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Bayanin Sirri: Sirrinka yana da matukar mahimmanci a gare mu. Kamfaninmu yayi alkawarin kar a bayyana keɓaɓɓun bayananku ga kowane fallasa tare da izini na bayyananne.
A cikin madaidaicin simintin saka hannun jari, inganci ba aikin dubawa ba ne na ƙarshe - horo ne da ke cikin kowane mataki na tsarin masana'antu. Simintin gyare-gyare guda ɗaya na iya wucewa ta hanyar ayyuka daban-daban 30+, daga allurar kakin zuma zuwa marufi na ƙarshe, kuma lahani da aka gabatar a kowane mataki na iya lalata amincin ɓangaren da aka gama. Don masana'antu inda gazawar simintin simintin ba zaɓi ba ne - mota, mai & iskar gas, sararin samaniya, ma'adinai - cikakkiyar kulawar inganci shine bambanci tsakanin ingantaccen mai siyarwa da abin alhaki.
A Ningbo Ruican, IATF 16949-certified quality management system yana gudanar da kowane lokaci na tsarin simintin saka hannun jari. Wannan labarin yana ba da duban ciki na yadda ake sarrafa inganci daga ƙirar kakin zuma zuwa dubawa ta ƙarshe, kuma dalilin da yasa tsarin da aka haɗa da tsari yana ba da kyakkyawan sakamako idan aka kwatanta da binciken ƙarshen layi kaɗai.
Tsarin kakin zuma shine samfuri na geometric don yin simintin ƙarshe. Duk wani kuskuren girma ko lahani a cikin kakin zuma za a sake maimaita shi - sau da yawa yana ƙara girma - a cikin simintin ƙarfe. Gudanar da ingancin mu a wannan matakin ya haɗa da:
Binciken Girma : Ana duba ƙirar kakin zuma ta amfani da CMM (Ma'aunin Ma'auni) a kan ƙirar CAD, tare da ma'auni masu mahimmanci da aka tabbatar da su zuwa ± 0.05mm. Ana yin duban labarin farko (FAI) akan kowane sabon tsari, tare da yin samfur na lokaci-lokaci yayin ayyukan samarwa.
Ingancin saman : Duban gani a ƙarƙashin bincikar haɓaka don layukan gudana, alamomin nutsewa, tarkon iska, da walƙiya - lahani waɗanda za su canza zuwa saman simintin. Ana yin watsi da ƙirar da ke nuna duk wani abu mara kyau a saman kafin taron bishiyar.
Kula da Zazzabin Kakin Kaki : Ana ci gaba da lura da yanayin zafin allura da yin rikodin. Bambance-bambancen yanayin zafi ƙanƙanta kamar 2°C na iya haifar da juzu'i na 0.1mm, yana yin kwanciyar hankali mai mahimmanci don daidaiton tsari-zuwa-tsari.
Ma'ajiyar Ƙa'idar : Ana adana ƙirar kakin zuma a cikin dakunan da ke sarrafa yanayi a 20± 2°C da 50±5% zafi dangi don hana ɗimbin ɗimbin yawa da ke haifar da haɓakar zafi ko ɗaukar danshi.
Harsashin yumbu shine gyaggyarawa wanda zai ƙunshi narkakkar ƙarfe a yanayin zafi har zuwa 1,600°C. Ingancin harsashi kai tsaye yana shafar kammala simintin simintin gyare-gyare, daidaiton girma, da 'yanci daga lahani.
Kula da Kauri Shell : Kowane Layer na harsashi (yawanci 5-9 yadudduka) ana amfani da shi tare da sarrafa danko da lokacin bushewa. Harsashi kauri ana auna ultrasonically a ƙaddara maki don tabbatar da uniformity. Rashin isasshen kauri yana haifar da fashewar harsashi yayin zubarwa; wuce kima kauri yana rage ƙarfi kuma yana iya haifar da lahani.
Gudanar Lokacin bushewa : Kowane Layer dole ne ya bushe gaba ɗaya kafin a shafa na gaba. Tsarin kula da muhallinmu yana kula da zafin jiki, zafi, da kwararar iska a ingantattun wuraren saiti, tare da tabbatar da lokacin bushewa ta hanyar ma'aunin daidaita nauyi - ana ɗaukar Layer bushe lokacin da nauyinsa ya canza sama da mintuna 30 bai wuce 0.1%.
Gwajin Permeability Shell : An yi samfurin harsashi da aka kammala don gwajin dawwama don tabbatar da isassun iskar gas yayin zubarwa. Ƙarƙashin ƙyalli yana haifar da porosity na iskar gas a cikin simintin gyare-gyare, yayin da wuce gona da iri yana haɗarin shigar ƙarfe.
Ingancin narkakkar karfe yana ƙayyade kaddarorin inji, sauti, da juriyar lalata. Gudanar da ingancin ƙarfe ɗin mu a wannan matakin yana cikin mafi tsauri a cikin masana'antar.
Spectrometer Analysis : Kowane zafi na karfe ana yin nazari ta hanyar amfani da na'ura mai ba da hanya tsakanin hanyoyin sadarwa (OES) kafin zuba. An tabbatar da abun da ke tattare da kemikal akan iyakokin ƙayyadaddun bayanai don duk manyan abubuwa da abubuwan ganowa. Zafin da ya gaza buƙatun abun ciki ana sake yin magani ko ƙi - babu keɓantacce.
