Lokacin da injiniyoyi suka ƙididdige simintin nauyi don sassa na ƙarfe masu inganci-musamman a cikin tsarin injin ruwa, bawul ɗin mai & iskar gas, ko gidajen famfo mai nauyi-ba kawai zaɓin tsari bane. Suna zaɓar abokin haɗin gwiwa wanda ke sarrafa daidaiton ƙarfe, maimaita juzu'i, da amincin aiki daga ɗanyen gami zuwa gamayya. Shi ya sa ƙungiyoyin sayayya na duniya ke ƙara juyowa zuwa ƙwararru masana'anta simintin nauyi ayyuka-ba tushen tushen gabaɗaya ba-tare da damar haɗin kai tsaye, daftarin ganowa, da ingantacciyar gogewa a cikin superalloys kamar AMS 5387 da T800.
Me yasa Har yanzu Simintin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarfafa Ƙwararrun Ƙwararrun Masana'antu
Fitar da nauyi ba ta daɗe ba. An zaɓi shi da gangan lokacin da kuke buƙatar simintin gyare-gyare mai ƙarancin ƙarfi tare da madaidaicin sarrafa kadarorin inji-musamman ga sassan da ke fuskantar nauyin hawan keke ko lalacewa. Ba kamar simintin ɗimbin matsi mai ƙarfi ba, narkakkar ƙarfe mai nauyin nauyi yana shiga cikin ƙirar a hankali, yana rage tashin hankali da kama gas. Sakamakon? Ƙarfin juriya mafi girma, mafi kyawun juriyar gajiya, da ingantaccen machinability bayan simintin simintin gyare-gyare-mahimmanci ga abubuwan da aka haɗa kamar gidaje na silinda famfo piston ko jikin bawul ɗin matsa lamba inda ƙananan ƙarancin ko ɓoyayyen ciki na iya haifar da gazawar filin.
Mun ga abokan ciniki sun canza daga madadin simintin saka hannun jari bayan maimaita fashewa a cikin nozzles na cobalt-nickel da ke aiki sama da 450°C. Yin simintin nauyi ya isar da daidaiton tsarin hatsin da ake buƙata-kuma mahimmanci, an ba da damar daidaitattun jeri na masu tashi da masu ciyarwa don tabbatar da ƙarfafawar jagora. Wannan matakin sarrafa tsari baya faruwa da haɗari. Yana buƙatar zurfin zurfin fahimtar ƙarfe, shekarun da suka gabata na madaukai-zuwa-ɓangare na amsa, da kuma sa ido kan yanayin zafi na ISO a kowane zube.
Ƙarfin Ƙarfi Hudu Marasa Tattaunawa a cikin Masana'antar Simintin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarfafa Ƙwararru
Mai iyawa masana'anta simintin nauyi dole ne isar da fiye da kawai zuba karfe. Ga abin da ke raba abokan hulɗa da ke shirye-shiryen samarwa daga masu samar da ciniki:
- Ƙwarewar kayan aiki fiye da daidaitattun maki: Ba duk abubuwan da ake kira cobalt ba ne ke da hali iri ɗaya. AMS 5387 yana amsa daban-daban ga ƙimar sanyaya fiye da bambance-bambancen tushen T800. Kwararre na gaskiya yana kula da haɗin gwiwar fasaha tare da ƙwararrun masu samar da kayan - kuma yana tabbatar da kowane zafi mai yawa akan ASTM E112 (girman hatsi), ASTM E353 (binciken sinadarai), da ƙayyadaddun lanƙwan ƙima na abokin ciniki.
- Kwanciyar kwanciyar hankali a cikin tsarin tsarin matasanMafi yawan manyan ayyuka na simintin nauyi suna buƙatar injin CNC daga baya. Idan gidan simintin bai mallaki cibiyar sarrafa injinsa ba-ko kuma ya rasa GD&T masu iya CMMs akan rukunin yanar gizon-haɗarin tara tarin juriya yana ƙaruwa. Mun auna har zuwa ± 0.12 mm karkata a cikin mahimmin jeri yayin da aka raba simintin gyare-gyare da injina a tsakanin dillalai.
