Lokacin da injiniyoyi suka bayyana a kakin karfe simintin gyaran kafa factory don abubuwan da suka dace - musamman waɗanda aka fallasa ga matsananciyar matsa lamba, lalata, ko lalacewa - ba kawai siyan sashi bane. Suna tabbatar da kwanciyar hankali mai girma, daidaiton tsarin microstructural, da amincin aiki a cikin dubban lokutan aiki. Shi ya sa madaidaicin simintin saka hannun jari ba a fitar da shi da sauƙi ba. An ba da amana ne kawai inda horo na ƙarfe ya haɗu da sarrafa injina-kuma inda kowane ƙirar kakin zuma, zagayowar gasa harsashi, da jiyya mai zafi bayan simintin za'a iya ganowa, maimaituwa, kuma ingantacce.
Me yasa "Wax Metal Casting" Shin Har yanzu Matsayin Zinare don Sassan Ofishin Jakadancin-Mahimmanci
Simintin saka hannun jari-wanda aka fi sani da “simintin kakin zuma mai-ɓacewa”—ya kasance ba a yi daidai da hadadden geometries a cikin allunan cobalt-nickel, bakin karfe, da ƙarfe masu ƙarfi. Ba kamar simintin yashi ba, yana ba da ƙarancin ƙasa kamar yadda Ra 1.6 μm da juriya zuwa ± 0.05 mm akan mahimman fasali. Amma danyen iyawa yana nufin kadan ba tare da mallakar tsari ba. Mun ga ayyuka da yawa sun gaza - ba daga ƙira na ƙira ba, amma daga sarƙoƙi mai rarrabuwa: simintin simintin guda ɗaya, wani injin, na uku yana yin maganin zafi. Kowane handoff yana yin haɗari da rashin daidaituwa a cikin haɓakar haɓakar zafi, raguwar damuwa, ko fassarar GD&T.
Ƙaƙƙarfan ƙugiya na ainihi ba kayan aiki ba ne - haɗin kai ne. A gaskiya kakin karfe simintin gyaran kafa factory dole ne ya mallaki cikakken madauki: kayan aiki na kakin zuma, ƙirar harsashi yumbu, narkewar gami da zub da sarrafawa, injin CNC na sifofi na kusa-net, da dubawa na ƙarshe mara lalacewa. Idan ba tare da wannan kulawar tsaye ba, ko da AMS 5387 cobalt alloy sassa na iya fama da rarrabuwar kawuna ko bambancin taurin gida - gazawar da ba a iya gani har sai hidimar fage.
Ƙarfin Ƙarfi guda huɗu waɗanda ba sa sasantawa dole ne ka tabbatar
Kafin sanya hannu kan NDA ko raba zanen gidaje na famfo, yi waɗannan tambayoyin-kuma ku nemi shaida:
- Shin suna jefa AND inji kashi ɗaya? Idan ba haka ba, nemi cikakkun bayanan gano abubuwan da ke haɗa ID ɗin jefa kuri'a zuwa mashin saitin saiti da rahotannin CMM.
- Za su iya inganta microstructure ta ASTM E112 ko E384? Girman hatsi, watsawar carbide, da abun ciki na delta ferrite kai tsaye yana tasiri rayuwar gajiyawa a jikin bawul ɗin ruwa.
- Menene ka'idar tabbatar da kayan su mai shigowa? Tabbatattun rahotannin gwajin niƙa kaɗai ba su isa ba. Shaguna masu daraja suna yin OES (Optical emission spectroscopy) akan kowane cajin narke-kuma suna riƙe samfuran har tsawon shekaru 10+.
- Ta yaya suke sarrafa abubuwan da ake amfani da su na cobalt-grade T800? Waɗannan kayan suna aiki da ƙarfi da ƙarfi. Shagunan da suka yi nasara suna amfani da injina mai tsattsauran ra'ayi 5-axis tare da isar da saƙon sanyaya-ba daidaitaccen tsarin ambaliyar ruwa ba.
Mun gwada sama da masu samar da kayayyaki 17 suna da'awar "ƙwarewar cobalt gami." Uku ne kawai suka wuce ingantaccen aikin mu: hawan keke na tsawon awa 200 a mashaya 450, sannan binciken ultrasonic don fashewar ƙasa. Biyu sun yi kasa a kan murdiya mai zafi yayin aikin injin ƙarshe. Ɗayan ya wuce-amma ya kasa yin kwafin sakamako a cikin batches uku a jere saboda rashin daidaituwar yanayin bushewar harsashi.
