin Kayan Abu Ya Nuna Ayyukan Ƙaƙƙarfan Ayyuka-Ba Mashina Kawai ba
Yawancin abubuwan da aka gyara suna aiki azaman ginshiƙan tsarin don jujjuya taro: winch center shaft rollers, gidaje silinda, tushen famfo. Ayyukan su shine kiyaye jeri yayin ɗaukar girgiza, tarkace, da damuwa na cyclic. Amma idan kayan tushe ba su da kwanciyar hankali na zafi ko daidaiton hatsi, ko da cikakkiyar yarda da GD&T ba za ta hana faɗuwa ba. Wannan shine inda allunan cobalt-nickel kamar AMS 5387 da T800 ke canza wasan.
Mun gwada bambance-bambancen gami guda 12 a cikin turawa na zahiri guda 37. AMS 5387 yana ba da daidaiton tauri (38-42 HRC) bayan warwarewar bayani - kuma mahimmanci, yana riƙe> 92% na wannan taurin bayan awanni 1,000 a 650°C. T800 yana ƙara tarwatsawar chromium carbide don juriya a cikin yashi mai ɗorewa da aikace-aikacen gas. A cikin daya aikin Tekun Arewa, T800 nozzles ya wuce takwarorinsa na Inconel 718 da 3.2 × a gwajin yazawar slurry. Kama? Wadannan allunan suna buƙatar kayan aiki na musamman, shigarwar zafi mai sarrafawa, da taimako na damuwa bayan machining. Ba kowane shago ba zai iya riƙe ± 0.015 mm akan filogin cobalt mai tsayin 320mm ba tare da murdiya ba. Kadan har yanzu suna inganta microstructure ta hanyar nazarin girman hatsi na ASTM E112 a kowane tsari.
Haɗin Kai tsaye Yana Warware Matsala ta “Baƙar Akwatin” a cikin Kera Leveler
Wasu masu siye suna samo simintin simintin gyare-gyare daga Foundry A, injina su a Shagon B, kuma suna gamawa a Coating C. Kowane handoff yana haɗarin rashin daidaituwa, maganin zafi mara izini, ko rigar ƙasa mara daidaituwa. Muna gudanar da simintin gyare-gyare, CNC, da kuma kammalawa a ƙarƙashin rufin da ya dace da ISO-saboda matakan matakan kasa sau da yawa a musaya, ba cibiyoyi ba.
Tsarin mu yana farawa da ƙwararriyar gano albarkatun ƙasa: kowane cobalt ingot yana ɗaukar rahoton gwajin niƙa wanda ya dace da lambar zafi zuwa ID na ƙarshe. Yin simintin saka hannun jari yana ɗaukar hadaddun kwandon shara na ciki; Yashi simintin gina tsattsauran ra'ayi zuwa manyan famfo tushe. Sa'an nan Multi-axis machining yanke fasali kamar concentric bores, radial sanyaya ramummuka, da latsa-fit kafadu - duk tabbatar tsakiyar tsari ta amfani da Zeiss CMMs calibrated zuwa ISO 10360-2. Babu "dubawar ƙarshe kawai." Babu zato. Idan gidan famfo na piston ya nuna karkacewar 0.008 mm a fuskar flange bayan yin taurin kai, muna sake gano ƙarfin daɗaɗɗen kayan aiki da lalacewa - ba jira har sai QC na ƙarshe.
Wannan haɗin kai kuma yana ba da damar mafita ga matasan. Ɗaya daga cikin abokin ciniki na Kudu maso Gabashin Asiya yana buƙatar faranti mai jure lalata tare da haɗaɗɗen saƙon hawa da tashoshi masu ruwa. Maimakon walda sassa daban-daban, mun jefa tushe a cikin ductile baƙin ƙarfe (ASTM A), sannan CNC-machined sealing saman da kuma kwarara hanyoyi a cikin saitin daya - kawar da 4 weld gidajen abinci, 7 NDT cak, da 3 makonni na gubar lokaci.
Amintaccen Isarwa na Gaskiya yana farawa Tun da daɗewa kafin Alamar jigilar kaya
"Isar da kan lokaci" ba yana nufin komai ba idan jigilar kaya ta farko ta zo tare da juzu'i 15% saboda rashin iya ganowa ko taurin da bai dace ba. Muna aiwatar da wuraren bincike guda uku waɗanda ba za a iya sasantawa ba: tabbatar da abu mai shigowa (spectrometry + samfurin tensile), in-girma da binciken ƙarfe (kowane sashi na 25), da cikakken ingantaccen aiki-gwajin matsa lamba har zuwa 6,000 psi, daidaitawa mai ƙarfi don abubuwa masu juyawa, da bayyanar fesa gishiri don ƙare bakin karfe.
Don odar samfuri, ƙungiyar injiniyoyinmu tana gudanar da bita na ƙirƙira a cikin sa'o'i 48 - ba wai kawai duba haƙuri ba, amma yana nuna rikice-rikice na GD&T waɗanda ke haifar da tsangwama ko rashin fahimta. Mun taɓa ɗaukar haƙurin matsayi na ± 0.005 mm akan rami makaho wanda ke buƙatar samun damar bincike ba zai yiwu ba. Sake fasalin tsarin datum ya ceci abokin ciniki $24,000 a cikin kayan aikin da aka soke da makonni 11 na jinkiri.
Abokan ciniki na duniya-daga OEMs a Jamus zuwa masu samar da Tier-1 a Texas- sun dogara da wannan horo. Rage aikin mu yana bin WIP ta rafi mai ƙima, ba sashe ba. Idan ɓangaren cobalt alloy leveler ya sami ƙugiya a maganin zafi, sarrafawar samarwa yana daidaita tsarin mashin ɗin * kafin * sifofin baya-ba bayan haka ba.
Sashe na Leveler Factory yana nufin Haɗin gwiwar Injiniya, Ba kawai Ƙirƙira ba
A gaskiya matakin masana'anta baya tsayawa a akwatunan jigilar kaya. Yana tsammanin yanayin gazawa: rashin daidaituwar haɓakar thermal tsakanin gidaje na ƙarfe da wurin zama na cobalt, fretting lalacewa a musaya-shaft, galling yayin jujjuyawar taro. Shi ya sa goyon bayanmu ya haɗa da ingantaccen zane, jagorar sauya kayan aiki (misali, lokacin da AMS 5387 ke ba da ƙarfi), da kuma binciken tushen tushen haɗin gwiwa lokacin da gazawar filin ta faru.
Idan muka duba gaba, muna zurfafa R&D a cikin tsarin simintin gyare-gyaren-machining-musamman, simintin saka hannun jari na kusa-kusa da kayan haɗin cobalt tare da saman injina wanda aka riƙe zuwa Ra 0.4 µm. Fadada takaddun shaida ya haɗa da AS9100 don masu daidaita sararin samaniya da API Q1 don aikace-aikacen teku.
Idan kayan aikin matakin ku dole ne su tsira daga matsananciyar matsa lamba, sawa mai girma, aikin zafi mai girma-kuma kuna buƙatar rashin fahimta akan ƙa'idar abu, maimaita juzu'i, ko tabbataccen isarwa - to zurfin fasaha, kulawa ta tsaye, da takaddun tsarin horo ba na zaɓi bane. Su ne tushen tushe. Wannan shine ma'aunin da aka gina a kowane bangare daga Qingdao Qiangsenyuan Technology Co., Ltd.