- Cikakkun abubuwan ganowa har zuwa guntun narkewa: Domin mai & gas ko na'ura mai aiki da karfin ruwa OEMs, "traceable" na nufin sanin ko wane irin cajin tanderun da aka samar wanda simintin gyare-gyaren zafi, da kuma wanda ma'aikacin ya sanya hannu kan binciken ƙarshe. Babu rajistan ayyukan takarda. Babu zato-lamba.
- Ingancin aiki-ba yarda da ƙima kawai baMatsakaicin matsi na bawul na iya wucewa cak na CMM amma har yanzu yana zube ƙarƙashin mashaya 350. Manyan masana'antu suna gudanar da gwajin hydrostatic, duba mai shiga tsakani a kowane ASTM E165, har ma da tabbatar da kwarara-hanyar samfuri kafin fitar da labarin farko.
Abin da Ayyukan Duniya na Gaskiya ke Bayyana Game da Balagawar Tsari
Yi la'akari da odar kwanan nan don abin hawa injiniyoyi a kan winch center shaft rollers. Sashin yana buƙatar taurin 42 HRC, ƙarewar saman ≤Ra 0.8 µm akan mujallu masu ɗaukar nauyi, da ƙarancin ƙarancin ciki a cikin 5 mm na wurin zama. Wani mahimmin tushe ya nakalto makwanni 12 kuma ya ƙi alhakin bambance-bambancen microstructure. Maganin ya fito ne daga wurin da aka yi simintin yashi *da* magani mai zafi a cikin gida, an yi amfani da sigar gani da ido akan kowane zubewar ladle, da ingantattun bayanan tauri tare da taswirar yanki na Rockwell B/C. Amincewa da labarin farko ya ɗauki kwanaki 8-ba watanni ba.
Wani shari'ar kuma ya haɗa da matosai na cobalt don majalissar famfo na cikin teku. Geometry ya haɗa da sassan sirara mai bango (2.3 mm na ƙima) da radi na ciki ƙanana kamar R0.5 mm. Daidaitaccen ƙirar ƙofa ya haifar da daskarewa da sanyin sanyi. Mai samarwa mai nasara ya sake fasalin tsarin mai gudu ta amfani da software mai ƙarfi na kwaikwaiyo-kuma ya tabbatar da ƙirar tare da ma'aunin zafin jiki mai taswirar thermocouple yayin zubar gwaji. Irin wannan maimaitawa yana aiki ne kawai lokacin da injiniyoyin simintin gyare-gyare suna zaune tare da masanan ƙarfe da masu shirye-shiryen CNC kowace rana.
Zabar Abokin Hulɗarku: Bayan Rubutu da Takaddun shaida
Takaddun shaida suna da mahimmanci-amma abubuwan tsabta ne, ba bambance-bambance ba. ISO 9001 shine tushen tebur. Abin da ke motsa allurar shaida ce ta takamaiman yanki na warware matsalar: Shin suna buga nazarin shari'ar kan haɓakar simintin gyare-gyare na hydraulic bawul? Za su iya raba bayanan hoto na thermal daga 10 AMS 5387 na ƙarshe? Shin rahotannin su na QC sun haɗa da hotuna na ƙayyadaddun tsari-ba kawai lambobi masu wuya ba?
Har ila yau duba don tutocin ja: "Ɗaya-daidai-duk" ƙirar gating, rashin iya riƙe ± 0.05 mm akan simintin simintin gyare-gyare, ko dogara ga masu maganin zafi na ɓangare na uku ba tare da ingantaccen tsarin haɗin gwiwa ba. Waɗannan iyawar siginar rarrabuwar kawuna-ba daidaitaccen haɗin kai ba.
Ga injiniyoyin da ke samar da abubuwan simintin nauyi a yau, shawarar ba ta kai farashin kilogiram ɗaya ba. Yana da kusan jimlar farashin mallaka: ƙarancin sake yin aiki, saurin hawan NPI, da gazawar filin sifili akan ɓangarorin da ke ci gaba da tafiyar da famfo, rufe bawul, da ababen hawa suna aiki a cikin matsanancin yanayi. Wannan amincin yana farawa da a masana'anta simintin nauyi wanda ke kula da kowane zuba kamar gwajin sarrafawa-da kowane abokin ciniki zane kamar ƙayyadaddun aiki.