Narke Zazzabi Sarrafa : Kulawa na pyrometric yana tabbatar da yawan zafin jiki na cikin ± 5°C na kewayon da aka ƙayyade. Don baƙin ƙarfe ductile (makin QT), wannan yana da mahimmanci saboda zafin jiki yana rinjayar tasirin nodularization da samuwar carbide.
Degassing da Cire Cire : Don alloy na aluminum, rotary degassing tare da iskar gas (argon ko nitrogen) yana rage abun ciki na hydrogen zuwa ƙasa 0.1 mL / 100g, yana hana porosity gas. Ana sanya matatun kumfa yumbu (10-20 PPI) a cikin tsarin gating don kama abubuwan da ba na ƙarfe ba.
Tabbatar da Nodularization : Don baƙin ƙarfe ductile, ana tabbatar da tsarin maganin magnesium ta hanyar bincike na thermal (sanyi mai sanyi) da kuma nazarin microstructure na takardun shaida da aka zuba daga kowane zafi.
Kula da Zafin Jiyya : Ana yin rikodin kowane zagayowar maganin zafi ta amfani da masu tattara bayanai tare da nau'in thermocouples na K da aka sanya a cikin nauyin tanderu. An tabbatar da daidaituwar yanayin zafi a cikin ± 5°C a fadin kaya a cikin kwata ta hanyar TUS (Tsarin Uniformity Survey) ta kowane buƙatun AMS 2750.
Gwajin taurin : Rockwell ko Brinell taurin ana gwada shi akan kowane zafi mai yawa, tare da rubuta sakamako akan lambobi masu zafi don cikakken ganowa. Ƙimar taurin kai a waje da ƙayyadaddun ƙayyadaddun bayanai suna haifar da bita na sigogin maganin zafi.
CNC Machining Inspection : Ana tabbatar da ma'aunin injin ta amfani da CMM, ma'aunin ƙira, da micrometers. Ƙididdigar Tsarin Ƙididdiga (SPC) tana bin matakai masu mahimmanci a cikin ainihin-lokaci, tare da iyakokin sarrafawa da aka saita a ± 3 sigma. Ana kiyaye fihirisar iya aiki (Cpk) a ≥ 1.33 don duk ma'auni masu mahimmanci zuwa inganci (CTQ).
NDT shine kariya ta ƙarshe daga lahani waɗanda zasu iya haifar da gazawar filin. Shirin mu na NDT an keɓance shi da aikace-aikacen kowane samfur da buƙatun abokin ciniki:
Gwajin Magnetic Particle (MT) : Ana amfani da kayan ferromagnetic (karfe, ductile iron) don gano fashe-fashe da fashe-fashe na kusa, cinya, da kabu. Hanyoyin ASTM E709 tare da ɓangarorin magnetic fluorescent don haɓaka hankali.
Gwajin Penetrant Liquid (PT) : Ana amfani da shi don kayan da ba na ferromagnetic ba (bakin ƙarfe, aluminum) don gano lahani. Fluorescent mai shiga tare da Nau'in I, Hanyar D ta ASTM E1417.
Gwajin rediyo (RT) : Binciken X-ray don lahani na ciki (porosity, shrinkage, inclusions) ta ASTM E1030. Aiwatar da ma'auni mai mahimmanci na aminci da tushen samfurin don daidaitattun samfuran.
Gwajin Ultrasonic (UT) : Ana amfani dashi don manyan simintin simintin gyare-gyare don gano katsewar ciki. Hanyar ASTM E2375 tare da madaidaiciyar katako da dabarun kwana-kwana.
Gwajin Leak na Helium : Don abubuwan da ke ɗauke da matsi (jikin bawul, gidaje na gearbox), gwajin leak ɗin leak ɗin helium yana tabbatar da amincin hermetic zuwa matakan karɓa mai ƙarfi kamar 1 × 10⁻⁶ mbar · L/s.
Bayan binciken mutum ɗaya, takaddun shaida na IATF 16949 yana buƙatar tsarin tsari na gudanarwa mai inganci wanda ya haɗa da:
Babban darasi mafi mahimmanci a cikin saka hannun jarin sarrafa ingancin simintin shine cewa ba za a iya bincika inganci cikin samfur ba - dole ne a gina shi a kowane mataki. A lokacin da simintin gyare-gyaren ya kai NDT na ƙarshe, an riga an ƙaddara sakamakon ta hanyar yanke shawara da aka yanke yayin ƙirar ƙira, shirya harsashi, narkewa, zubarwa, da injina.
A Ningbo Ruican, tsarin tsarin mu mai inganci - wanda ke goyan bayan takaddun shaida na IATF 16949 da 17 + shekaru na gogewa - yana ba da abubuwan simintin gyare-gyare waɗanda suka dace da buƙatun masana'antu masu buƙata. Daga tsarin kakin zuma na farko zuwa gwajin ɗigo na ƙarshe, kowane mataki ana sarrafa shi, an rubuta shi, kuma ana ci gaba da inganta shi.
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Bayanin Sirri: Sirrinka yana da matukar mahimmanci a gare mu. Kamfaninmu yayi alkawarin kar a bayyana keɓaɓɓun bayananku ga kowane fallasa tare da izini na bayyananne.
Cika ƙarin bayani don hakan na iya shiga tare da ku cikin sauri
Bayanin Sirri: Sirrinka yana da matukar mahimmanci a gare mu. Kamfaninmu yayi alkawarin kar a bayyana keɓaɓɓun bayananku ga kowane fallasa tare da izini na bayyananne.