Inda Madaidaicin Simintin Ɗaukaka Ya Gano Buƙatun Duniya na Gaskiya
Duba fiye da ƙayyadaddun bayanai. Aiki na gaske yana fitowa ƙarƙashin kaya. Misali: Gidajen fistan famfo na silinda suna buƙatar ƙarar zagaye ≤0.015 mm *bayan* damuwa da magance zafi-ba kawai simintin gyare-gyare ba. Injiniya abin hawa winch cibiyar shaft rollers suna buƙatar taurin saman 58 – 62 HRC * tare da * ƙaramin ƙarar zurfin 1.2 mm — wanda aka samu ta hanyar carburizing *bayan* injin, ba a da ba. Kuma AMS 5387 nozzles? Haƙurin juzu'i na makogwaronsu shine ± 0.025 mm-ba don zane-zane ya faɗi haka ba, amma saboda rarrabuwar ƙayyadaddun ƙayyadaddun ƙayyadaddun yanayin> ± 1.8% yana haifar da yashwar cavitation a ƙarƙashin sa'o'in aiki 800.
Sakamakon farashin hannun jari na QINGDAO QIANGSENYUAN TECHNOLOGY CO., LTD. yana tsara tsarin tafiyar da aikin sa a kusa da sakamakon aiki-ba aikin sashe ba. Kowane filogi na cobalt yana farawa da bokan T800 billet, yana jurewa injin induction narkewa tare da shrouding argon, yana ƙarfafawa cikin ƙirar ƙima, sannan yana motsawa — ba tare da bayyanar muhalli ba — zuwa tantanin halitta CNC mai daidaita yanayin yanayi. Babu madaukai na sake yin aiki. Babu motsi mai girma. Kawai an rubuta maimaitawa.
Zaɓin Abokin Hulɗar ku Ba Game da Geography ba — Yana Game da Mulki
A kakin karfe simintin gyaran kafa factory a Qingdao yana ba da inganci iri ɗaya ga ɗaya a Ohio-idan tsarin ingancinsa ya aiwatar da wannan tsauri. Takaddun shaida na ISO 9001 shine tushen tebur. Abin da ke da mahimmanci shine yadda suke amfani da shi: Shin wuraren bincike sun yi daidai da FMEA ɗin ku? Shin shirye-shiryen CMM an rubuta su a cikin Calypso ko PC-DMIS-kuma an inganta su akan manyan kayan tarihi da ake iya ganowa ga NIST? Shin za su iya jigilar takaddun matakin PPAP a cikin kwanakin kasuwanci biyar na amincewa da labarin farko?
Abokan ciniki na duniya-daga famfo OEMs na Jamus zuwa masu ba da sabis na filayen mai na Arewacin Amurka-zaɓi abokan hulɗa waɗanda ke ɗaukar bita na injiniya azaman haɓakawa. Ba "A nan ne maganar ku ba," amma "GD&T ɗinku yana kira ga MMC akan wannan datum; ga yadda za mu riƙe shi yayin ƙirar kayan aiki - kuma ga haɗarin idan ba mu yi ba." Wannan matakin bayyana gaskiya yana yanke lokacin samarwa da kashi 30% akan matsakaici. Hakanan yana hana sake fasalin ƙima mai tsada bayan gazawar labarin farko.
Neman gaba, gaba na gaba ba manyan injuna bane ko hawan keken sauri. Matakan tsari ne masu haɗaka: jefa sifofi na kusa-talla tare da haɗaɗɗun tashoshi masu sanyaya, sannan gama rufe saman kawai tare da injiniyoyin lantarki. Ingantacciyar tagwayen dijital ce ta samfuran murdiyawar zafi kafin zubo harsashi na farko. Yana tabbatar da kowane ɓangaren T800 zuwa ASME BPVC Sashe na VIII, Div. 2- ba don matsi kawai ba, amma don tsinkayar gajiyar rayuwa.
Idan aikace-aikacenku yana buƙatar gefen sifili don kuskure - kuma abubuwan haɗin ku suna aiki inda gazawar ba zaɓi ba ne - to naku kakin karfe simintin gyaran kafa factory dole ne a auna ta cikin sakamako, ba fitarwa ba. Ba tan nawa suke jefawa a wata ba. Miliyoyin nawa ne ke zagayowar matsa lamba sassansu suka tsira. Filaye nawa ne suka dawo cikin shekaru biyar. Abokan ciniki nawa ne suka tsawaita kwangiloli-ba sau ɗaya ba, amma sau uku.
